Flood Alert Info - North Cornwall Coast from Lands End to Chapel Porth

Area Description

Lands End to Chapel Porth including Sennen, St Ives, Carbis Bay, Lelant, Portreath and Porthtowan.
This is a Flood Alert Area. For this area the highest level of flood notification that you will receive is a Flood Alert. No Flood Warnings or Severe Flood Warnings are issued for this area.
Get a Flood Insurance Quote
for your Home or Business
There are no Flood Alerts currently in force for this area. See below for historical flood warnings.

Area Covered by this Flood Alert

The orange highlighted area on the map below outlines the area covered by this Flood Alert.
Download the Flood Assist App
Download the Flood Assist App to view current flood warnings, check your flood risk, and create your digital flood action plan.
Sign up for Live Flood Warnings & Alerts
Sign up to receive live flood warning and alert updates for your location using data from the Environment Agency, SEPA and NRW.

Flood Alert History

Number of historic Flood Alerts that have previously been recorded for this area:
Flood Insurance for homes & businesses in the St. Ives area

Historical Flood Alert Messages for this Area


Flood Alert issued on 12 Feb 2020 12:19
North Cornwall Coast
Flooding is possible over the high tide on Thursday morning 13th February. High water at St Ives on Thursday morning is 08:00am. Times of high water will vary along the coast. Water levels are forecast to be higher than during the recent high tides associated with Storm Ciara, therefore increased flood impacts are likely. Flood warnings will be in force for areas most at risk, where we expect property flooding. Force 7 to 9 west south westerly winds and large waves are forecast to cause wave overtopping of sea defences and sea spray in exposed coastal locations. Expect tides to be higher than predicted due to weather conditions. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and will update this flood alert information on Thursday morning, or if the situation changes.


Flood Alert issued on 10 Feb 2020 10:54
North Cornwall Coast
Flooding is possible over the evening tide on Monday the 10th of February and the morning tide on Tuesday the 11th of February. High water at St Ives on Monday evening is at 18:06 and on Tuesday morning at 06:26. Times of high water will vary along the coast. Tide levels are now rising towards spring tides which peak on Wednesday 12th February. High tide levels, along with strong winds generating large waves and some surge may be enough to cause some localised coastal flooding. The current forecast conditions, associated with storm Ciara, could result in wave overtopping of sea defences and sea spray in exposed coastal locations. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 8 Feb 2020 10:42
North Cornwall Coast
Flooding is possible for all high tides from the morning of Sunday 9th February until the morning of Tuesday 11th February. High water at St Ives on Sunday is at 04:56 and 17:21, Monday at 05:40 and 18:06 and Tuesday at 06:26. Times of high water will vary along the coast. Tide levels are now rising towards spring tides which peak on Wednesday 12th February. High tide levels, along with strong winds generating large waves and some surge may be enough to cause some localised coastal flooding. The current forecast conditions, associated with storm Ciara, could result in wave overtopping of sea defences and sea spray in exposed coastal locations. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 7 Feb 2020 15:52
North Cornwall Coast
Flooding is possible for all high tides from the morning of Sunday 9th February until the morning of Tuesday 11th February. High water at St Ives on Sunday is at 04:56 and 17:21, Monday at 05:40 and 18:06 and Tuesday at 06:26. Times of high water will vary along the coast. Tide levels are now rising towards spring tides which peak on Wednesday 12th February. High tide levels, along with strong winds generating large waves and some surge may be enough to cause some localised coastal flooding. The current forecast conditions, associated with storm Ciara, could result in wave overtopping of sea defences and sea spray in exposed coastal locations. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 13 Dec 2019 11:09
North Cornwall Coast
Flooding is possible over the high tide on Saturday morning. High water at St Ives is at 6.02am, times of high water will vary along the coast. Gale Force 8 Westerly winds and offshore wave heights of over 5.5m are forecast to cause wave overtopping of sea defences and sea spray in exposed coastal locations including St Ives Harbour, Portreath Harbour and the Causeway at Hayle. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required. Detailed tidal information for those who use it: the forecast high tide level at St Ives is 3.43m AOD.


Flood Alert issued on 12 Dec 2019 11:09
North Cornwall Coast
Flooding is possible over the high tide on Friday morning. High water at St Ives is at 5.52am, times of high water will vary along the coast. Gale Force 8 West-North-Westerly winds and offshore wave heights of over 6.5m are forecast to cause wave overtopping of sea defences and sea spray in exposed coastal locations including St Ives Harbour, Portreath Harbour and the Causeway at Hayle. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required. Detailed tidal information for those who use it: the forecast high tide level at St Ives is 3.19m AOD.


Flood Alert issued on 26 Nov 2019 11:05
North Cornwall Coast
Flooding is possible over the high tide on Tuesday afternoon on the 26th November and Wednesday morning on the 27th. High water at St Ives on Tuesday is at 16:42 and 05:03 on Wednesday. Times of high water will vary along the coast. Tide levels are now rising towards spring tides which peak on Wednesday. High tide levels, along with strong winds generating large waves and some surge may be enough to cause some localised coastal flooding. The current forecast conditions, associated with ex-storm Sebastian, could result in wave overtopping of sea defences and sea spray in exposed coastal locations. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 1 Nov 2019 12:27
North Cornwall Coast
Flooding is possible over the high tide on Saturday morning. High water at St Ives is at 8:12, times of high water will vary along the coast. High tides together with strong Force 9 westerly winds and large waves in the excess of 8m are forecast. This combined with a large surge will lead to higher than predicted tide levels. This may cause wave overtopping of sea defences and sea spray in exposed coastal locations. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 28 Oct 2019 12:22
North Cornwall Coast
Flooding is possible over the high tide on Monday evening. High water at St Ives is at 17:02, times of high water will vary along the coast. High astronomical tides together with Force 6 easterly winds are forecast and may cause wave overtopping of sea defences and sea spray in exposed coastal locations. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required. Detailed tidal information for those who use it; The forecast high tide level at Newlyn is 3.01 mAOD, this is 0.06m above astronomical tide level.


Flood Alert issued on 1 Oct 2019 10:56
North Cornwall Coast
Flooding is possible over this evenings high tide, Tuesday 1 October due to high astronomical tides. The time of high water at Newlyn is at 7:25 pm. Times of high water will vary along the coast. Winds are veering Force 6 north westerly. With onshore winds, some wave overtopping of sea defences and sea spray in exposed coastal locations is likely. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required. Detailed tidal information for those who use it; The forecast high tide level at Newlyn is 3.02mAOD, this is 0.13 metres above astronomical tide level.


Flood Alert issued on 30 Sep 2019 09:24
North Cornwall Coast
Flooding continues to be possible over all high tides from the evening of Monday 30 September through to and including the evening tide on Tuesday 1 October. High water for Monday at Newlyn is at 6:44 pm. Times of high water will vary along the coast. High astronomical tides together with strong Force 5 West South Westerly winds are forecast to cause wave overtopping of sea defences and sea spray in exposed coastal locations. Due to the forecast conditions we will be issuing Flood Warnings for this evenings tide, Monday 30 September. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 29 Sep 2019 12:43
North Cornwall Coast
Flooding is possible over all high tides from Sunday evening through to and including Tuesday evening. High water for Sunday at Illfracombe is at 19:24, times of high water will vary along the coast. High astronomical tides together with strong Force 5 winds are forecast to cause wave overtopping of sea defences and sea spray in exposed coastal locations. Due to the forecast conditions we expect to be issuing Flood Warnings on Monday. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 27 Sep 2019 17:30
North Cornwall Coast
Flooding is possible over all high tides from Saturday evening through to and including Tuesday evening. High water for Saturday at Illfracombe is at 18:39, times of high water will vary along the coast. High astronomical tides together with strong Force 7 winds are forecast to cause wave overtopping of sea defences and sea spray in exposed coastal locations. Due to the forecast conditions we expect to be issuing Flood Warnings over the weekend People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 30 Aug 2019 13:11
North Cornwall Coast
Flooding is possible over the weekend high tides. Flood Alert criteria is met for the highest tide on the evening of Sunday 1st September. Times of high water will vary along the coast. Force 5 North Westerly winds are forecast to cause sea spray in exposed coastal locations including St Ives Harbour, Portreath Harbour and the Causeway at Hayle. With only small to moderate wave heights expected, these impacts are expected to be minor. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 21 Mar 2019 12:18
North Cornwall Coast
Flooding is possible over the high tide on Friday morning. High water at St. Ives is at 05:50, times of high water will vary along the coast. Due to high spring tides, tidal alerts are required. The forecast is for slight winds, Force 3 southerly, and small offshore wave heights of 1.2m. Flooding impacts are expected to be confined to minor overtopping of quaysides at locations such as St Ives Harbour, Portreath Harbour and the Causeway at Hayle. Expect tides to be around 150mm lower than predicted due to weather conditions. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required. Detailed tidal information for those who use it; the forecast high tide level at St. Ives is 3.78 mAOD, this is 0.15 metres below astronomical tide level.


Flood Alert issued on 10 Mar 2019 06:00
North Cornwall Coast
Flooding is possible over the high tide this morning, Sunday. High water at St Ives is at 7.10am, times of high water will vary along the coast. Gale force 8 to severe gale force 9 west north westerly winds and offshore wave heights of 5.7m are forecast to cause wave overtopping of sea defences and sea spray in exposed coastal locations including St Ives Harbour, Portreath Harbour and the Causeway at Hayle. Due to worse than expected conditions, tides could be around 400mm higher than predicted. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required. Detailed tidal information for those who use it; The forecast high tide level at St Ives is 2.93 mAOD but is expected to be higher due to the conditions.


Flood Alert issued on 21 Feb 2019 11:40
North Cornwall Coast
Flooding is possible for tonight’s high tide and tomorrow morning’s high tide. The time of the high tide at St Ives on Thursday 21st February is 18:35. The time of the high tide at St Ives on Friday 22nd February is 06:56. High spring tides, large waves and strong winds have been forecast during this time. The largest waves are expected on Friday morning. Peak wave heights expected at St Ives this time are 3.9m. Force 5, south-south-easterly winds are forecast. Wave overtopping of sea defences and sea spray is possible at exposed coastal locations including St Ives Harbour, Portreath Harbour and the Causeway at Hayle. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 19 Feb 2019 11:12
North Cornwall Coast
Flooding is possible for ALL high tides from Wednesday morning to Friday evening inclusive. Times of high water will vary along the coast. This sequence of Flood Alerts has been issued due to exceptionally high Spring Tides combined with large waves. The largest waves are expected on Friday. Tides may be marginally higher than predicted due to local weather conditions. Wave impacts are possible at exposed coastal locations including St Ives Harbour, Portreath Harbour and the Causeway at Hayle. Winds are generally expected from a Southerly direction and to remain below Force 6. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 7 Feb 2019 11:23
North Cornwall Coast
Flooding is possible over the morning high tide of Friday 8th February. High water at St Ives is at 07:05am, times of high water will vary along the coast. Strong Force 7 south-south westerly winds and offshore wave heights of up to 5.0m are forecast, which may cause wave overtopping of sea defences and sea spray in exposed coastal locations. Quay edges and low lying car parks and roads are likely to be affected. Tides may be up to 300mm higher than predicted due to weather conditions. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required. Detailed tidal information for those who use it; the forecast high tide level is 3.25mAOD, this is 0.24 metres above astronomical tide level.


Flood Alert issued on 8 Dec 2018 10:06
North Cornwall Coast
Flooding is possible over the afternoon high tide on the evening tide of Saturday 8th December and the morning tide of Sunday 9th December. High water at St Ives is at 5.40pm and 5.58am, times of high water will vary along the coast. Gale Force 8 West North Westerly winds and offshore wave heights of up to 7m are forecast to cause wave overtopping of sea defences and sea spray in exposed coastal locations. Quay edges and low lying car parks and roads are likely to flood. Locations of particular risk include St Ives Harbour and Portreath. Tides are forecast to be 100 to 200 mm higher than predicted. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 7 Dec 2018 14:31
North Cornwall Coast
Flooding is possible over the afternoon high tide on Friday 7th December. High water at St Ives is at 5.04pm, times of high water will vary along the coast. Strong Force 8 south westerly winds and offshore wave heights of up to 5.8m are forecast to cause wave overtopping of sea defences and sea spray in exposed coastal locations. Quay edges and low lying car parks and roads are likely to flood. Locations of particular risk include St Ives Harbour and Portreath. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 10 Oct 2018 11:57
North Cornwall Coast
Flooding is possible over the high tide on Wednesday evening. High water at St Ives is at 18:46, times of high water will vary along the coast. Forecast elevated water levels may cause flooding to the edges of quays and any low lying car parks and roads with particular emphasis on St Ives and Portreath. Expect tides to be around 150mm higher than predicted, due to weather conditions. The forecast wind speed over the peak tide is south easterly force 5. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. Sea levels are set to peak on Wednesday afternoon, however large waves and strong winds are expected from Thursday morning. We will continue to monitor the situation and issue updates as required. Detailed tidal information for those who use it; The forecast high tide level at St Ives is 3.87mAOD, this is 0.15 metres above astronomical tide level.


Flood Alert issued on 3 Mar 2018 13:02
North Cornwall Coast
Flooding is possible over the high tide on Sunday morning (4th March). High water at St Ives is at 6:30am, times of high water will vary along the coast. High spring tides combined with small waves and light winds may cause overtopping of sea defences in coastal locations including St Ives Harbour, Portreath Harbour, and the Causeway at Hayle. With Met Office warnings of ice and snow people are advised to stay away from risk areas and take extra care next to the coast in freezing conditions. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and may issue further Flood Alerts over the weekend. Detailed tidal information for those who use it; The forecast high tide level at St Ives is 3.74mAOD, this is 0.27m above astronomical tide level, with Force 6 South South Easterly winds and offshore wave heights of 2.3m.


Flood Alert issued on 2 Mar 2018 12:55
North Cornwall Coast
Flooding is possible over the high tide on Saturday morning (3rd March). High water at St Ives is at 6:00am; times of high water will vary along the coast. High spring tides combined with small waves and light winds may cause overtopping of sea defences in exposed coastal locations including St Ives Harbour, Portreath Harbour and the Causeway at Hayle. With Met Office warnings of ice and snow people are advised to stay away from risk areas and take extra care next to the coast in freezing conditions. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and may issue further Flood Alerts over the weekend. Detailed tidal information for those who use it; The forecast high tide level at St Ives is 4.00mAOD, this is 0.27 metres above astronomical tide level with Force 3 SW winds and offshore wave heights of 1.7m.


Flood Alert issued on 16 Jan 2018 18:53
North Cornwall Coast
Flooding is possible over the high tide on Wednesday Morning. High water at St Ives is at 04:45, times of high water will vary along the coast. Gale force 8 West North Westerly winds and offshore wave heights of over 8.5m are forecast to cause wave overtopping of sea defences and sea spray in exposed coastal locations including St Ives Harbour, Portreath Harbour and the Causeway at Hayle, so take care near coastal paths and promenades. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required.


Flood Alert issued on 4 Jan 2018 14:48
North Cornwall Coast
Flooding is expected over high tide on the evening of Thursday 4th and morning of Friday 5th January. Large waves and strong winds combined with high tides mean conditions will be hazardous in exposed locations The time of high tide at St Ives is 18:51 this evening and 07:13 tomorrow morning. Force 7 Westerly winds are forecast with offshore wave heights of 6m This may cause wave overtopping of sea defences and sea spray in exposed coastal areas leading to localised flooding to properties and standing water on coastal roads. Locations particularly at risk include St Ives, Hayle Causeway and Portreath. There is an increased risk of flooding at Portreath due to damage to the harbour wall, a flood warning has been issued for this location. Take care near the coast, do not drive through flood water or waves. Keep up to date with weather and tide conditions on local radio. EA staff are checking flood defences are in working order and are monitoring conditions.


Flood Alert issued on 3 Jan 2018 14:37
North Cornwall Coast
Flooding is possible over high tide on Wednesday evening (3rd January) and Thursday morning (4th January) Large waves and strong winds combined with high tides mean conditions will be hazardous in exposed locations The time of high tide at St Ives is 18:01 this evening and 06:24 tomorrow morning. Force 6 West South Westerly winds are forecast, with offshore wave heights of up to 6m. This may cause wave overtopping of sea defences and sea spray in exposed coastal areas. Locations at risk include quays and low lying car parks at St Ives and Portreath. People are advised to stay away from risk areas and take care near the coast. Keep up to date with weather and tide conditions on local radio. EA staff are checking flood defences are in working order and are monitoring conditions. Following recent tides and damage experienced at St Ives and Portreath a precautionary Flood warning is also in force for these areas Conditions are due to remain unsettled


Flood Alert issued on 2 Jan 2018 12:10
North Cornwall Coast
Flooding is possible over high tide on Tuesday evening (2nd January) and Wednesday morning (3rd January) Large waves and strong winds combined with high tides mean conditions will be hazardous in exposed locations. The time of high tide at St Ives is 17:13 this evening and 05:34 tomorrow morning. Strong Force 8 West to South Westerly winds are forecast. 4 m Offshore wave heights are forecast this evening, increasing to around 10m overnight. This may cause wave overtopping of sea defences and sea spray in exposed coastal areas. Locations at risk include quays and low lying car parks at St Ives and Portreath. People are advised to stay away from risk areas and take care near the coast. Keep up to date with weather and tide conditions on local radio. EA staff are checking flood defences are in working order and are monitoring conditions. A Flood warning will also be in force for Wednesday mornings tide. Conditions are due to remain unsettled


Flood Alert issued on 1 Jan 2018 15:35
North Cornwall Coast
Flooding is possible over the high tide this evening Monday 1st January Large, high energy waves and strong winds will combine with high tide to make conditions hazardous particularly in exposed coastal locations The time of high tide at St Ives is 16:30. Strong Force 8 West North westerly winds and offshore wave heights of 6 m are forecast which may cause wave overtopping of sea defences and sea spray in exposed coastal areas. Locations at risk include quays and low lying car parks at St Ives and Portreath. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. Environment Agency officers are on the ground checking the flood defences are in good working order and monitoring sea levels We will be issuing further Flood Alerts from Tuesday as spring tides increase this week. Larger impacts are expected on Wednesday with larger waves and stronger winds forecast. .


Flood Alert issued on 20 Oct 2017 12:23
North Cornwall Coast
Flooding is possible over the morning and evening high tides on Saturday 21st October. High water times at St Ives are at 6.38am and 6.54pm. Force 8 West South Westerly winds and wave heights of 8.1m are expected, which may cause wave overtopping of sea defences and sea spray in exposed coastal areas. Locations at risk include quays and low lying car parks at St Ives and Portreath. People are advised to stay away from risk areas and take care by the coast. Keep up to date with weather and tide conditions on local radio. We will continue monitoring the situation. Detailed tidal information; The forecast high tide level at Newlyn is 2.75 mAOD for Saturday morning including a 0.2m level surge, and 2.37mAOD for Saturday evening.


Flood Alert issued on 19 Oct 2017 15:06
North Cornwall Coast
Flooding is possible over the high tide this evening, Thursday 19th October, High water at St Ives is at 17.48pm this evening. Times of high water will vary along the coast. Strong force 7 west south westerly winds and offshore wave heights of 3.8m are forecast to cause wave overtopping of sea defences and sea spray in exposed coastal areas. Locations at risk include quays and low lying car parks at St Ives and Portreath. People are advised to stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation. The forecast high tide level at Newlyn this evening is 2.79 mAOD, 0.23 metres above astronomical tide level. We will also be issuing Flood Alerts for Friday evening and Saturday morning, tomorrow. Larger impacts are expected on Saturday with larger waves and stronger winds forecast


Flood Alert issued on 16 Oct 2017 11:26
North Cornwall Coast
Hazardous conditions are expected along the coast over the high tide on Monday afternoon, with exceptionally large and high energy waves combining with 60 to 70 miles per hour winds. The time of high tide at St Ives on Monday afternoon is 15:50 (local time). Overtopping is possible at exposed coastal locations, especially along the edges of quays and sea walls. Whilst extensive flooding or inundation is unlikely, some isolated property flooding is possible. The public are advised to take care in high winds, to stay away from exposed coastal areas, and follow any instructions from the emergency services. We are expecting to issue further coastal Flood Alerts during this week as astronomical tide levels increase, and the unsettled weather persists.


Flood Alert issued on 10 Sep 2017 11:36
North Cornwall Coast
Flooding is possible over the high tide on Sunday evening. High water at St Ives is at 8:46pm, times of high water will vary along the coast. Strong force 7 west north westerly winds and large offshore waves of around 5m are forecast, which may lead to wave overtopping and sea spray in exposed locations. Low lying land and edges of quays may be affected at locations including Portreath and St Ives Expect tides to be around 200 mm higher than predicted due to weather conditions. The tide height on Monday morning will be lower but strong winds and large waves still pose a risk at exposed coastal locations. Stay away from risk areas and take care next to the coast. Keep up to date with weather and tide conditions on local radio. We will continue to monitor the situation and issue updates as required. Detailed tidal information for those who use it; The forecast high tide level at St Ives is 3.41 mAOD, this is 0.2 metres above astronomical tide level.