Surf Forecasts:
How big are the waves at Crab Island today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 6ft (1.8m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 4.5ft (1.4m), 9s period with WNW swell.
- Evening surf: Evening surf (20 Aug, local time) - 4ft (1.2m), 9s period with WNW swell.
The current surf forecast for Crab Island at 2PM is: 1.4m 9s primary swell from a West-northwest direction and 0.1m 15s secondary swell from a Southwest direction (forecast issued at 06:00am August 20). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 6ft (1.8m) | 10s |
| Afternoon (20 Aug) | 4.5ft (1.4m) | 9s |
| Evening (20 Aug) | 4ft (1.2m) | 9s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Very mild (max 16°C on Thu morning, min 11°C on Fri night). Winds decreasing (fresh winds from the N on Thu afternoon, calm by Sat morning). | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | NW 9 | WNW 8 | WNW 8 | NW 8 | NW 7 | NW 7 | NW 6 | NW 6 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 752 | 727 | 539 | 391 | 287 | 249 | 178 | 123 | 84 | 78 | 60 | 49 | 42 | 46 | 31 | 31 | 28 | 27 | 26 | 16 | 15 | 15 | 15 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-off |
High Tide | 11:09AM3.32m | 11:40PM3.09m | 12:14PM3.12m | 00:58AM2.91m | 1:37PM3.06m | ||||||||||||||||||
Low Tide | 4:35AM1.37m | 5:11PM1.54m | 5:38AM1.69m | 6:48PM1.74m | 7:28AM1.82m | 8:36PM1.66m | |||||||||||||||||
 |  |  |  |  | |  |  |  | | | | | | | | | | | | | | | |
 | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:54 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — |
mm | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 16 | 16 | 15 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 13 | 12 | 11 | 12 | 13 | 14 | 14 | 15 | 16 |
Feels °C | 10 | 9 | 8 | 11 | 10 | 8 | 7 | 9 | 8 | 8 | 8 | 10 | 10 | 9 | 8 | 8 | 8 | 10 | 12 | 12 | 10 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | NW 9 | WNW 8 | WNW 8 | WSW 8 | WSW 9 | NW 7 | WSW 9 | WSW 9 | NW 6 | WNW 6 | NW 6 | NW 6 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 |
| kJ | 752 | 727 | 539 | 391 | 287 | 249 | 178 | 123 | 84 | 23 | 26 | 49 | 25 | 25 | 28 | 24 | 16 | 8 | 26 | 16 | 15 | 15 | 15 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | WSW 9 | WSW 9 | WSW 9 | W 14 | W 14 | WSW 9 | SW 13 | SW 13 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | NW 6 | WNW 6 | SW 15 | SW 15 | WNW 3 |
| kJ | 10 | 9 | 9 | 8 | 8 | 8 | 16 | 16 | 26 | 4 | 4 | 25 | 7 | 7 | 31 | 31 | 28 | 27 | 8 | 6 | 8 | 9 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 14 | SW 14 | SW 14 | — | W 17 | W 16 | W 16 | W 16 | SW 13 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | W 10 | W 10 | WNW 6 |
| kJ | — | — | — | — | — | — | 8 | 8 | 8 | — | 5 | 5 | 5 | 5 | 7 | 10 | 10 | 10 | 9 | 9 | 2 | 2 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NW 8 | NW 7 | — | NW 6 | NW 6 | NNE 3 | NNE 3 | NNE 2 | — | — | — | WNW 6 | NW 5 | — |
| kJ | — | — | — | — | — | — | — | — | — | 78 | 60 | — | 42 | 46 | 1 | 1 | 1 | — | — | — | 6 | 7 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 328 | 325 | 351 | 393 | 969 | 175 | 164 | 12 | 164 | 164 | 164 | 164 | 164 | 164 | 12 | 11 | 11 | 12 | 12 | 108 | 108 | 107 | 108 |
Best forecast wave conditions in Clare | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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