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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 am 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
13.0° C
(Which is 1.7°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 6AM is: 1.1m 7s primary swell from a West direction and 0.2m 13s secondary swell from a West-southwest direction (forecast issued at 12:00am May 17). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3.5ft (1.0m) | 7s |
| Afternoon (17 May) | 4ft (1.2m) | 6s |
| Evening (17 May) | 4.5ft (1.3m) | 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 23mm), heaviest during Mon night. Very mild (max 13°C on Tue morning, min 9°C on Sat night). Winds increasing (light winds from the WSW on Mon morning, fresh winds from the WSW by Tue morning). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
W 6 | W 7 | W 7 | W 7 | W 6 | W 12 | W 12 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | |
64 | 107 | 89 | 89 | 100 | 102 | 132 | 117 | 139 | 152 | 143 | 158 | 121 | 79 | 56 | 43 | 40 | 38 | 109 | 187 | 316 | 412 | 447 | 441 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 7:15AM9.52m | 7:36PM9.58m | 8:03AM9.54m | 8:22PM9.58m | 8:51AM9.39m | 9:10PM9.41m | ||||||||||||||||||
Low Tide | 00:53AM1.10m | 1:17PM1.01m | 1:40AM1.02m | 2:03PM1.05m | 2:28AM1.10m | 2:49PM1.23m | ||||||||||||||||||
 |  |  | |  | | |  | | |  | | | | | | | | | | |  | |  | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:05 | — | — | — | — | — | — | — | 9:06 | — |
— | — | — | — | 1 | 1 | 1 | 1 | 3 | 2 | 1 | — | — | — | — | 2 | 3 | 4 | 1 | 1 | 1 | — | — | — | |
Temp °C | 10 | 9 | 9 | 10 | 11 | 10 | 9 | 10 | 9 | 9 | 9 | 10 | 11 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 12 | 13 |
6 | 5 | 5 | 5 | 5 | 3 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 7 | 6 | 8 | 7 | 6 | 6 | 6 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 13 | W 7 | W 7 | WSW 12 | WSW 12 | W 12 | W 12 | WSW 11 | WSW 11 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | ESE 3 | W 15 | — | — | W 14 | W 18 |
 kJ | 4 | 107 | 89 | 29 | 49 | 102 | 132 | 43 | 41 | 152 | 143 | 158 | 121 | 79 | 56 | 43 | 40 | 38 | 1 | 4 | — | — | 4 | 24 |
Swell 2 Height (m) Direction Period (s) | — | W 13 | WSW 13 | W 15 | — | — | — | W 12 | W 11 | WSW 11 | WSW 11 | WSW 12 | W 10 | WSW 10 | WSW 10 | WSW 10 | W 10 | W 10 | W 19 | — | — | — | — | W 13 |
| kJ | — | 14 | 17 | 4 | — | — | — | 96 | 61 | 40 | 40 | 14 | 53 | 32 | 20 | 10 | 8 | 7 | 7 | — | — | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 6 | — | — | W 7 | W 6 | WSW 5 | WSW 6 | WSW 6 | WSW 6 | — | — | — | — | — | — | — | — | SSE 3 | SW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 8 | WSW 8 |
| kJ | 64 | — | — | 89 | 100 | 102 | 109 | 117 | 139 | — | — | — | — | — | — | — | — | 6 | 109 | 187 | 316 | 412 | 447 | 441 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 361 | 49 | 0 | 351 | 351 | 364 | 364 | 201 | 144 | 141 | 1 | 64 | 133 | 133 | 112 | 112 | 122 | 433 | 437 | 433 | 464 | 351 | 364 | 320 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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