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Castletown Surf Forecast
/ Isle of Man (3 surf breaks) /
Surf Forecasts:
Castletown surfForecast / Isle of Man / UK
48hr Weather and Surf, issued 6 pm Wednesday 17 Sep 2025 BST
How big are the waves at Castletown today?
The current surf forecast for Castletown at 10PM is: 1.7m 8s primary swell from a South-southwest direction and 1.4m 8s secondary swell from a South-southwest direction (forecast issued at 06:00pm September 17). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | - | - |
| Afternoon (17 Sep) | 7ft (2.1m) | 8s |
| Evening (17 Sep) | 5.5ft (1.7m) | 8s |
Table - waves today at Castletown. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 6 | 4 | 4 | 4 | 4 | 4 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 541 | 287 | 314 | 186 | 223 | 146 | 109 | 70 | 278 | 669 | 758 | 939 | 800 | 444 | 244 | 134 | 82 | 31 | 32 | 28 | 27 | 20 | 6 | 6 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross | cross- on | cross | cross- off | cross- off | glass | glass | cross- off | off | off |
High Tide / height (m) | 9:10PM 4.46 | 9:57AM 4.44 | 10:10PM 4.76 | 10:47AM 4.67 | 10:56PM 5.01 | 11:25AM 4.82 | ||||||||||||||||||
Low Tide / height (m) | 2:55PM 1.64 | 3:36AM 1.14 | 3:59PM 1.38 | 4:31AM 0.84 | 4:46PM 1.13 | 5:12AM 0.63 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:58 | - | - |
| Sunset | - | 7:30 | - | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - | 7:25 | - | - | - | - | - | - |
 |  |  | |  |  | | | | | |  | | |  | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | - | 1 | 2 | 1 | 1 | - | 1 | 1 | 2 |
| Temp. °C | 16 | 16 | 15 | 14 | 13 | 13 | 13 | 14 | 16 | 16 | 16 | 16 | 16 | 16 | 14 | 14 | 13 | 13 | 11 | 11 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 12 | 12 | 9 | 7 | 6 | 7 | 8 | 11 | 11 | 11 | 9 | 10 | 10 | 11 | 10 | 12 | 10 | 9 | 9 | 10 | 10 | 9 | 9 | 7 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Isle of Man
Cross-shore wind has turned cross-on at Castletown (moderate winds from the WSW at Isle Of Man/Ronaldsway Airport 2 km from Castletown). A 1.3m swell from the SSW
1 h 34 min ago
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