Surf Forecasts:
How big are the waves at Crab Island today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 1.5ft (0.5m), 10s period with W swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 2ft (0.6m), 10s period with WSW swell.
- Evening surf: Evening surf (12 Aug, local time) - 2.5ft (0.7m), 9s period with WSW swell.
The current surf forecast for Crab Island at 1PM is: 0.6m 10s primary swell from a West-southwest direction and 0.3m 3s secondary swell from a East-southeast direction (forecast issued at 06:00am August 12). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 1.5ft (0.5m) | 10s |
| Afternoon (12 Aug) | 2ft (0.6m) | 10s |
| Evening (12 Aug) | 2.5ft (0.7m) | 9s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 32°C on Wed afternoon, min 15°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||||||||
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) | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 40 | 38 | 58 | 77 | 74 | 68 | 86 | 94 | 94 | 124 | 149 | 149 | 133 | 131 | 100 | 98 | 94 | 88 | 84 | 82 | 45 | 71 | 82 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross | off | cross-off | glassy | off | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-off | cross-off | cross-off |
High Tide | 6:47AM9.10m | 7:08PM9.53m | 7:37AM9.48m | 7:55PM9.82m | 8:21AM9.64m | 8:38PM9.89m | |||||||||||||||||
Low Tide | 12:53PM1.33m | 1:26AM1.04m | 1:41PM1.00m | 2:12AM0.82m | 2:23PM0.87m | ||||||||||||||||||
 |  | | | | | | | | |  | | |  |  |  | | | | | | | | |
 | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:43 | — | — | — | — | — | — | — | 8:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 22 | 27 | 32 | 29 | 26 | 24 | 22 | 22 | 24 | 25 | 26 | 23 | 20 | 18 | 18 | 18 | 18 | 20 | 21 | 21 | 17 |
Feels °C | 14 | 14 | 18 | 23 | 28 | 27 | 26 | 24 | 22 | 22 | 24 | 22 | 23 | 21 | 20 | 19 | 19 | 19 | 18 | 18 | 19 | 18 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | W 8 | W 8 |
| kJ | 40 | 38 | 58 | 77 | 74 | 68 | 86 | 94 | 94 | 124 | 149 | 149 | 133 | 131 | 100 | 98 | 94 | 88 | 84 | 82 | 45 | 71 | 82 |
Swell 2 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | — | — | S 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 6 | — | — | — | — | W 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | ESE 2 | ESE 2 | ESE 3 | SE 3 | — | — | — | — | — | — | — | — | W 4 | W 4 | W 4 | WNW 3 | W 4 | — | — | — | WNW 3 | — |
| kJ | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | 9 | 7 | 2 | 2 | 1 | — | — | — | 2 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 20 | 20 | 45 | 20 | 21 | 1 | 0 | 0 | 0 | 0 | 1 | 64 | 361 | 361 | 0 | 0 | 0 | 1 | 1 | 361 | 361 | 20 | 1 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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