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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 12 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
10.3° C
(Which is normal for this time of year)| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 0.5ft (0.1m) | 9s |
| Afternoon (11 May) | 0.5ft (0.1m) | 9s |
| 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 ForecastSome drizzle, heaviest during Tue night. Very mild (max 12°C on Tue afternoon, min 7°C on Mon morning). Winds increasing (light winds from the NNE on Mon morning, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NW 4 | NW 5 | NNW 5 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | SW 8 | SW 8 | SW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | |
0 | 0 | 0 | 2 | 2 | 2 | 1 | 1 | 3 | 3 | 3 | 3 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | 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 | |
High Tide | 7:00AM4.07m | 7:55PM3.97m | 8:07AM4.23m | 8:52PM4.21m | 9:02AM4.48m | 9:39PM4.48m | ||||||||||||||||||
Low Tide | 00:47AM1.75m | 1:32PM1.27m | 1:58AM1.59m | 2:34PM1.04m | 2:56AM1.33m | 3:25PM0.79m | ||||||||||||||||||
 | |  |  |  | | |  | | | | | | | |  | |  | | | | | | | |
 | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:08 | — | — | — | — | — | — | — | 9:10 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 9 | 9 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 11 | 12 | 12 | 10 | 9 | 8 | 8 | 9 | 10 | 10 | 10 | 9 |
2 | 2 | 1 | 0 | 3 | 3 | 2 | 2 | 2 | 3 | 2 | 2 | 5 | 7 | 5 | 1 | 0 | -2 | -3 | -1 | 3 | 2 | 0 | -1 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | W 4 | NNW 5 | NE 4 | ENE 4 | S 8 | S 8 | SW 8 | SW 8 | SW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 |
 kJ | — | — | — | 1 | 22 | 6 | 1 | 1 | 1 | 3 | 3 | 3 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | S 9 | — | NNW 5 | S 8 | — | SW 8 | — | — | — | — | — | SSW 8 | — | — | — | — | — | — | S 16 | S 16 | S 16 |
| kJ | — | — | — | 2 | — | 9 | 1 | — | 3 | — | — | — | — | — | 7 | — | — | — | — | — | — | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 9 | S 9 | S 9 | S 8 | NW 7 | — | — | — | — | — | — | — | — | — | — | — | — | S 16 | S 16 | S 16 | — |
| kJ | — | — | — | 2 | 2 | 2 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 5 | — |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 5 | NNW 5 | N 5 | NE 4 | N 5 | NNW 4 | NNW 4 | NNW 5 | NW 5 | WNW 4 | NW 5 | NW 5 | NW 5 | WNW 4 | WNW 5 | W 6 | WNW 6 | WNW 6 | NW 6 | NW 6 | NW 6 | NNW 6 | NNW 7 |
| kJ | 27 | 59 | 120 | 80 | 16 | 12 | 5 | 23 | 28 | 21 | 26 | 54 | 74 | 66 | 31 | 63 | 174 | 329 | 365 | 353 | 263 | 203 | 370 | 530 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 263 | 365 | 305 | 166 | 169 | 233 | 233 | 183 | 233 | 233 | 233 | 271 | 440 | 233 | 234 | 233 | 233 | 265 | 500 | 511 | 888 | 1062 | 840 | 254 |
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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