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Caswell Bay Surf Forecast
/ Wales – Gower (29 surf breaks) /
Surf Forecasts:
Caswell Bay surfForecast / Wales – Gower / UK
48hr Weather and Surf, issued 12 pm Monday 11 May 2026 BSTForecast update in hr min s Forecast update imminent
Caswell Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Caswell Bay sea temperature is
12.9° C
(Which is 2.0°C warmer than normal for this time of year)How big are the waves at Caswell Bay today?
The current surf forecast for Caswell Bay at 9PM is: 0.1m 8s primary swell from a Southwest direction (forecast issued at 12:00pm May 11). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 0.5ft (0.1m) | 10s |
| Afternoon (11 May) | 2ft (0.6m) | 4s |
| Evening (11 May) | 0.5ft (0.1m) | 8s |
Table - waves today at Caswell Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Mon morning. Very mild (max 13°C on Tue afternoon, min 7°C on Mon night). Winds increasing (light winds from the WNW on Mon night, strong winds from the WNW by Wed morning). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 10 | NW 4 | NW 4 | NW 4 | SW 8 | W 19 | W 19 | W 19 | W 19 | W 4 | W 4 | W 4 | W 4 | W 5 | W 5 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | WNW 7 | W 7 | WNW 7 | |
3 | 8 | 10 | 11 | 3 | 7 | 7 | 7 | 7 | 13 | 12 | 12 | 12 | 52 | 112 | 197 | 293 | 378 | 348 | 311 | 176 | 219 | 139 | 206 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-off | cross-off | |
High Tide | 2:14PM7.13m | 2:52AM7.57m | 3:24PM7.57m | 3:53AM8.07m | 4:22PM8.12m | 4:47AM8.58m | ||||||||||||||||||
Low Tide | 8:00AM3.18m | 8:33PM3.24m | 9:09AM2.76m | 9:38PM2.73m | 10:06AM2.24m | 10:31PM2.18m | ||||||||||||||||||
 |  |  | |  | |  | | |  | | | | | | | | | | | | | | | |
 | 5:31 | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — |
 | — | — | — | 8:53 | — | — | — | — | — | — | — | 8:55 | — | — | — | — | — | — | — | 8:57 | — | — | — | 8:59 |
— | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | |
Temp °C | 11 | 11 | 12 | 12 | 9 | 8 | 7 | 8 | 10 | 12 | 13 | 12 | 11 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 9 | 9 | 9 | 9 |
6 | 5 | 6 | 7 | 4 | 4 | 3 | 5 | 5 | 7 | 7 | 7 | 6 | 2 | 1 | 1 | 0 | 3 | 3 | 4 | 1 | 1 | 1 | 2 | |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | WNW 4 | W 4 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | W 7 | SW 16 | W 7 | SW 16 |
 kJ | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 12 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 176 | 10 | 139 | 10 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | — | — | — | SW 9 | SW 9 | W 19 | W 19 | SW 18 | SW 18 | SW 18 | SW 8 | SW 8 | — | — | — | — | — | — | SW 16 | — | SW 16 | SW 16 |
| kJ | 2 | 2 | — | — | — | 3 | 3 | 7 | 7 | 13 | 12 | 12 | 3 | 3 | — | — | — | — | — | — | 10 | — | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 19 | W 19 | — | — | — | — | W 13 | W 13 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 7 | 7 | — | — | — | — | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 3 | NW 4 | NW 4 | NW 4 | NW 4 | NNW 3 | NNW 3 | WNW 4 | WNW 3 | W 4 | W 4 | W 4 | W 4 | W 5 | W 5 | W 6 | W 6 | W 7 | W 7 | W 7 | NNW 4 | WNW 7 | NNW 5 | WNW 7 |
| kJ | 6 | 8 | 10 | 11 | 12 | 2 | 1 | 2 | 1 | 9 | 11 | 12 | 8 | 52 | 112 | 197 | 293 | 378 | 348 | 311 | 34 | 219 | 37 | 206 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 399 | 392 | 413 | 421 | 317 | 201 | 222 | 230 | 379 | 205 | 899 | 419 | 352 | 352 | 368 | 387 | 784 | 906 | 904 | 1217 | 894 | 431 | 598 | 598 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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