Surf Forecasts:
How big are the waves at Crab Island today (04 Aug):
- Afternoon surf: Afternoon surf (04 Aug, local time) - 3.5ft (1.0m), 7s period with WSW swell.
- Evening surf: Evening surf (04 Aug, local time) - 4.5ft (1.3m), 6s period with WSW swell.
The current surf forecast for Crab Island at 9PM is: 1.3m 6s primary swell from a West-southwest direction (forecast issued at 06:00pm August 04). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Aug) | - | - |
| Afternoon (04 Aug) | 3.5ft (1.0m) | 7s |
| Evening (04 Aug) | 4.5ft (1.3m) | 6s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Tue afternoon, min 13°C on Wed night). Winds decreasing (fresh winds from the W on Wed afternoon, calm by Thu night). | |||||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 6 | |||||||||||||||||
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 7 | SW 5 | SW 6 | SW 6 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | W 6 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 108 | 79 | 118 | 109 | 117 | 129 | 192 | 245 | 232 | 187 | 147 | 115 | 92 | 81 | 66 | 62 | 56 | 40 | 29 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 10:49PM8.70m | 11:05AM8.34m | 11:30PM8.31m | 11:51AM7.95m | |||||||||||||||
Low Tide | 4:23PM1.85m | 4:49AM1.92m | 5:02PM2.18m | 5:31AM2.32m | 5:52PM2.60m | ||||||||||||||
 |  |  |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | 9:00 | — | — | — | — | — | — | — | 8:58 | — | — | — | — | — | — | — | 8:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 18 | 17 | 16 | 15 | 16 | 16 | 16 | 17 | 16 | 15 | 13 | 13 | 15 | 16 | 16 | 16 | 15 |
Feels °C | 16 | 16 | 15 | 14 | 13 | 10 | 11 | 10 | 9 | 11 | 11 | 11 | 9 | 10 | 11 | 10 | 10 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 13 | — | W 13 | W 13 | W 11 | W 11 | W 6 | WSW 6 | W 10 | W 10 | W 10 | W 10 |
| kJ | — | — | — | — | — | — | — | 3 | — | 3 | 3 | 2 | 2 | 81 | 66 | 2 | 8 | 8 | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 13 | W 13 | W 11 | W 10 | — | — | SW 12 | SW 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 2 | 2 | — | — | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 13 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 7 | SW 5 | SW 6 | SW 6 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | W 6 | W 6 | — | — | WSW 6 | WSW 6 | W 6 | W 5 |
| kJ | 108 | 79 | 118 | 109 | 117 | 129 | 192 | 245 | 232 | 187 | 147 | 115 | 92 | — | — | 62 | 56 | 40 | 29 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 364 | 364 | 133 | 283 | 393 | 361 | 361 | 361 | 650 | 361 | 219 | 226 | 152 | 320 | 397 | 380 | 361 | 367 | 348 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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