Surf Forecasts:
How big are the waves at Crab Island today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 4.5ft (1.3m), 10s period with W swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 4ft (1.2m), 10s period with W swell.
- Evening surf: Evening surf (16 Sep, local time) - 3.5ft (1.1m), 10s period with W swell.
The current surf forecast for Crab Island at 5AM is: 1.3m 9s primary swell from a West-southwest direction (forecast issued at 12:00am September 16). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 4.5ft (1.3m) | 10s |
| Afternoon (16 Sep) | 4ft (1.2m) | 10s |
| Evening (16 Sep) | 3.5ft (1.1m) | 10s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Wed night. Very mild (max 16°C on Tue night, min 13°C on Thu night). Winds increasing (light winds from the NNW on Tue night, strong winds from the SW by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||||||||||
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) | WSW 8 | WSW 8 | WSW 9 | W 10 | W 10 | W 10 | W 10 | W 10 | WSW 5 | WSW 6 | WSW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | WSW 7 | WSW 6 | WSW 7 | WSW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 187 | 252 | 355 | 326 | 296 | 302 | 100 | 250 | 98 | 230 | 350 | 303 | 245 | 245 | 233 | 188 | 220 | 192 | 192 | 166 | 181 | 165 | 331 | 485 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:00AM8.68m | 10:13PM8.45m | 10:28AM8.16m | 10:42PM7.86m | 11:00AM7.58m | |||||||||||||||||||
Low Tide | 3:42AM1.85m | 3:54PM2.00m | 4:07AM2.35m | 4:23PM2.56m | 4:36AM2.93m | 5:00PM3.19m | ||||||||||||||||||
 | |  |  | | | |  | |  |  |  | | | | | | | | | | |  | | |
 | — | 6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:29 | — | — | — | — | — | — | — | 7:27 | — | — | — | — | — | — | — | 7:23 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 14 | 14 | 14 | 14 | 16 | 15 | 15 | 15 | 16 | 15 | 16 | 15 | 15 | 15 | 15 | 14 | 13 | 14 | 14 | 15 | 16 | 16 | 15 | 17 |
Feels °C | 12 | 11 | 11 | 11 | 13 | 10 | 11 | 10 | 10 | 9 | 11 | 10 | 9 | 9 | 9 | 9 | 8 | 10 | 11 | 11 | 11 | 10 | 9 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 9 | W 10 | W 10 | — | W 10 | W 10 | W 10 | W 10 | W 10 | — | — | — | — | W 7 | W 9 | W 10 | W 10 | W 7 | — | W 13 | W 12 | W 12 |
| kJ | 187 | 252 | 355 | 326 | 296 | — | 100 | 242 | 50 | 49 | 8 | — | — | — | — | 188 | 85 | 88 | 51 | 162 | — | 13 | 26 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 10 | — | — | — | — | — | — | — | — | — | — | — | W 10 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 74 | — | — | — | — | — | — | — | — | — | — | — | 50 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | W 10 | W 7 | W 10 | WSW 5 | WSW 6 | WSW 7 | W 7 | W 7 | W 7 | W 7 | — | W 7 | W 7 | W 7 | WSW 7 | WSW 7 | WSW 6 | WSW 7 | WSW 7 |
| kJ | — | — | — | — | — | 302 | 70 | 250 | 98 | 230 | 350 | 303 | 245 | 245 | 233 | — | 220 | 192 | 192 | 166 | 181 | 165 | 331 | 485 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 1 | 1 | 0 | 10 | 224 | 151 | 320 | 320 | 279 | 320 | 320 | 644 | 420 | 361 | 151 | 10 | 136 | 136 | 308 | 361 | 368 | 368 | 320 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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