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Crab Island Surf Forecast
/ Wales – Gower (29 surf breaks) /
Surf Forecasts:
Crab Island surfForecast / Wales – Gower / UK
48hr Weather and Surf, issued 12 pm Monday 18 May 2026 BSTForecast update in hr min s Forecast update imminent
Crab Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Crab Island sea temperature is
12.8° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Crab Island today?
The current surf forecast for Crab Island at 7PM is: 1.3m 7s primary swell from a West-southwest direction and 0.3m 10s secondary swell from a West-southwest direction (forecast issued at 12:00pm May 18). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6ft (1.8m) | 7s |
| Afternoon (18 May) | 5ft (1.6m) | 7s |
| Evening (18 May) | 4ft (1.2m) | 6s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 22mm), heaviest during Mon morning. Very mild (max 14°C on Wed afternoon, min 10°C on Mon morning). Winds decreasing (strong winds from the SW on Tue night, light winds from the S by Wed night). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 6 | WSW 6 | SW 7 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | |
294 | 237 | 216 | 134 | 116 | 126 | 233 | 320 | 355 | 485 | 587 | 717 | 932 | 1118 | 1208 | 2598 | 2053 | 1872 | 1514 | 1246 | 905 | 713 | 623 | 541 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | |
High Tide | 8:03AM9.54m | 8:22PM9.58m | 8:51AM9.39m | 9:10PM9.41m | 9:40AM9.09m | 9:59PM9.09m | ||||||||||||||||||
Low Tide | 2:03PM1.05m | 2:28AM1.10m | 2:49PM1.23m | 3:17AM1.32m | 3:37PM1.56m | 4:09AM1.67m | ||||||||||||||||||
 | | | |  | | | | | | |  | | |  |  |  |  | | |  |  | | | |
 | 5:20 | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — |
 | — | — | — | 9:05 | — | — | — | — | — | — | — | 9:06 | — | — | — | — | — | — | — | 9:07 | — | — | — | 9:08 |
3 | 2 | 1 | 1 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 11 | 11 | 11 | 11 | 11 | 13 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 14 |
4 | 4 | 6 | 6 | 5 | 4 | 8 | 7 | 7 | 6 | 6 | 4 | 3 | 4 | 6 | 6 | 7 | 8 | 8 | 10 | 11 | 11 | 10 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 10 | WSW 7 | WSW 10 | WSW 6 | W 19 | W 19 | — | W 15 | W 15 | — | WSW 17 | — | — | WSW 14 | — | — | — | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
 kJ | 39 | 38 | 2 | 134 | 19 | 126 | 7 | 7 | — | 4 | 4 | — | 58 | — | — | 2310 | — | — | — | 1211 | 905 | 713 | 623 | 541 |
Swell 2 Height (m) Direction Period (s) | — | — | W 11 | WSW 10 | WSW 10 | — | — | — | — | — | — | — | W 13 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 21 | 19 | 10 | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | — | SW 6 | S 4 | SW 7 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | — | — | — | — |
| kJ | 294 | 237 | 216 | — | 116 | 14 | 233 | 320 | 355 | 485 | 587 | 717 | 932 | 1118 | 1208 | 2598 | 2053 | 1872 | 1514 | 1246 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 148 | 308 | 253 | 251 | 273 | 420 | 427 | 432 | 450 | 437 | 437 | 386 | 361 | 361 | 320 | 320 | 320 | 416 | 344 | 133 | 39 | 68 | 68 | 39 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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