Surf Forecasts:
How big are the waves at Crab Island today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 1.5ft (0.4m), 8s period with WSW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 5ft (1.6m), 6s period with WSW swell.
- Evening surf: Evening surf (10 Sep, local time) - 7ft (2.2m), 8s period with WSW swell.
The current surf forecast for Crab Island at 4AM is: 0.7m 8s primary swell from a West-southwest direction and 0.1m 13s secondary swell from a West direction (forecast issued at 12:00am September 10). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 1.5ft (0.4m) | 8s |
| Afternoon (10 Sep) | 5ft (1.6m) | 6s |
| Evening (10 Sep) | 7ft (2.2m) | 8s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Very mild (max 18°C on Sat afternoon, min 14°C on Wed night). Winds increasing (light winds from the WSW on Wed night, strong winds from the SW by Thu afternoon). | ||||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||||||||||
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) | WSW 8 | WSW 8 | WSW 8 | SW 5 | SW 5 | WSW 6 | WSW 8 | WSW 8 | W 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | W 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 49 | 52 | 32 | 23 | 82 | 279 | 545 | 528 | 405 | 367 | 307 | 271 | 206 | 169 | 137 | 131 | 96 | 125 | 161 | 119 | 207 | 311 | 330 | 302 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 6:36AM9.24m | 6:54PM9.63m | 7:20AM9.57m | 7:36PM9.85m | 7:58AM9.68m | 8:13PM9.85m | ||||||||||||||||||
Low Tide | 00:27AM1.35m | 12:42PM1.26m | 1:11AM0.99m | 1:23PM0.98m | 1:50AM0.87m | 1:58PM0.91m | ||||||||||||||||||
 |  |  | | | |  | | |  |  | | |  | | | | | | | | | | | |
 | — | 6:41 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:40 | — | — | — | — | — | — | — | 7:37 | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 17 | 17 | 17 | 17 | 17 | 17 | 15 | 16 | 17 | 17 | 16 | 15 | 15 | 15 | 16 | 17 | 17 | 17 | 18 | 18 |
Feels °C | 12 | 11 | 11 | 11 | 12 | 11 | 13 | 13 | 14 | 15 | 14 | 15 | 15 | 14 | 14 | 14 | 13 | 12 | 12 | 13 | 12 | 13 | 15 | 16 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 12 | W 11 | — | WSW 8 | W 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | W 8 | W 8 | — | — | — | W 8 |
| kJ | 49 | 52 | 32 | 19 | 3 | 2 | — | 528 | 405 | 367 | 307 | 271 | 206 | 169 | 137 | 131 | 96 | 76 | 48 | 33 | — | — | — | 291 |
Swell 2 Height (m) Direction Period (s) | W 13 | W 13 | W 12 | W 12 | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 4 | SW 5 | SW 5 | WSW 6 | WSW 8 | — | — | — | — | — | — | — | — | — | — | WSW 8 | WSW 8 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 |
| kJ | — | — | 9 | 23 | 82 | 279 | 545 | — | — | — | — | — | — | — | — | — | — | 125 | 161 | 119 | 207 | 311 | 330 | 302 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 121 | 97 | 275 | 320 | 205 | 205 | 125 | 120 | 49 | 0 | 0 | 1 | 64 | 20 | 112 | 102 | 119 | 183 | 148 | 320 | 368 | 133 | 144 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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