Surf Forecasts:
How big are the waves at Castletown today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 1.5ft (0.5m), 9s period with SSW swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 3ft (0.9m), 5s period with S swell.
- Evening surf: Evening surf (30 Aug, local time) - 3.5ft (1.0m), 5s period with SSW swell.
The current surf forecast for Castletown at 5AM is: 0.7m 8s primary swell from a South-southwest direction and 0.4m 3s secondary swell from a Southwest direction (forecast issued at 12:00am August 30). An open ocean swell of 0.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 1.5ft (0.5m) | 9s |
| Afternoon (30 Aug) | 3ft (0.9m) | 5s |
| Evening (30 Aug) | 3.5ft (1.0m) | 5s |
Table - waves today at Castletown. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 18°C on Tue afternoon, min 14°C on Sun night). Winds increasing (light winds from the NW on Sat night, fresh winds from the WNW by Mon morning). | ||||||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 9 | SSW 9 | SSW 9 | S 5 | S 5 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | WSW 4 | WSW 4 | WSW 5 | WSW 5 | SW 5 | SW 4 | SSW 5 | SSW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 49 | 70 | 58 | 43 | 77 | 36 | 47 | 65 | 57 | 60 | 40 | 21 | 21 | 21 | 10 | 10 | 16 | 50 | 74 | 77 | 51 | 40 | 46 | 67 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | on | on | on | on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:04AM5.28m | 1:26PM5.00m | 1:36AM5.31m | 1:58PM5.01m | 2:11AM5.28m | 2:34PM4.97m | ||||||||||||||||||
Low Tide | 7:18AM0.37m | 7:27PM0.59m | 7:51AM0.38m | 8:01PM0.60m | 8:26AM0.46m | 8:38PM0.67m | ||||||||||||||||||
 |  |  | |  | |  | | |  | |  |  | | | | | | | | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:13 | — | — | — | — | — | — | — | 8:09 | — |
mm | — | — | — | — | 1 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 15 | 17 | 18 | 18 |
Feels °C | 14 | 13 | 13 | 14 | 11 | 13 | 13 | 13 | 13 | 10 | 9 | 8 | 10 | 11 | 13 | 13 | 11 | 9 | 9 | 8 | 10 | 13 | 14 | 16 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 9 | SSW 9 | — | SSW 8 | — | — | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | NNW 5 | NNW 5 | NNW 4 | — | — | — | — | — | — | — |
| kJ | 49 | 70 | 58 | 43 | — | 14 | — | — | 57 | 60 | 40 | 21 | 21 | 18 | 14 | 9 | 2 | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | N 6 | — | WSW 3 | — | — | — | — | S 7 | SSW 7 | S 11 | SW 11 | — | SSW 7 | SSW 7 | SSW 7 | SSW 7 | — | — | — | — | — | — | — |
| kJ | — | 1 | — | 2 | — | — | — | — | 4 | 18 | 2 | 5 | — | 21 | 10 | 10 | 10 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SW 2 | SW 3 | SW 3 | SSW 9 | S 5 | S 5 | SSW 6 | — | WNW 3 | WNW 4 | NW 5 | NW 5 | NW 5 | WSW 4 | W 3 | WSW 4 | WSW 4 | WSW 5 | WSW 5 | SW 5 | SW 4 | SSW 5 | SSW 6 |
| kJ | — | 2 | 5 | 4 | 77 | 36 | 47 | 65 | — | 3 | 37 | 84 | 53 | 38 | 4 | 5 | 16 | 50 | 74 | 77 | 51 | 40 | 46 | 67 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 139 | 213 | 200 | 222 | 222 | 218 | 208 | 213 | 5 | 254 | 262 | 336 | 251 | 139 | 139 | 139 | 139 | 258 | 259 | 282 | 300 | 152 | 166 | 166 |
Best forecast wave conditions in Isle of Man | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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