Surf Forecasts:
How big are the waves at Castletown today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 1.5ft (0.4m), 6s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 1.5ft (0.5m), 4s period with W swell.
- Evening surf: Evening surf (20 Sep, local time) - 1.5ft (0.4m), 6s period with SW swell.
The current surf forecast for Castletown at 5PM is: 0.5m 4s primary swell from a West direction and 0.3m 6s secondary swell from a South-southwest direction (forecast issued at 12:00pm September 20). An open ocean swell of 0.6m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 1.5ft (0.4m) | 6s |
| Afternoon (20 Sep) | 1.5ft (0.5m) | 4s |
| Evening (20 Sep) | 1.5ft (0.4m) | 6s |
Table - waves today at Castletown. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Sun night. Warm (max 20°C on Mon night, min 13°C on Sun morning). Winds decreasing (fresh winds from the WNW on Sun morning, calm by Tue night). | |||||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||
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 6 | SSW 6 | W 4 | SW 6 | SW 3 | SSW 4 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 4 | SSW 4 | SSW 4 | S 4 | S 4 | S 4 | SSW 4 | SSW 4 | SSW 4 | S 4 | SSW 3 |
Wave Graph  | |||||||||||||||||||||
 kJ | 13 | 7 | 9 | 9 | 6 | 11 | 29 | 50 | 41 | 24 | 10 | 10 | 8 | 11 | 8 | 9 | 5 | 3 | 3 | 1 | 2 |
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 | on | on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross | cross-on | cross-on | cross-on | on | glassy |
High Tide | 7:16PM3.85m | 8:18AM3.73m | 8:43PM4.04m | 9:28AM4.00m | 9:41PM4.35m | ||||||||||||||||
Low Tide | 12:47PM2.15m | 1:53AM1.94m | 2:24PM2.07m | 3:11AM1.66m | 3:29PM1.77m | ||||||||||||||||
 |  | |  |  | | |  | | | | |  | | | | | | | | | |
 | 6:58 | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — |
 | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:21 | — | — | — | — | — | — | — | 7:17 | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 16 | 16 | 19 | 19 | 20 | 18 | 19 | 17 | 17 | 17 | 17 | 17 | 16 |
Feels °C | 6 | 8 | 10 | 10 | 10 | 10 | 9 | 10 | 13 | 14 | 18 | 17 | 18 | 16 | 19 | 16 | 17 | 15 | 16 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SSW 6 | NNW 5 | NNW 5 | NW 5 | NNW 5 | NW 5 | NW 6 | NW 8 | NW 8 | NW 8 | N 8 | N 7 | — | S 4 | S 4 | SSW 4 | — | SSW 4 | — | — |
| kJ | 13 | 7 | 17 | 10 | 7 | 2 | 1 | 2 | 3 | 3 | 2 | 1 | 1 | — | 8 | 8 | 5 | — | 3 | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | SSW 6 | SW 6 | — | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 7 | 9 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 5 | WNW 5 | W 4 | SW 4 | SW 3 | SSW 4 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 4 | SSW 4 | SSW 4 | S 4 | — | SSW 4 | — | SSW 4 | — | S 4 | SSW 3 |
| kJ | 86 | 50 | 9 | 6 | 6 | 11 | 29 | 50 | 41 | 24 | 10 | 10 | 8 | 11 | — | 9 | — | 3 | — | 1 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 275 | 265 | 246 | 180 | 152 | 176 | 171 | 171 | 169 | 166 | 166 | 171 | 171 | 171 | 171 | 171 | 180 | 225 | 171 | 151 | 152 |
Best forecast wave conditions in Isle of Man | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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