Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
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 Thursday 25 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 1.1°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: 0.3m 11s primary swell from a West-southwest direction and 0.1m 13s secondary swell from a West direction (forecast issued at 05:00am December 25). An open ocean swell of 1.1m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Dec) | 1ft (0.3m) | 11s |
| Afternoon (25 Dec) | 1ft (0.3m) | 12s |
| Evening (25 Dec) | 0.5ft (0.2m) | 10s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 25 | Friday 26 | Saturday 27 | Sun 28 | |||||||||||||||||||||
| 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) (?) | 12 | 11 | 11 | 11 | 12 | 10 | 10 | 10 | 4 | 4 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 14 | 10 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 28 | 24 | 24 | 24 | 27 | 8 | 8 | 8 | 28 | 14 | 11 | 13 | 24 | 26 | 30 | 28 | 28 | 27 | 24 | 23 | 22 | 41 | 21 | 36 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross |
High Tide / height (m) | 9:17AM 8.66 | 9:36PM 8.29 | 9:59AM 8.47 | 10:20PM 8.09 | 10:47AM 8.27 | 11:12PM 7.89 | ||||||||||||||||||
Low Tide / height (m) | 2:51AM 2.26 | 3:21PM 2.20 | 3:31AM 2.42 | 4:04PM 2.35 | 4:18AM 2.60 | 4:55PM 2.53 | ||||||||||||||||||
Thursday 25 | Friday 26 | Saturday 27 | Sun 28 | |||||||||||||||||||||
| Sunrise | - | - | 8:19 | - | - | - | - | - | - | - | 8:21 | - | - | - | - | - | - | - | 8:21 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:09 | - | - | - | - | - | - | - | 4:10 | - | - | - | - | - | - | - | 4:12 | - | - | - |
 | |  | | | | | | | | | | | | | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 2 | 3 | 3 | 4 | 4 | 3 | 1 | 1 | 1 | 1 | 1 | 3 | 4 | 3 | 2 | 3 | 3 | 3 | 4 | 6 | 6 | 5 | 5 | 5 |
| Feels °C (?) | -8 | -7 | -7 | -7 | -7 | -8 | -9 | -9 | -7 | -6 | -6 | -4 | -3 | -5 | -5 | -3 | -3 | -4 | -4 | -3 | -3 | -4 | -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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