Surf Forecasts:
How big are the waves at Castletown today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 0.5ft (0.1m), 15s period with S swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 0.5ft (0.2m), 6s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 0.5ft (0.1m), 14s period with S swell.
The current surf forecast for Castletown at 7PM is: 0.1m 14s primary swell from a South direction and 0.1m 6s secondary swell from a Southwest direction (forecast issued at 12:00pm August 20). An open ocean swell of 1.2m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 0.5ft (0.1m) | 15s |
| Afternoon (20 Aug) | 0.5ft (0.2m) | 6s |
| Evening (20 Aug) | 0.5ft (0.1m) | 14s |
Table - waves today at Castletown. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Thu night. Very mild (max 15°C on Thu morning, min 13°C on Thu night). Winds decreasing (fresh winds from the NNE on Thu morning, calm by Fri morning). | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 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) | S 15 | SSW 5 | SSW 6 | S 14 | S 14 | S 14 | S 14 | S 14 | S 6 | NW 4 | S 13 | S 13 | S 13 | S 13 | S 13 | S 16 | S 13 | S 14 | S 15 | S 14 | S 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 1 | 0 | 3 | 3 | 3 | 3 | 3 | 5 | 4 | 4 | 4 | 4 | 4 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | off | cross-off | off | off | cross-off | cross-off | glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:28PM4.04m | 5:58AM3.94m | 6:37PM3.86m | 7:21AM3.74m | 8:04PM3.86m | ||||||||||||||||
Low Tide | 11:12AM1.39m | 11:39PM1.59m | 12:14PM1.73m | 00:58AM1.83m | 1:37PM1.92m | ||||||||||||||||
 | | | |  | |  |  |  | |  | | | | | | | | | | | |
 | 6:03 | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:34 | — |
mm | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 14 | 15 | 14 | 13 | 13 | 13 | 14 | 14 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 14 |
Feels °C | 8 | 10 | 8 | 10 | 9 | 9 | 10 | 11 | 12 | 13 | 12 | 9 | 7 | 8 | 9 | 9 | 8 | 10 | 11 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SSW 5 | SSW 5 | SSW 6 | SW 6 | SW 6 | S 6 | S 6 | NW 4 | NNW 5 | NW 4 | — | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 15 | S 14 | S 15 |
| kJ | 6 | 3 | 3 | 1 | 1 | 1 | 1 | 16 | 3 | 3 | — | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 |
Swell 2 Height (m) Direction Period (s) | S 15 | — | — | S 14 | S 14 | S 14 | S 14 | S 6 | — | W 3 | S 5 | S 5 | — | — | — | S 16 | — | — | — | S 12 | S 12 |
| kJ | 4 | — | — | 4 | 4 | 4 | 4 | 1 | — | 1 | 1 | 1 | — | — | — | 5 | — | — | — | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | SW 6 | — | — | — | S 14 | S 14 | S 6 | E 3 | S 13 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 2 | — | — | — | 4 | 4 | 1 | 1 | 3 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 5 | N 4 | NNW 5 | NNW 5 | NNW 5 | NW 5 | ENE 3 | NW 4 | — | NW 3 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 4 | NNW 4 | NNW 4 |
| kJ | 46 | 42 | 27 | 57 | 72 | 61 | 35 | 1 | 5 | — | 3 | 38 | 80 | 69 | 45 | 46 | 39 | 27 | 26 | 17 | 19 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 233 | 644 | 923 | 233 | 233 | 152 | 267 | 166 | 280 | 233 | 233 | 233 | 233 | 233 | 233 | 225 | 233 | 233 | 254 | 225 | 233 |
Best forecast wave conditions in Isle of Man | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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