Surf Forecasts:
How big are the waves at Crab Island today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 4.5ft (1.4m), 9s period with WSW swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 5.5ft (1.7m), 6s period with WSW swell.
- Evening surf: Evening surf (30 Aug, local time) - 6ft (1.8m), 8s period with WSW swell.
The current surf forecast for Crab Island at 3PM is: 1.7m 6s primary swell from a West-southwest direction (forecast issued at 06:00am August 30). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 4.5ft (1.4m) | 9s |
| Afternoon (30 Aug) | 5.5ft (1.7m) | 6s |
| Evening (30 Aug) | 6ft (1.8m) | 8s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Sun night. Very mild (max 18°C on Sun morning, min 14°C on Sun night). Winds decreasing (fresh winds from the SW on Sun night, light winds from the WSW by Mon night). | |||||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||||
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 9 | WSW 9 | WSW 9 | WSW 9 | WSW 6 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | W 9 | WSW 9 | WSW 10 | WSW 9 | WSW 10 | WSW 10 | W 10 | WSW 9 | W 9 | WSW 9 | WSW 8 | WSW 5 | WSW 5 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 426 | 304 | 267 | 280 | 253 | 336 | 476 | 537 | 677 | 690 | 721 | 589 | 540 | 418 | 327 | 276 | 185 | 173 | 127 | 137 | 125 | 39 | 32 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross-on |
High Tide | 8:25AM9.34m | 8:42PM9.58m | 8:57AM9.36m | 9:15PM9.49m | 9:28AM9.22m | 9:48PM9.24m | |||||||||||||||||
Low Tide | 2:12AM1.13m | 2:23PM1.21m | 2:43AM1.09m | 2:54PM1.23m | 3:14AM1.21m | 3:24PM1.39m | |||||||||||||||||
 |  |  |  |  | |  |  |  |  | | | | |  |  | | | | | | | | |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:02 | — |
mm | 1 | — | 1 | 1 | 5 | 1 | 6 | 3 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 17 | 17 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 |
Feels °C | 14 | 15 | 14 | 13 | 12 | 12 | 10 | 12 | 10 | 9 | 10 | 10 | 11 | 12 | 13 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 9 | WSW 9 | — | — | — | — | — | — | — | — | — | — | WSW 9 | WSW 10 | WSW 10 | W 10 | WSW 9 | W 9 | — | W 18 | WSW 8 | WSW 8 |
| kJ | 304 | 304 | 197 | — | — | — | — | — | — | — | — | — | — | 418 | 327 | 276 | 179 | 173 | 127 | — | 6 | 22 | 13 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 17 | SW 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 11 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 9 | — | WSW 9 | WSW 9 | WSW 6 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | W 9 | WSW 9 | WSW 10 | — | — | — | WSW 9 | — | — | WSW 9 | WSW 8 | WSW 5 | WSW 5 |
| kJ | 426 | — | 267 | 280 | 253 | 336 | 476 | 537 | 677 | 690 | 721 | 589 | 540 | — | — | — | 185 | — | — | 137 | 125 | 39 | 32 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 74 | 68 | 273 | 423 | 361 | 176 | 74 | 50 | 650 | 116 | 119 | 50 | 50 | 144 | 112 | 68 | 1 | 1 | 133 | 182 | 183 | 125 | 122 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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