Surf Forecasts:
How big are the waves at Crab Island today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 11ft (3.5m), 10s period with W swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 11ft (3.5m), 9s period with W swell.
- Evening surf: Evening surf (21 Oct, local time) - 8ft (2.5m), 9s period with WSW swell.
The current surf forecast for Crab Island at 7AM is: 2.5m 8s primary swell from a West direction (forecast issued at 12:00am October 21). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 11ft (3.5m) | 10s |
| Afternoon (21 Oct) | 11ft (3.5m) | 9s |
| Evening (21 Oct) | 8ft (2.5m) | 9s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Tue night. Very mild (max 14°C on Thu afternoon, min 8°C on Fri morning). Winds increasing (light winds from the WSW on Thu morning, gales from the NW by Fri morning). | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||||
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) | SW 5 | WSW 7 | W 8 | W 10 | W 10 | W 9 | W 9 | WSW 8 | WSW 8 | W 8 | WSW 8 | W 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SW 9 | W 10 | W 11 | W 10 | W 9 | W 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 25 | 147 | 826 | 2298 | 2105 | 1726 | 1315 | 782 | 521 | 509 | 588 | 687 | 600 | 472 | 336 | 280 | 222 | 244 | 360 | 1915 | 2586 | 1702 | 1412 | 1204 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross | cross-on | on | cross-on | cross-on | cross-on | cross | 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 | 2 | 7 | 2 | 1 | — | 1 | 1 | 1 | 3 | 1 | — | — | — | — | 2 | 6 | 3 | 1 | 1 | 2 | 2 | — | — | — |
Temp °C | 12 | 11 | 9 | 10 | 11 | 12 | 12 | 11 | 12 | 11 | 11 | 12 | 13 | 14 | 13 | 13 | 14 | 12 | 11 | 8 | 10 | 11 | 11 | 11 |
Feels °C | 7 | 5 | -1 | 0 | 0 | 1 | 3 | 5 | 5 | 5 | 5 | 6 | 8 | 10 | 6 | 5 | 7 | 8 | 5 | -7 | -3 | -1 | 0 | 1 |
Swell 1 Height (m) Direction Period (s) | W 6 | WSW 7 | — | — | — | — | W 12 | W 8 | WSW 12 | W 11 | W 10 | W 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SW 9 | WSW 15 | SW 15 | — | — | — |
| kJ | 20 | 147 | — | — | — | — | 243 | 732 | 29 | 163 | 231 | 687 | 600 | 472 | 336 | 280 | 222 | 244 | 360 | 398 | 109 | — | — | — |
Swell 2 Height (m) Direction Period (s) | WSW 11 | W 13 | — | — | — | — | — | W 12 | WSW 13 | — | — | — | — | — | — | — | — | SSE 4 | ESE 3 | — | — | — | — | — |
| kJ | 22 | 4 | — | — | — | — | — | 271 | 55 | — | — | — | — | — | — | — | — | 10 | 1 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 13 | W 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | — | — | — | — | — | — |
| kJ | 14 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | — | W 8 | W 10 | W 10 | W 9 | W 9 | WSW 8 | WSW 8 | W 8 | WSW 8 | WSW 10 | WSW 10 | — | SE 3 | SE 3 | SE 4 | — | WNW 4 | W 10 | W 11 | W 10 | W 9 | W 9 |
| kJ | 25 | — | 826 | 2298 | 2105 | 1726 | 1315 | 782 | 521 | 509 | 588 | 651 | 408 | — | 2 | 5 | 24 | — | 17 | 1915 | 2586 | 1702 | 1412 | 1204 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 102 | 30 | 364 | 326 | 393 | 385 | 279 | 419 | 224 | 50 | 50 | 50 | 112 | 39 | 99 | 289 | 441 | 18 | 99 | 386 | 364 | 665 | 907 | 583 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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