Surf Forecasts:
How big are the waves at Castletown today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 3ft (0.9m), 4s period with W swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2.5ft (0.7m), 4s period with WSW swell.
- Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.7m), 4s period with WSW swell.
The current surf forecast for Castletown at 5PM is: 0.7m 4s primary swell from a West-southwest direction (forecast issued at 12:00pm August 18). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 3ft (0.9m) | 4s |
| Afternoon (18 Aug) | 2.5ft (0.7m) | 4s |
| Evening (18 Aug) | 2.5ft (0.7m) | 4s |
Table - waves today at Castletown. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Tue night. Very mild (max 17°C on Tue afternoon, min 13°C on Thu night). Winds decreasing (fresh winds from the NNE on Thu morning, light winds from the N by Thu night). | |||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||
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) | W 4 | SSW 5 | WSW 4 | WSW 4 | WSW 4 | WSW 5 | WSW 5 | WSW 4 | WSW 4 | SW 4 | SW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 5 | S 15 | SSW 5 | SSW 5 | S 14 | S 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 29 | 9 | 14 | 9 | 14 | 45 | 56 | 39 | 29 | 27 | 21 | 33 | 25 | 23 | 17 | 11 | 5 | 2 | 3 | 4 | 4 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off |
High Tide | 3:54PM4.51m | 4:11AM4.64m | 4:37PM4.27m | 4:59AM4.28m | 5:28PM4.04m | ||||||||||||||||
Low Tide | 9:43AM0.68m | 9:56PM0.95m | 10:25AM1.02m | 10:42PM1.26m | 11:12AM1.39m | ||||||||||||||||
 | | | |  | | | |  | |  |  | |  |  |  | | | | |  | |
 | 6:00 | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | 8:43 | — | — | — | — | — | — | — | 8:40 | — | — | — | — | — | — | — | 8:37 | — |
mm | — | — | — | — | 2 | 3 | 1 | — | — | — | — | 1 | 1 | — | 1 | 2 | — | — | — | — | — |
Temp °C | 16 | 16 | 17 | 17 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 14 |
Feels °C | 12 | 13 | 13 | 13 | 9 | 9 | 9 | 9 | 9 | 11 | 12 | 13 | 13 | 14 | 10 | 10 | 8 | 10 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SSW 5 | SSW 5 | NW 4 | NNW 4 | S 7 | — | — | — | — | — | — | — | SSW 5 | SSW 5 | SSW 6 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SW 6 | SW 6 |
| kJ | 10 | 9 | 3 | 2 | 1 | — | — | — | — | — | — | — | 25 | 23 | 17 | 11 | 5 | 2 | 3 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | — | SSW 6 | — | — | — | — | — | — | — | — | — | — | — | S 16 | S 15 | S 15 | S 15 | — | — | S 14 | S 14 |
| kJ | — | 4 | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 4 | 4 | — | — | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 15 | S 15 | — | — | — | S 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | W 4 | W 4 | WSW 4 | WSW 4 | WSW 4 | WSW 5 | WSW 5 | WSW 4 | WSW 4 | SW 4 | SW 4 | SSW 5 | — | — | NW 3 | N 3 | NNE 4 | NNE 4 | N 4 | NNW 5 | NNW 4 |
| kJ | 29 | 17 | 14 | 9 | 14 | 45 | 56 | 39 | 29 | 27 | 21 | 33 | — | — | 6 | 8 | 28 | 39 | 25 | 48 | 28 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 139 | 139 | 408 | 277 | 180 | 180 | 180 | 180 | 171 | 171 | 166 | 166 | 152 | 200 | 169 | 169 | 180 | 233 | 267 | 233 | 205 |
Best forecast wave conditions in Isle of Man | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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