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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 am Wednesday 20 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
13.1° C
(Which is 1.6°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 9AM is: 2.5m 14s primary swell from a West direction and 2.5m 13s secondary swell from a West-southwest direction (forecast issued at 06:00am May 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 8ft (2.5m) | 14s |
| Afternoon (20 May) | 7ft (2.2m) | 13s |
| Evening (20 May) | 6ft (1.8m) | 12s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Thu afternoon, min 12°C on Wed morning). Winds decreasing (fresh winds from the SW on Wed morning, calm by Fri night). | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 10 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 10 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | |
1501 | 2814 | 2211 | 1872 | 1514 | 1198 | 880 | 644 | 521 | 512 | 408 | 322 | 264 | 242 | 248 | 258 | 253 | 275 | 387 | 387 | 387 | 328 | 310 | 255 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross | cross | glassy | glassy | |
High Tide | 9:40AM9.09m | 9:59PM9.09m | 10:31AM8.67m | 10:52PM8.68m | 11:26AM8.22m | 11:50PM8.28m | ||||||||||||||||||
Low Tide | 3:17AM1.32m | 3:37PM1.56m | 4:09AM1.67m | 4:28PM1.96m | 5:07AM2.06m | 5:27PM2.38m | ||||||||||||||||||
 |  |  |  | | |  |  |  |  | | | | | | | | | | | | | | | |
 | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | 5:13 |
 | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:08 | — | — | — | — | — | — | — | 9:09 | — | 9:12 |
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 17 | 18 | 18 | 16 | 15 | 15 | 15 | 16 | 17 | 18 | 17 | 16 | 16 |
5 | 6 | 7 | 8 | 8 | 10 | 11 | 10 | 10 | 11 | 12 | 16 | 17 | 14 | 12 | 11 | 12 | 12 | 14 | 17 | 17 | 17 | 16 | 16 | |
Swell 1 Height (m) Direction Period (s) | W 15 | W 14 | — | — | W 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 10 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 |
 kJ | 465 | 2694 | — | — | 1379 | 1198 | 880 | 644 | 521 | 512 | 408 | 322 | 264 | 242 | 248 | 258 | 253 | 275 | 387 | 387 | 387 | 328 | 310 | 255 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 13 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 53 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 10 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | — | — | — | — | — | — | — | — | — | SE 3 | SE 3 | SE 3 | — | — | — | — | — | — | — |
| kJ | 1501 | 2814 | 2211 | 1872 | 1514 | — | — | — | — | — | — | — | — | — | 2 | 3 | 2 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 361 | 393 | 425 | 320 | 139 | 414 | 133 | 133 | 21 | 39 | 19 | 19 | 19 | 0 | 0 | 14 | 19 | 19 | 19 | 13 | 20 | 18 | 10 | 1 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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