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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 6 pm Sunday 17 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
12.9° C
(Which is 1.5°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 2AM is: 1.6m 7s primary swell from a West-southwest direction and 0.5m 12s secondary swell from a West direction, 0.4m 12s secondary swell from a West-southwest direction (forecast issued at 06:00pm May 17). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6ft (1.8m) | 7s |
| Afternoon (18 May) | 5ft (1.5m) | 7s |
| Evening (18 May) | 3.5ft (1.1m) | 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 35mm), heaviest during Tue night. Very mild (max 13°C on Mon night, min 9°C on Sun night). Winds increasing (moderate winds from the WSW on Mon morning, strong winds from the SW by Tue night). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 12 | WSW 6 | W 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | SW 7 | SW 7 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 14 | WSW 13 | WSW 13 | |
108 | 135 | 171 | 247 | 310 | 328 | 328 | 247 | 181 | 117 | 94 | 100 | 189 | 242 | 313 | 519 | 666 | 753 | 1068 | 1045 | 1146 | 2635 | 2310 | 1901 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | |
High Tide | 7:36PM9.58m | 8:03AM9.54m | 8:22PM9.58m | 8:51AM9.39m | 9:10PM9.41m | 9:40AM9.09m | ||||||||||||||||||
Low Tide | 1:17PM1.01m | 1:40AM1.02m | 2:03PM1.05m | 2:28AM1.10m | 2:49PM1.23m | 3:17AM1.32m | ||||||||||||||||||
 |  |  | | | | | | | | | | | | |  | |  | | |  | | | | |
 | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — |
 | — | 9:02 | — | — | — | — | — | — | — | 9:05 | — | — | — | — | — | — | — | 9:06 | — | — | — | — | — | 9:07 |
— | 1 | 1 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 2 | 4 | 3 | 1 | 1 | 1 | 1 | — | 1 | 5 | — | 1 | — | — | |
Temp °C | 11 | 10 | 10 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 13 |
4 | 4 | 4 | 2 | 5 | 4 | 5 | 5 | 5 | 6 | 6 | 5 | 6 | 7 | 6 | 6 | 6 | 6 | 4 | 4 | 6 | 6 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | W 11 | W 11 | W 12 | W 12 | W 11 | — | W 10 | WSW 10 | WSW 6 | WSW 6 | SW 7 | W 19 | W 15 | — | — | — | — | W 16 | WSW 15 | WSW 14 | — | — |
 kJ | 102 | 132 | 64 | 63 | 46 | 25 | 23 | — | 2 | 19 | 94 | 100 | 189 | 7 | 4 | — | — | — | — | 134 | 395 | 2343 | — | — |
Swell 2 Height (m) Direction Period (s) | W 9 | — | W 12 | WSW 11 | WSW 12 | — | — | — | — | WSW 10 | WSW 10 | W 10 | W 19 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 23 | — | 67 | 43 | 46 | — | — | — | — | 10 | 19 | 2 | 7 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | W 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | — | S 4 | SE 3 | SW 7 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 14 | WSW 13 | WSW 13 |
| kJ | 108 | 135 | 171 | 247 | 310 | 328 | 328 | 247 | 181 | 117 | — | 12 | 2 | 242 | 313 | 519 | 666 | 753 | 1068 | 1045 | 1146 | 2635 | 2310 | 1901 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 364 | 364 | 364 | 364 | 144 | 139 | 139 | 133 | 112 | 273 | 273 | 398 | 396 | 68 | 433 | 361 | 393 | 364 | 393 | 361 | 440 | 441 | 320 | 320 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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