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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 Saturday 23 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
10.8° C
(Which is normal for this time of year)How big are the waves at Castletown today?
The current surf forecast for Castletown at 8AM is: 0.7m 5s primary swell from a South-southwest direction and 0.2m 7s secondary swell from a South-southwest direction, 0.1m 13s secondary swell from a South direction (forecast issued at 12:00am May 23). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 1.5ft (0.5m) | 5s |
| Afternoon (23 May) | 1.5ft (0.5m) | 6s |
| Evening (23 May) | 3ft (0.9m) | 4s |
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 Fri night. Very mild (max 19°C on Mon afternoon, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 4 | SSW 6 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | S 13 | S 13 | S 13 | S 13 | S 13 | — | |
62 | 38 | 19 | 12 | 8 | 22 | 17 | 32 | 46 | 27 | 17 | 10 | 5 | 4 | 4 | 5 | 6 | 6 | 3 | 3 | 3 | 3 | 3 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | on | cross-on | on | on | on | on | on | cross-on | cross-on | cross | glassy | cross-off | |
High Tide | 5:06AM4.67m | 5:59PM4.27m | 6:15AM4.52m | 7:11PM4.19m | 7:26AM4.45m | 8:17PM4.23m | ||||||||||||||||||
Low Tide | 10:49PM1.25m | 11:34AM0.83m | 11:58PM1.42m | 12:46PM0.93m | 1:12AM1.45m | 1:56PM0.94m | ||||||||||||||||||
 |  |  | |  | |  |  | | | | | | | | | | | | | | | | | |
 | — | 5:03 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:27 | — | — | — | — | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:30 | — |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 15 | 16 | 17 | 17 | 16 | 16 | 17 | 18 | 19 | 19 | 18 |
9 | 11 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 11 | 11 | 10 | 12 | 13 | 15 | 15 | 14 | 15 | 16 | 16 | 17 | 18 | 16 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 7 | SSW 7 | SSW 5 | SSW 6 | S 13 | S 13 | S 13 | S 13 | S 14 | S 14 | S 14 | S 6 | SW 6 | S 6 | S 6 | S 6 | S 13 | S 6 | SSW 3 | — | — | S 5 | — |
 kJ | 2 | 1 | 5 | 12 | 4 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 3 | 1 | 1 | — | — | 1 | — |
Swell 2 Height (m) Direction Period (s) | S 13 | S 10 | S 13 | SSW 7 | S 13 | — | — | — | S 14 | — | S 8 | — | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 5 | S 5 | S 5 | — | — |
| kJ | 3 | 2 | 3 | 4 | 3 | — | — | — | 4 | — | 1 | — | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 1 | 1 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | S 14 | S 10 | S 13 | S 10 | — | — | — | — | — | — | SW 8 | — | — | — | — | S 13 | — | S 13 | S 13 | S 13 | S 13 | S 13 | — |
| kJ | — | 4 | 2 | 3 | 2 | — | — | — | — | — | — | 2 | — | — | — | — | 3 | — | 3 | 3 | 3 | 3 | 3 | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 5 | SSW 5 | W 3 | SSW 4 | SSW 6 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | — | — | — | — | — |
| kJ | 62 | 38 | 19 | 1 | 8 | 22 | 17 | 32 | 46 | 27 | 17 | 10 | 5 | 4 | 4 | 5 | 6 | 6 | 3 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 139 | 139 | 139 | 227 | 139 | 139 | 139 | 139 | 169 | 171 | 171 | 166 | 208 | 208 | 179 | 166 | 166 | 166 | 166 | 171 | 152 | 153 | 225 | 171 |
Best forecast wave conditions in Isle of Man | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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