Surf Forecasts:
How big are the waves at Crab Island today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 6.5ft (2.0m), 9s period with W swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 5.5ft (1.7m), 10s period with WSW swell.
- Evening surf: Evening surf (31 Aug, local time) - 5ft (1.5m), 10s period with WSW swell.
The current surf forecast for Crab Island at 5PM is: 1.7m 10s primary swell from a West-southwest direction (forecast issued at 12:00pm August 31). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 6.5ft (2.0m) | 9s |
| Afternoon (31 Aug) | 5.5ft (1.7m) | 10s |
| Evening (31 Aug) | 5ft (1.5m) | 10s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Very mild (max 18°C on Wed afternoon, min 15°C on Mon morning). Winds increasing (light winds from the W on Mon night, fresh winds from the SW by Wed afternoon). | |||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||
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) | WSW 9 | WSW 10 | WSW 10 | W 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | W 9 | WSW 9 | WSW 8 | WSW 5 | WSW 5 | WSW 5 | WSW 6 | WSW 5 | WSW 5 | WSW 5 | WSW 6 | WSW 7 | WSW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 653 | 614 | 551 | 492 | 383 | 276 | 153 | 173 | 127 | 111 | 103 | 32 | 27 | 22 | 34 | 32 | 42 | 71 | 218 | 204 | 191 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:57AM9.36m | 9:15PM9.49m | 9:28AM9.22m | 9:48PM9.24m | 10:01AM8.93m | ||||||||||||||||
Low Tide | 2:54PM1.23m | 3:14AM1.21m | 3:24PM1.39m | 3:45AM1.48m | 3:57PM1.70m | ||||||||||||||||
 | | | |  |  |  |  |  | | | | | | |  | | |  | | | |
 | 6:24 | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | — |
Temp °C | 15 | 16 | 17 | 17 | 16 | 16 | 16 | 15 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 17 |
Feels °C | 10 | 11 | 12 | 13 | 12 | 13 | 14 | 13 | 14 | 13 | 13 | 14 | 16 | 15 | 15 | 15 | 14 | 12 | 14 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | — | — | — | W 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | W 9 | — | W 18 | WSW 8 | WSW 8 | WSW 8 | SW 16 | W 8 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 |
| kJ | — | — | — | 484 | 383 | 276 | 153 | 173 | 127 | — | 6 | 22 | 13 | 20 | 10 | 5 | 10 | 10 | 10 | 9 | 9 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 17 | SW 16 | SW 16 | — | SW 16 | W 16 | — | — | — | SW 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 6 | 11 | 10 | — | 10 | 5 | — | — | — | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 9 | WSW 10 | WSW 10 | WSW 10 | — | — | — | — | — | WSW 9 | WSW 8 | WSW 5 | WSW 5 | WSW 5 | WSW 6 | WSW 5 | WSW 5 | WSW 5 | WSW 6 | WSW 7 | WSW 7 |
| kJ | 653 | 614 | 551 | 492 | — | — | — | — | — | 111 | 103 | 32 | 27 | 22 | 34 | 32 | 42 | 71 | 218 | 204 | 191 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 361 | 120 | 50 | 144 | 136 | 49 | 49 | 1 | 112 | 133 | 183 | 133 | 122 | 102 | 102 | 121 | 320 | 416 | 427 | 133 | 133 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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