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Castletown Surf Forecast
/ Isle of Man (4 surf breaks) /
Surf Forecasts:
Castletown surfForecast / Isle of Man / UK
48hr Weather and Surf, issued 6 am Monday 11 May 2026 BSTForecast update in hr min s Forecast update imminent
Castletown surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castletown sea temperature is
10.2° C
(Which is normal for this time of year)How big are the waves at Castletown today?
The current surf forecast for Castletown at 12PM is: 0.1m 9s primary swell from a South direction (forecast issued at 06:00am May 11). An open ocean swell of 0.8m 5s is not directed at the surf break, a second open ocean swell of 0.2m 4s is not directed at the surf break, a second open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 0.5ft (0.1m) | 9s |
| Afternoon (11 May) | - | - |
| Evening (11 May) | 0.5ft (0.1m) | 8s |
Table - waves today at Castletown. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Very mild (max 12°C on Tue afternoon, min 7°C on Mon morning). Winds increasing (light winds from the WNW on Mon afternoon, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 5 | NNW 5 | S 9 | S 9 | NNW 5 | S 8 | S 8 | S 8 | SW 8 | SW 8 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 16 | |
0 | 0 | 2 | 2 | 0 | 1 | 1 | 1 | 3 | 3 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 7:00AM4.07m | 7:55PM3.97m | 8:07AM4.23m | 8:52PM4.21m | 9:02AM4.48m | 9:39PM4.48m | ||||||||||||||||||
Low Tide | 1:32PM1.27m | 1:58AM1.59m | 2:34PM1.04m | 2:56AM1.33m | 3:25PM0.79m | |||||||||||||||||||
 |  |  | |  | | |  | | | | | | |  | |  | |  | | | | | | |
 | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | 5:18 |
 | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:08 | — | — | — | — | — | — | — | 9:10 | — | 9:12 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — | — | |
Temp °C | 9 | 9 | 7 | 8 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 11 | 12 | 12 | 10 | 9 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 9 |
2 | 2 | 1 | 3 | 5 | 2 | 2 | 2 | 3 | 2 | 2 | 5 | 7 | 5 | 1 | -1 | -2 | -3 | -1 | 2 | 2 | 1 | 1 | 0 | |
Swell 1 Height (m) Direction Period (s) | — | — | NNW 5 | NNW 5 | NNW 5 | NE 4 | S 8 | S 8 | SW 8 | SW 8 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SW 8 |
 kJ | — | — | 55 | 22 | 9 | 1 | 1 | 1 | 3 | 3 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | W 4 | W 4 | NE 4 | E 3 | — | NW 8 | NW 8 | — | — | — | SSW 8 | SSW 8 | — | — | — | — | — | — | S 16 | S 16 | S 16 | S 16 |
| kJ | — | — | 1 | 1 | 4 | 1 | — | 3 | 3 | — | — | — | 7 | 7 | — | — | — | — | — | — | 5 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | S 9 | S 9 | — | S 8 | NW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 16 | — | — |
| kJ | — | — | 2 | 2 | — | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — |
Wind waves Height (m) Direction Period (s) | NW 5 | NNW 5 | NE 4 | NE 4 | — | NW 5 | NNW 4 | NNW 5 | NW 5 | WNW 4 | NW 5 | NW 5 | NW 5 | WNW 4 | W 5 | WNW 6 | WNW 6 | WNW 6 | NW 6 | NW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 |
| kJ | 61 | 120 | 5 | 7 | — | 7 | 16 | 24 | 17 | 22 | 62 | 92 | 69 | 32 | 87 | 232 | 348 | 336 | 353 | 414 | 332 | 288 | 270 | 320 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 355 | 412 | 166 | 153 | 233 | 233 | 178 | 233 | 233 | 233 | 278 | 440 | 291 | 233 | 233 | 233 | 271 | 278 | 1166 | 844 | 1441 | 842 | 840 | 433 |
Best forecast wave conditions in Isle of Man | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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