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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 Thursday 14 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
10.4° C
(Which is normal for this time of year)How big are the waves at Castletown today?
The current surf forecast for Castletown at 2AM is: 0.1m 14s primary swell from a South direction (forecast issued at 06:00pm May 14). An open ocean swell of 1.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 0.5ft (0.1m) | 14s |
| Afternoon (15 May) | 0.5ft (0.1m) | 14s |
| Evening (15 May) | 0.5ft (0.1m) | 13s |
Table - waves today at Castletown. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Sat afternoon. Very mild (max 10°C on Thu afternoon, min 7°C on Fri night). Winds decreasing (strong winds from the NNW on Thu afternoon, light winds from the W by Fri night). | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | NNW 5 | NNW 5 | S 13 | NNW 4 | SW 3 | SSW 4 | SW 4 | SSW 4 | SSW 4 | SSW 4 | WSW 4 | WSW 4 | SW 4 | |
4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 0 | 0 | 3 | 0 | 2 | 12 | 17 | 10 | 3 | 3 | 11 | 13 | 12 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | cross-on | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | |
High Tide | 10:22PM4.76m | 10:36AM5.00m | 11:04PM5.00m | 11:21AM5.19m | 11:47PM5.19m | 12:08PM5.29m | ||||||||||||||||||
Low Tide | 4:09PM0.57m | 4:28AM0.76m | 4:52PM0.40m | 5:12AM0.50m | 5:35PM0.30m | 5:57AM0.32m | ||||||||||||||||||
 | |  |  | |  | | | |  | | |  |  | | |  | | | |  | | | | |
 | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — |
 | — | 9:12 | — | — | — | — | — | — | — | 9:14 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | 9:16 |
1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 7 | 8 | 9 | 8 | 9 | 10 | 9 | 9 | 8 | 8 | 9 | 9 |
1 | 2 | 3 | 2 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 3 | 3 | 5 | 5 | 4 | 5 | 5 | 6 | 4 | 3 | 2 | 3 | 3 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | — | NNW 5 | NNW 4 | NNW 4 | NNW 4 | — | — | SSW 4 | SSW 4 | SSW 4 | NNW 4 | NW 4 | NW 4 |
 kJ | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | — | 19 | 7 | 2 | 2 | — | — | 10 | 3 | 3 | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | S 13 | — | — | — | — | S 13 | — | NNW 4 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | 3 | — | 3 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NW 5 | — | — | SW 3 | SSW 4 | SW 4 | NW 3 | NW 3 | WNW 4 | WSW 4 | WSW 4 | SW 4 |
| kJ | 246 | 382 | 297 | 253 | 211 | 204 | 135 | 90 | 107 | 87 | 62 | 39 | 11 | — | — | 2 | 12 | 17 | 7 | 5 | 10 | 11 | 13 | 12 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1712 | 827 | 420 | 104 | 104 | 336 | 380 | 233 | 233 | 231 | 210 | 225 | 208 | 176 | 210 | 171 | 227 | 233 | 233 | 180 | 180 | 171 | 171 | 181 |
Best forecast wave conditions in Isle of Man | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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