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Surf Forecasts:
Corblets Bay surfForecast / Alderney / UK
48hr Weather and Surf, issued 12 am Monday 18 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
12.4° 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 7AM is: 1.3m 12s primary swell from a West direction and 0.8m 12s secondary swell from a West direction (forecast issued at 12:00am May 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 4.5ft (1.3m) | 12s |
| Afternoon (18 May) | 4ft (1.2m) | 11s |
| Evening (18 May) | 3.5ft (1.0m) | 11s |
Table - waves today at Corblets Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Sun night. Very mild (max 15°C on Wed afternoon, min 10°C on Sun night). Winds decreasing (strong winds from the S on Mon night, light winds from the WSW by Wed afternoon). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 7 | SW 6 | W 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | W 14 | W 14 | W 13 | W 13 | W 13 | |
232 | 228 | 456 | 446 | 380 | 344 | 332 | 220 | 82 | 46 | 260 | 129 | 477 | 554 | 603 | 676 | 741 | 844 | 880 | 2534 | 1923 | 1520 | 1210 | 1060 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 8:55AM4.68m | 9:15PM4.78m | 9:42AM4.56m | 10:00PM4.65m | 10:30AM4.31m | |||||||||||||||||||
Low Tide | 2:59AM0.08m | 3:19PM0.27m | 3:48AM0.11m | 4:07PM0.43m | 4:40AM0.25m | 4:58PM0.66m | ||||||||||||||||||
 | |  | |  |  | | | | | | |  | | |  | |  | | | | | | | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:51 | — | — | — | — | — | — | — | 8:52 | — |
1 | 3 | 1 | 1 | — | — | — | 1 | 1 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 14 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 16 |
5 | 4 | 5 | 5 | 4 | 4 | 7 | 6 | 4 | 3 | 8 | 6 | 7 | 5 | 5 | 6 | 5 | 6 | 6 | 7 | 10 | 12 | 12 | 14 | |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | — | W 12 | W 11 | W 11 | W 11 | W 6 | W 7 | W 7 | W 8 | W 15 | W 15 | W 15 | W 18 | W 17 | W 16 | W 15 | W 14 | W 14 | W 13 | W 13 | W 13 |
 kJ | 232 | 228 | 174 | — | 380 | 344 | 332 | 220 | 37 | 46 | 99 | 129 | 4 | 4 | 4 | 6 | 53 | 183 | 506 | 2078 | 1923 | 1520 | 1210 | 1060 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 11 | W 10 | — | — | W 15 | — | — | W 14 | W 13 | W 13 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 82 | 35 | — | — | 4 | — | — | 4 | 3 | 14 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 6 | W 5 | W 12 | W 12 | — | SSW 4 | SSE 4 | SSW 4 | SSW 5 | SSW 6 | SW 6 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | W 14 | — | — | — | — |
| kJ | 61 | 56 | 456 | 446 | — | 17 | 5 | 16 | 63 | 181 | 260 | 408 | 477 | 554 | 603 | 676 | 741 | 844 | 880 | 2534 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 241 | 136 | 50 | 122 | 137 | 44 | 17 | 44 | 472 | 472 | 208 | 577 | 675 | 547 | 415 | 157 | 177 | 157 | 139 | 139 | 122 | 56 | 17 | 17 |
Best forecast wave conditions in Alderney | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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