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Surf Forecasts:
Corblets Bay surfForecast / Alderney / UK
48hr Weather and Surf, issued 12 am Wednesday 20 May 2026 BSTForecast update in hr min s Forecast update imminent
Corblets Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Corblets Bay sea temperature is
12.5° C
(Which is normal for this time of year)How big are the waves at Corblets Bay today?
The current surf forecast for Corblets Bay at 8AM is: 2.3m 10s primary swell from a West direction and 1.5m 15s secondary swell from a West direction (forecast issued at 12:00am May 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 6.5ft (2.0m) | 14s |
| Afternoon (20 May) | 7ft (2.2m) | 13s |
| Evening (20 May) | 6ft (1.9m) | 13s |
Table - waves today at Corblets Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 23°C on Fri afternoon, min 13°C on Tue night). Winds decreasing (strong winds from the SW on Tue night, calm by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WSW 9 | WSW 9 | W 10 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | |
898 | 938 | 1047 | 2499 | 1894 | 1684 | 1339 | 1181 | 932 | 714 | 546 | 456 | 369 | 279 | 269 | 206 | 206 | 202 | 234 | 234 | 320 | 338 | 332 | 326 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | |
High Tide | 10:30AM4.31m | 10:48PM4.41m | 11:22AM3.99m | 11:40PM4.11m | 12:19PM3.66m | |||||||||||||||||||
Low Tide | 4:40AM0.25m | 4:58PM0.66m | 5:35AM0.47m | 5:54PM0.92m | 6:35AM0.71m | 6:56PM1.17m | ||||||||||||||||||
 |  |  |  |  | | | |  | | | | | | | | | | | | | | | | |
 | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:53 | — | — | — | — | — | — | — | 8:54 | — |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 15 | 16 | 17 | 19 | 20 | 20 | 20 | 19 | 19 | 20 | 22 | 23 | 23 |
6 | 6 | 7 | 8 | 9 | 10 | 11 | 13 | 13 | 12 | 11 | 11 | 13 | 15 | 17 | 17 | 18 | 18 | 16 | 17 | 18 | 22 | 21 | 22 | |
Swell 1 Height (m) Direction Period (s) | W 17 | W 16 | W 15 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 |
 kJ | 53 | 129 | 446 | 2499 | 1894 | 1684 | 1339 | 1181 | 932 | 714 | 546 | 456 | 369 | 279 | 269 | 206 | 206 | 202 | 234 | 234 | 320 | 338 | 332 | 326 |
Swell 2 Height (m) Direction Period (s) | — | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 4 | ENE 4 | E 4 | S 3 | — | — |
| kJ | — | 32 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 4 | — | E 4 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — |
Wind waves Height (m) Direction Period (s) | WSW 9 | WSW 9 | W 10 | — | — | — | — | — | — | — | SSE 2 | S 3 | S 3 | — | — | E 3 | ESE 3 | ESE 3 | SSE 3 | S 3 | S 3 | — | E 3 | — |
| kJ | 898 | 938 | 1047 | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | 2 | 3 | 4 | 3 | 6 | 4 | — | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 472 | 596 | 139 | 158 | 415 | 120 | 139 | 17 | 17 | 0 | 17 | 17 | 0 | 0 | 25 | 0 | 0 | 25 | 25 | 17 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Alderney | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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