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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 6 am Saturday 16 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
13.0° C
(Which is 1.7°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 11AM is: 0.4m 5s primary swell from a West-southwest direction and 0.2m 8s secondary swell from a West direction (forecast issued at 06:00am May 16). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 1.5ft (0.4m) | 5s |
| Afternoon (16 May) | 2ft (0.6m) | 4s |
| Evening (16 May) | 3ft (0.9m) | 5s |
Table - waves today at Caswell Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Mon night. Very mild (max 13°C on Mon night, min 8°C on Sat night). Winds decreasing (fresh winds from the W on Sun afternoon, light winds from the W by Sun night). | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 5 | WSW 5 | WSW 5 | W 5 | WSW 4 | WSW 5 | W 5 | W 6 | W 7 | W 7 | W 7 | WSW 6 | W 12 | W 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | |
8 | 7 | 7 | 13 | 18 | 32 | 55 | 82 | 130 | 107 | 107 | 134 | 136 | 154 | 205 | 157 | 139 | 143 | 143 | 99 | 79 | 70 | 60 | 56 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | on | cross-on | cross-on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross | cross-on | |
High Tide | 6:26AM9.34m | 6:49PM9.41m | 7:15AM9.52m | 7:36PM9.58m | 8:03AM9.54m | 8:22PM9.58m | ||||||||||||||||||
Low Tide | 12:31PM1.12m | 00:53AM1.10m | 1:17PM1.01m | 1:40AM1.02m | 2:03PM1.05m | |||||||||||||||||||
 |  |  | | |  |  | |  | | |  | | |  | | | |  | | | | | | |
 | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | 5:18 |
 | — | — | — | — | — | 9:01 | — | — | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:05 | — | 9:06 |
— | — | 1 | 1 | — | — | 1 | — | — | — | — | 1 | 1 | — | 1 | 2 | 2 | 1 | — | — | — | — | 1 | 2 | |
Temp °C | 10 | 9 | 10 | 11 | 12 | 11 | 11 | 10 | 8 | 9 | 10 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 12 | 12 | 11 | 11 |
9 | 7 | 8 | 7 | 7 | 7 | 7 | 5 | 4 | 5 | 4 | 5 | 2 | 3 | 3 | 3 | 5 | 7 | 8 | 7 | 8 | 9 | 6 | 5 | |
Swell 1 Height (m) Direction Period (s) | W 5 | WSW 5 | WSW 5 | W 7 | W 9 | W 14 | W 14 | W 13 | W 13 | W 7 | WSW 12 | W 12 | W 12 | W 12 | W 11 | WSW 7 | WSW 11 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 10 | WSW 6 | WSW 6 |
 kJ | 8 | 7 | 7 | 4 | 2 | 4 | 4 | 4 | 14 | 107 | 29 | 72 | 136 | 132 | 92 | 157 | 40 | 143 | 143 | 99 | 79 | 19 | 60 | 56 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 8 | W 7 | W 9 | W 13 | — | — | — | SW 13 | WSW 13 | W 15 | — | — | — | W 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | W 10 | WSW 10 | WSW 10 | WSW 10 | W 10 |
| kJ | 6 | 5 | 4 | 2 | 3 | — | — | — | 7 | 17 | 4 | — | — | — | 67 | 42 | 24 | 41 | 23 | 8 | 21 | 19 | 19 | 8 |
Swell 3 Height (m) Direction Period (s) | SW 13 | W 9 | W 9 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | — | — | — | — |
| kJ | 7 | 2 | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | W 5 | WSW 4 | WSW 5 | W 5 | W 6 | W 7 | — | W 7 | WSW 6 | WSW 6 | W 6 | WSW 6 | — | WSW 7 | — | — | — | — | WSW 7 | — | SSE 4 |
| kJ | — | — | — | 13 | 18 | 32 | 55 | 82 | 130 | — | 107 | 134 | 109 | 154 | 205 | — | 139 | — | — | — | — | 70 | — | 13 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 349 | 320 | 320 | 349 | 349 | 349 | 352 | 361 | 152 | 1 | 275 | 352 | 365 | 365 | 320 | 81 | 47 | 2 | 40 | 133 | 111 | 68 | 385 | 111 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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