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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 Thursday 18 Sep 2025 BST
How big are the waves at Crab Island today?
The current surf forecast for Crab Island at 9PM is: 1.1m 11s primary swell from a West-southwest direction and 1.4m 7s secondary swell from a Southwest direction (forecast issued at 06:00pm September 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 7ft (2.1m) | 11s |
| Evening (18 Sep) | 3.5ft (1.1m) | 11s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 10 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 6 | 8 | 7 | 6 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 988 | 846 | 256 | 578 | 495 | 517 | 528 | 482 | 428 | 378 | 305 | 242 | 237 | 199 | 168 | 165 | 90 | 266 | 1310 | 764 | 179 | 149 | 87 | 82 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | on | on | cross- on | on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- off | cross- off | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:05PM 8.20 | 5:38AM 8.38 | 5:58PM 8.82 | 6:25AM 8.88 | 6:40PM 9.22 | 7:03AM 9.16 | ||||||||||||||||||
Low Tide / height (m) | 11:30PM 2.25 | 11:48AM 2.13 | 12:18AM 1.72 | 12:30PM 1.68 | 12:56AM 1.42 | |||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:58 | - | - |
| Sunset | - | 7:23 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:20 | - | - | - | - | - | - |
 | |  | |  | |  | |  | |  | | |  |  | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | - | - | 1 | 2 | 1 | - |
| Temp. °C | 18 | 17 | 17 | 17 | 16 | 15 | 16 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 13 | 13 | 14 | 13 | 12 | 12 | 13 | 13 |
| Feels °C (?) | 13 | 13 | 14 | 14 | 14 | 12 | 14 | 17 | 16 | 15 | 17 | 15 | 15 | 13 | 15 | 12 | 8 | 8 | 9 | 11 | 11 | 9 | 8 | 6 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Gower
Recent cross-onshore wind has turned cross-shore at Llangennith (moderate winds from the S at Llethryd Barns 12 km from Llangennith). 2.0m 10s swell from the SW with a 0.9m 5s windswell from the WSW. 2 swells combining to make bigger set waves.
Actual: 41 min ago
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