Surf Forecasts:
How big are the waves at Crab Island today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 0.5ft (0.1m), 11s period with W swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 0.5ft (0.1m), 10s period with W swell.
- Evening surf: Evening surf (21 Jul, local time) - 0.5ft (0.1m), 16s period with W swell.
The current surf forecast for Crab Island at 8AM is: 0.1m 11s primary swell from a West direction and 0.1m 8s secondary swell from a West direction (forecast issued at 12:00am July 21). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 0.5ft (0.1m) | 11s |
| Afternoon (21 Jul) | 0.5ft (0.1m) | 10s |
| Evening (21 Jul) | 0.5ft (0.1m) | 16s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Thu afternoon, min 13°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 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) | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 16 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 2 | 8 | 2 | 8 | 7 | 7 | 7 | 6 | 6 | 2 | 6 | 6 | 6 | 1 | 1 | 1 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | on | cross-on | cross | cross-off | cross-off | off | off | off | off | glassy | cross-on | off | off | off | cross-off | cross-off | cross-on | cross-on | cross | cross-off | cross-off |
High Tide | 11:40PM8.45m | 12:03PM7.96m | 00:23AM7.94m | 12:51PM7.52m | 1:15AM7.47m | 1:53PM7.20m | ||||||||||||||||||
Low Tide | 5:48AM2.25m | 6:03PM2.48m | 6:32AM2.72m | 6:55PM2.92m | 7:29AM3.13m | 8:02PM3.24m | ||||||||||||||||||
 | |  | | | | | | | | |  |  | | | | | | | | | | |  | |
 | — | 5:22 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:21 | — | — | — | — | — | — | — | 9:19 | — | — | — | — | — | — | — | 9:17 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 17 | 16 | 17 | 20 | 22 | 21 | 18 | 18 | 15 | 13 | 16 | 18 | 22 | 22 | 20 | 20 | 18 | 16 | 18 | 21 | 22 | 23 | 20 |
Feels °C | 17 | 16 | 14 | 16 | 18 | 20 | 17 | 15 | 15 | 13 | 11 | 15 | 18 | 20 | 20 | 17 | 18 | 17 | 15 | 17 | 20 | 19 | 21 | 18 |
Swell 1 Height (m) Direction Period (s) | NW 3 | — | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | WNW 4 | WNW 4 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | NW 4 | NW 4 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 |
| kJ | 2 | — | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 8 | 7 | 7 | 7 | 6 | 2 | 1 | 6 | 6 | 6 | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 7 | W 10 | W 10 | — | — | — | — | — | — | W 9 | W 9 | — | W 15 | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 8 | — | — | — | — | — | — | 6 | 2 | — | 4 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 11 | W 11 | — | — | — | — | — | W 16 | W 7 | W 7 | W 7 | W 7 | — | — | — | — | — | — | W 15 | — | — | — | — | — |
| kJ | 2 | 2 | — | — | — | — | — | 5 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | 4 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NW 3 | NW 3 | NNW 3 | NNW 4 | NNW 4 | NNW 4 | NNW 3 | — | NW 3 | NW 4 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 2 | 4 | 1 | 2 | 3 | 1 | 1 | — | 3 | 7 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 127 | 86 | 135 | 135 | 903 | 898 | 196 | 196 | 196 | 196 | 196 | 395 | 420 | 473 | 380 | 374 | 348 | 86 | 86 | 127 | 153 | 202 | 202 | 367 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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