Flood Alert Info - Swansea Bay and the Gower coast

Area Description

Swansea Bay and the Gower peninsula coast between Pontardulais and Llantwit Major, but excluding Crofty.
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.
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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.
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Flood Alert History

Number of historic Flood Alerts that have previously been recorded for this area:
We can provide a Flood Insurance Quote for properties in the Shepton Mallet area

Historical Flood Alert Messages for this Area

  • We have only been collating detailed flood messages since May 2017.
  • Each Flood Alert may have multiple updates. The messages listed below may therefore be greater than the number of alerts detailed in the Flood Alert table above.

Flood Alert issued on 18 Sep 2020 15:05
South West
High tides are predicted over the next few days from Friday 18th September evening's tide to Sunday 20th September evening's tide. The wind is forecast to be force 3 - 4 on beaufort scale from a north easterly direction. Offshore waves are expected to be moderate. Be careful on beaches, promenades, coastal footpaths, roads, low lying land and areas close to estuaries. Be careful as sea spray and waves could be dangerous and could contain debris.


Flood Alert issued on 21 Aug 2020 15:30
South West
High tides are predicted over the weekend. The winds is forecast to be force 6 from a South Westerly direction. Offshore waves are expected to be moderate. Be careful on beaches, promenades, coastal footpaths, roads, low lying land, close to the estuary. Be careful as sea spray and waves could be dangerous and could contain debris.


Flood Alert issued on 20 Aug 2020 12:24
South West
High tides are predicted over the next few days from Thursday nights tide to Friday nights tide. The situation is improving into the weekend. The wind is forecast to be force 7-8 from a South Westerly direction. Offshore waves are expected to be large. Be careful on beaches, promenades, coastal footpaths, roads, low lying land, close to the estuary. Be careful as sea spray and waves could be dangerous and could contain debris.


Flood Alert issued on 19 Aug 2020 16:52
South West
High tides are predicted over the next few days from Wednesday 19th August to Sunday 23rd August. The peak of the tidal risk is likely to be in the evening of Thursday through to Friday. Tide levels will be high over the entire period on each high tide. The tidal situation is predicted to improve over the weekend. The winds are forecast to be force 4-5 through the period. The wind will be from a Southerly direction through the evening of Thursday. On Friday, the predicted wind direction is for South Westerly winds. On Saturday, the wind is from a Westerly direction. Offshore waves are expected to be moderate to large. Be careful on beaches, promenades, coastal footpaths, roads, low lying land, close to the estuary. Be careful as sea spray and waves could be dangerous and could contain debris, particularly in exposed locations. Please take additional care over the periods of high tides due to the risk of debris and wave overtopping at exposed locations.


Flood Alert issued on 9 Mar 2020 16:33
South West
High tides are predicted over the next few days until Friday 13th March 2020. The winds are forecast to be force 4 to 7 beaufort scale from a west south westerly direction. Offshore waves are expected to be large. Be careful on beaches, roads and low-lying land. Be careful as sea spray and waves could be dangerous and could contain debris.


Flood Alert issued on 12 Feb 2020 15:57
South West
The peak astronomical tide of the current series of large spring tides has now passed but a new Atlantic depression will produce a significant surge component for the morning tide on Thursday the 13th of February. The time of high-water on Thursday the 13th of February will be approximately 9:00 a.m. The wind is forecast to be force 5 and from a north-westerly direction. Offshore waves are expected to be moderate. Be careful on beaches, promenades, coastal footpaths, roads, low lying land close to estuaries. Be careful as sea spray and waves could be dangerous.


Flood Alert issued on 10 Feb 2020 15:04
South West
Following the passage of Storm Ciara, wind strengths, tidal surge and wave heights remain high but are generally dropping slowly for the peak of the Spring tides on Tuesday 11th and Wednesday 12th of February. However, impacts are still expected around the coast so please continue to avoid coastal areas at high tide. High water levels, sea spray and wave overtopping may still be possible at some locations. The weather patterns remain unsettled this week so we will continue to monitor the situation and will update this message as the situation changes.


Flood Alert issued on 8 Feb 2020 10:04
South West
Tides are rising towards a period of spring tides. In tide tables, these peak on Tuesday 11th and Wednesday 12th of February. Values in tide tables for Sunday are not especially large, however, they are forecast to coincide with storm Ciara; this storm is expected to create strong winds, tidal surge and large waves. Particularly during Sunday impacts are expected around the coast. Please avoid coastal areas at high tide as there could be dangerous conditions: strong winds; sea spray; and wave overtopping at the most exposed locations. Wave overtopping can be dangerous and can contain debris. Although the forecast currently highlights Sunday, impacts are likely to continue during high tides into Monday and for the remainder of next week with the unsettled weather conditions expected to continue. Will we continue to monitor the situation and update this message as required.


Flood Alert issued on 25 Nov 2019 14:55
South West
High tides are predicted from Monday evening the 25th of November, until Thursday morning the 28th of November. The highest tides in this period are currently expected to occur on Tuesday evening and Wednesday morning as tides coincide with a low-pressure weather system likely to generate moderate amounts of tidal surge and large offshore waves. Winds over this period will be changeable, on Tuesday winds are generally expected from a more southerly direction force 6 to 7, changing to a more northerly direction on Wednesday morning, force 5 to 6. Flooding of low-lying land and roads is possible over this period, especially on Tuesday evening and Wednesday morning. Extra care should be taken around the coast during periods of high tide, locations exposed to wave action may experience sea spray and wave overtopping; this water can be dangerous and may contain debris. We will continue to monitor the situation and will update this message if the situation changes.


Flood Alert issued on 27 Sep 2019 15:18
South West
High tides are predicted over the next few days from Friday 27th September 2019 until Wednesday 2nd October 2019. Tides are expected to peak on Sunday and Monday evenings tide, 7.79m in Milford Haven. The winds are forecast to be force 5 beaufort scale from a westerly direction. Offshore waves are expected to be large. Be careful on beaches, coastal footpaths, roads, and low lying land. Be careful as sea spray and waves could be dangerous and could contain debris. This message will be updated as the situation changes.


Flood Alert issued on 30 Aug 2019 14:41
South West
High tides are predicted over the weekend between Friday evening the 30th August and Monday morning 2nd September. The winds are forecast to be between force 4 and force 6 from a general westerly direction over the weekend. Offshore waves are expected to be moderate in size. Impacts are generally expected to be minor, with limited flooding to low-lying land in estuary locations potentially affecting some footpaths, roads and car parks. Small amounts of wave overtopping are expected at some of the more exposed locations mostly during Saturday. Caution should be undertaken around times of high tides. We will update this message if the situation changes.


Flood Alert issued on 21 Feb 2019 16:46
South West
This Flood Alert continues to be in force. High tides are predicted for tomorrow mornings high tide on the 22nd February 2019 at 08:15AM in Milford Haven. The wind is forecast to be force 4-5 from a south easterly direction. Offshore waves are expected to be moderate to large. Be careful on beaches, coastal footpaths, roads, and low-lying land. Be careful as sea spray and waves could be dangerous and could contain debris.


Flood Alert issued on 19 Feb 2019 15:58
South West
High tides are predicted over the next few days into the weekend. Winds over this period are generally forecast to be between force 5 to force 7 from a South-South Westerly direction. Offshore waves are likely to be moderate in size. High water levels are likely to be experienced at all locations around the coast, affecting low lying land and roads. At sites exposed to wave action minor wave and spray overtopping is possible. Be careful on beaches, promenades, coastal footpaths, roads, and low-lying land. We will update this message as the situation changes.


Flood Alert issued on 16 Apr 2018 11:43
South West
Over the next few days high tides are expected to coincide with tidal surge and moderate to large offshore waves. The greatest impacts are expected during the high tides on Tuesday 17th April, set to occur at approximately 8:00 AM and 8:15 PM at Mumbles, local time. The tide on Tuesday morning is expected to give the greatest impacts. Care should be taken at exposed locations around the coast such as sea front areas, roads adjacent to the sea and promenades. Wave overtopping is expected at some locations; this can be dangerous and may contain debris. The wind is forecast to be approximately force 7 from a south- south- westerly direction. Offshore waves are expected to be moderate to large.


Flood Alert issued on 31 Dec 2017 13:57
South West
High tides are predicted for the coming week between Sunday 31st December 2017 and Saturday 6th January 2018, with the highest tides around the mid-week period. The weather forecast for the week ahead indicates a spell of stormy weather with onshore gales at times. This will lead to large waves at the coast which will have the potential to create hazardous conditions at high tide. The situation will be constantly monitored by NRW and further updates issued as the week progresses.


Flood Alert issued on 6 Dec 2017 14:49
South West
High tides are predicted this evening Wednesday 6th December and again tomorrow morning Thursday 7th December 2017. Peak tides will occur at 1015pm at Mumbles today, and 0830am tomorrow. The wind is forecast to increase force 7 to gale 8 from the southwest this evening. Offshore waves are expected to be large. Be careful on beaches, promenades, coastal footpaths and roads. Be careful as the waves could be dangerous and may contain debris.


Flood Alert issued on 20 Oct 2017 10:51
South West
High tides are predicted over the weekend, with the worst conditions expected to occur on Saturday morning when large waves are predicted along with a large storm surge. Winds are forecast to increase to Force 8 from a South Westerly direction overnight on Friday and veer Westerly and remain strong throughout Saturday. Offshore waves are expected to increase overnight Friday and remain very large throughout Saturday. Be careful on beaches, promenades, coastal footpaths, roads and low lying land, where coastal flooding is possible. Be careful as sea spray and waves could be dangerous and could contain debris.


Flood Alert issued on 16 Oct 2017 11:41
South West
High tides are predicted for this afternoon's tides, October 16th 2017. The winds are forecast to be gale force 9 from a south westerly direction. Offshore waves are expected to be very large. Be careful on beaches, promenades, coastal footpaths, roads, close to the seafront. The combination of large waves and high winds could result in damage to exposed stretches of the coastline. Be careful as sea spray and waves could be dangerous, and could contain debris.