Surf Forecasts:
How big are the waves at Crab Island today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 1.5ft (0.5m), 7s period with WSW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 1.5ft (0.5m), 7s period with W swell.
- Evening surf: Evening surf (21 Sep, local time) - 1.5ft (0.4m), 7s period with WSW swell.
The current surf forecast for Crab Island at 7AM is: 0.6m 7s primary swell from a West-southwest direction (forecast issued at 12:00am September 21). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 1.5ft (0.5m) | 7s |
| Afternoon (21 Sep) | 1.5ft (0.5m) | 7s |
| Evening (21 Sep) | 1.5ft (0.4m) | 7s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Wed morning. Warm (max 20°C on Tue afternoon, min 14°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the NNW by Wed afternoon). | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 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) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 9 | W 12 | W 12 | W 11 | W 11 | WSW 11 | WSW 14 | WSW 14 | WSW 14 | W 13 | WSW 13 | W 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 40 | 38 | 37 | 27 | 26 | 24 | 15 | 15 | 16 | 17 | 17 | 18 | 40 | 98 | 98 | 125 | 116 | 153 | 120 | 158 | 143 | 125 | 176 | 146 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | off |
High Tide | 2:17AM6.46m | 3:12PM6.83m | 3:50AM6.89m | 4:24PM7.46m | 4:52AM7.58m | 5:14PM8.15m | ||||||||||||||||||
Low Tide | 8:47AM4.13m | 9:31PM3.73m | 10:08AM3.56m | 10:35PM3.06m | 11:02AM2.86m | |||||||||||||||||||
 | |  | |  | | |  | | | | | | |  | | | |  |  |  | | | | |
 | — | 6:58 | — | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — |
 | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 19 | 20 | 19 | 19 | 18 | 17 | 17 | 17 | 14 | 15 | 14 | 12 |
Feels °C | 13 | 13 | 13 | 15 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 19 | 19 | 19 | 20 | 18 | 17 | 17 | 16 | 9 | 9 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | W 9 | W 12 | W 12 | W 11 | W 11 | WSW 11 | W 10 | W 9 | WSW 14 | W 13 | WSW 13 | W 12 |
| kJ | 40 | 38 | 37 | 27 | 26 | 24 | 15 | 15 | 16 | 17 | 17 | 18 | 40 | 98 | 98 | 125 | 116 | 153 | 104 | 64 | 143 | 125 | 176 | 146 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | — | — | — | — | — | — | — | — | — | — | — | WSW 12 | W 20 | W 19 | WSW 17 | WSW 16 | W 15 | WSW 14 | WSW 14 | W 9 | W 8 | W 4 | WNW 4 |
| kJ | 17 | — | — | — | — | — | — | — | — | — | — | — | 14 | 8 | 28 | 59 | 86 | 121 | 120 | 158 | 38 | 33 | 10 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 2 | W 3 | WNW 4 | NNW 4 | NNW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | 13 | 13 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 15 | 51 | 94 | 133 | 189 | 190 | 86 | 86 | 86 | 86 | 72 | 45 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 224 | 151 | 138 | 0 |
Best forecast wave conditions in Wales - Gower | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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