Surf Forecasts:
How big are the waves at Crab Island today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 11ft (3.5m), 9s period with W swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 10ft (3.0m), 9s period with W swell.
- Evening surf: Evening surf (21 Oct, local time) - 8ft (2.5m), 8s period with WSW swell.
The current surf forecast for Crab Island at 10AM is: 3.5m 9s primary swell from a West direction (forecast issued at 06:00am October 21). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 11ft (3.5m) | 9s |
| Afternoon (21 Oct) | 10ft (3.0m) | 9s |
| Evening (21 Oct) | 8ft (2.5m) | 8s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Thu night. Very mild (max 14°C on Thu afternoon, min 9°C on Fri morning). Winds increasing (light winds from the SSE on Thu afternoon, gales from the NW by Fri morning). | |||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||||||||||
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 7 | WSW 7 | W 9 | W 9 | W 9 | W 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | W 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SW 9 | SW 11 | WSW 16 | W 13 | W 12 | W 8 | W 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 163 | 547 | 1914 | 1862 | 1652 | 1068 | 763 | 509 | 509 | 616 | 682 | 497 | 383 | 280 | 237 | 190 | 294 | 715 | 2472 | 4428 | 2796 | 1331 | 1009 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-off | cross-off | cross-off | cross | cross | on | cross-on | cross-on | cross-on | cross | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:00AM6.87m | 3:35PM7.41m | 4:06AM7.50m | 4:30PM8.06m | 4:55AM8.16m | 5:15PM8.66m | |||||||||||||||||
Low Tide | 9:21AM3.69m | 9:51PM3.16m | 10:18AM3.03m | 10:41PM2.51m | 11:03AM2.40m | ||||||||||||||||||
 | |  |  |  | | |  |  |  |  | | | |  | | | | |  | | |  | |
 | — | 7:48 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — |
 | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | 5 | 2 | 1 | — | — | 1 | 1 | 3 | 1 | — | — | — | — | 1 | 6 | 6 | 1 | 1 | 3 | 3 | — | — | — |
Temp °C | 12 | 10 | 10 | 11 | 12 | 12 | 11 | 12 | 11 | 11 | 12 | 13 | 14 | 12 | 13 | 14 | 12 | 12 | 9 | 10 | 10 | 11 | 11 |
Feels °C | 7 | 1 | 0 | -1 | 2 | 4 | 4 | 5 | 4 | 6 | 7 | 8 | 10 | 5 | 5 | 8 | 7 | 8 | -5 | -3 | -2 | 0 | 1 |
Swell 1 Height (m) Direction Period (s) | W 13 | — | — | — | — | W 12 | W 12 | WSW 13 | W 12 | WSW 10 | W 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SW 9 | SW 11 | WSW 16 | — | — | — | W 12 |
| kJ | 4 | — | — | — | — | 243 | 224 | 55 | 139 | 294 | 682 | 497 | 383 | 280 | 237 | 190 | 294 | 715 | 2472 | — | — | — | 279 |
Swell 2 Height (m) Direction Period (s) | W 16 | — | — | — | — | — | — | W 12 | — | — | — | — | — | — | — | WSW 11 | SSE 4 | WSW 17 | SW 12 | — | — | — | — |
| kJ | 5 | — | — | — | — | — | — | 134 | — | — | — | — | — | — | — | 24 | 2 | 200 | 449 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | — | — | — | — | — |
| kJ | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | W 9 | W 9 | W 9 | W 8 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 10 | — | — | SE 2 | SE 3 | SSE 4 | SE 3 | — | NW 5 | W 13 | W 12 | W 8 | W 9 |
| kJ | 163 | 547 | 1914 | 1862 | 1652 | 1068 | 763 | 509 | 509 | 616 | 631 | — | — | 2 | 8 | 18 | 3 | — | 165 | 4428 | 2796 | 1331 | 1009 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 39 | 364 | 393 | 393 | 364 | 279 | 437 | 50 | 279 | 50 | 50 | 50 | 39 | 114 | 307 | 222 | 20 | 0 | 386 | 351 | 364 | 779 | 656 |
Best forecast wave conditions in Wales - Gower | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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