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Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Crab Island surfForecast / Wales – Gower / UK
48hr Weather and Surf, issued 5 am Friday 26 Dec 2025 GMTForecast 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
9.5° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Crab Island today?
The current surf forecast for Crab Island at 8AM is: 0.2m 12s primary swell from a West direction and 0.1m 9s secondary swell from a West direction, 0.6m 4s secondary swell from a East direction (forecast issued at 05:00am December 26). The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Dec) | 0.5ft (0.2m) | 12s |
| Afternoon (26 Dec) | 1ft (0.3m) | 11s |
| Evening (26 Dec) | 1ft (0.3m) | 12s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 26 | Saturday 27 | Sunday 28 | Mon 29 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 4 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 21 | 13 | 11 | 13 | 24 | 26 | 30 | 28 | 28 | 27 | 24 | 40 | 25 | 42 | 40 | 37 | 34 | 33 | 50 | 47 | 46 | 25 | 25 | 43 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 9:59AM 8.47 | 10:20PM 8.09 | 10:47AM 8.27 | 11:12PM 7.89 | 11:45AM 8.08 | |||||||||||||||||||
Low Tide / height (m) | 3:31AM 2.42 | 4:04PM 2.35 | 4:18AM 2.60 | 4:55PM 2.53 | 5:14AM 2.79 | 5:55PM 2.68 | ||||||||||||||||||
Friday 26 | Saturday 27 | Sunday 28 | Mon 29 | |||||||||||||||||||||
| Sunrise | - | - | 8:21 | - | - | - | - | - | - | - | 8:21 | - | - | - | - | - | - | - | 8:21 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:10 | - | - | - | - | - | - | - | 4:12 | - | - | - | - | - | - | - | 4:12 | - | - | - |
 | |  |  | | | | | | | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 0 | 1 | 1 | 3 | 4 | 3 | 2 | 3 | 3 | 3 | 4 | 6 | 6 | 5 | 5 | 5 | 3 | 3 | 2 | 3 | 3 | 2 | 2 | 2 |
| Feels °C (?) | -8 | -5 | -5 | -3 | -3 | -5 | -5 | -3 | -4 | -4 | -4 | -2 | -2 | -4 | -4 | -3 | -4 | -4 | -4 | -2 | -2 | -3 | -3 | -3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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