Surf Forecasts:
How big are the waves at Castletown today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 1ft (0.3m), 4s period with SSW swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 1ft (0.3m), 4s period with SW swell.
- Evening surf: Evening surf (17 Aug, local time) - 2.5ft (0.8m), 4s period with SSW swell.
The current surf forecast for Castletown at 8PM is: 0.4m 3s primary swell from a Southwest direction (forecast issued at 12:00pm August 17). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 1ft (0.3m) | 4s |
| Afternoon (17 Aug) | 1ft (0.3m) | 4s |
| Evening (17 Aug) | 2.5ft (0.8m) | 4s |
Table - waves today at Castletown. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Mon night. Very mild (max 17°C on Mon night, min 14°C on Tue night). Winds increasing (light winds from the WNW on Mon morning, fresh winds from the WSW by Tue night). | |||||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||
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 |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSW 4 | SSW 4 | SW 4 | SW 3 | SSW 4 | SW 4 | SSW 4 | W 4 | W 4 | W 4 | SW 4 | WSW 4 | WSW 4 | WSW 4 | W 4 | WSW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1 | 1 | 3 | 4 | 17 | 31 | 12 | 15 | 37 | 30 | 17 | 13 | 11 | 30 | 39 | 46 | 56 | 83 | 74 | 71 | 49 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross-off | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 3:14PM4.73m | 3:29AM4.96m | 3:54PM4.51m | 4:11AM4.64m | 4:37PM4.27m | ||||||||||||||||
Low Tide | 9:03AM0.40m | 9:14PM0.71m | 9:43AM0.68m | 9:56PM0.95m | 10:25AM1.02m | ||||||||||||||||
 |  | | |  |  |  | |  | | | | |  | | | | | | |  | |
 | 5:58 | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:43 | — | — | — | — | — | — | — | 8:40 | — |
mm | — | 1 | — | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 |
Temp °C | 16 | 15 | 15 | 15 | 15 | 17 | 16 | 15 | 15 | 16 | 17 | 17 | 16 | 15 | 14 | 14 | 14 | 15 | 16 | 16 | 15 |
Feels °C | 16 | 15 | 14 | 13 | 10 | 14 | 12 | 11 | 11 | 12 | 13 | 13 | 11 | 10 | 9 | 8 | 8 | 11 | 12 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SSW 4 | SSW 4 | SSW 4 | WNW 3 | — | — | SSW 4 | SSW 5 | SSW 5 | — | NW 4 | NNW 4 | NNW 4 | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 2 | 1 | — | — | 12 | 9 | 9 | — | 4 | 2 | 2 | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 6 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 4 | SW 3 | SSW 4 | SW 4 | W 4 | W 4 | W 4 | W 4 | SW 4 | WSW 4 | WSW 4 | WSW 4 | W 4 | WSW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 |
| kJ | — | — | 3 | 4 | 17 | 31 | 10 | 15 | 37 | 30 | 17 | 13 | 11 | 30 | 39 | 46 | 56 | 83 | 74 | 71 | 49 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 166 | 166 | 208 | 307 | 418 | 482 | 418 | 277 | 139 | 139 | 500 | 500 | 180 | 180 | 171 | 171 | 180 | 169 | 152 | 166 | 166 |
Best forecast wave conditions in Isle of Man | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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