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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 pm 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 12AM is: 0.1m 8s primary swell from a South direction (forecast issued at 06:00pm May 11). An open ocean swell of 0.7m 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 (12 May) | 0.5ft (0.2m) | 9s |
| Afternoon (12 May) | 0.5ft (0.2m) | 9s |
| Evening (12 May) | 0.5ft (0.2m) | 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 6mm), mostly falling on Tue night. Very mild (max 12°C on Tue afternoon, min 8°C on Mon afternoon). Winds increasing (light winds from the NW on Mon afternoon, strong winds from the NW by Wed night). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 5 | S 8 | S 8 | S 8 | SW 8 | SW 8 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | S 18 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | |
0 | 1 | 1 | 1 | 3 | 3 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 4 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | 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 | cross-off | cross-off | cross-off | cross-off | |
High Tide | 7:55PM3.97m | 8:07AM4.23m | 8:52PM4.21m | 9:02AM4.48m | 9:39PM4.48m | 9:50AM4.75m | ||||||||||||||||||
Low Tide | 1:32PM1.27m | 1:58AM1.59m | 2:34PM1.04m | 2:56AM1.33m | 3:25PM0.79m | 3:44AM1.04m | ||||||||||||||||||
 |  |  |  | |  | | | | |  | |  |  |  | | | | | | | | | | |
 | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — |
 | — | 9:07 | — | — | — | — | — | — | — | 9:08 | — | — | — | — | — | — | — | 9:10 | — | — | — | — | — | 9:12 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | 1 | — | |
Temp °C | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 11 | 12 | 12 | 10 | 9 | 8 | 8 | 9 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 9 | 9 |
5 | 2 | 2 | 3 | 3 | 2 | 1 | 5 | 7 | 5 | 1 | 0 | -2 | -2 | -1 | 1 | 1 | 0 | -1 | -2 | -1 | -1 | 0 | 1 | |
Swell 1 Height (m) Direction Period (s) | NNW 5 | ENE 4 | S 8 | NNW 4 | 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 | SW 8 | S 8 | S 8 | S 8 | S 8 | W 5 |
 kJ | 9 | 1 | 1 | 16 | 3 | 3 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 2 | 1 | 1 | 1 | 1 | 4 |
Swell 2 Height (m) Direction Period (s) | NE 4 | S 8 | NW 8 | S 8 | NW 8 | — | — | — | — | SSW 8 | — | S 18 | — | — | — | — | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 |
| kJ | 4 | 1 | 3 | 1 | 3 | — | — | — | — | 7 | — | 6 | — | — | — | — | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 |
Swell 3 Height (m) Direction Period (s) | — | NW 8 | NW 8 | NW 8 | — | — | — | — | — | — | — | — | — | — | — | — | S 16 | — | — | — | — | — | — | S 7 |
| kJ | — | 2 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | — | NW 5 | NNW 4 | NW 4 | NW 4 | WNW 4 | NW 5 | NW 5 | NW 5 | NW 5 | WNW 5 | WNW 6 | WNW 6 | WNW 6 | NW 6 | NW 7 | NNW 7 | NNW 6 | NNW 7 | NNW 7 | NW 7 | NNW 7 | NNW 6 | NNW 6 |
| kJ | — | 6 | 10 | 9 | 15 | 19 | 62 | 96 | 82 | 42 | 74 | 209 | 318 | 299 | 310 | 467 | 304 | 399 | 530 | 516 | 421 | 412 | 297 | 218 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 233 | 210 | 171 | 233 | 233 | 233 | 271 | 440 | 233 | 233 | 233 | 233 | 258 | 278 | 512 | 492 | 512 | 776 | 500 | 511 | 713 | 845 | 1163 | 380 |
Best forecast wave conditions in Isle of Man | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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