Surf Forecasts:
How big are the waves at Crab Island today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 5ft (1.6m), 8s period with W swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 5.5ft (1.7m), 9s period with W swell.
- Evening surf: Evening surf (18 Aug, local time) - 6ft (1.9m), 10s period with W swell.
The current surf forecast for Crab Island at 3PM is: 1.7m 9s primary swell from a West direction and 0.1m 17s secondary swell from a Southwest direction (forecast issued at 06:00am August 18). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 5ft (1.6m) | 8s |
| Afternoon (18 Aug) | 5.5ft (1.7m) | 9s |
| Evening (18 Aug) | 6ft (1.9m) | 10s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Tue afternoon. Very mild (max 16°C on Tue afternoon, min 12°C on Thu night). Mainly fresh winds. | |||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
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 7 | W 7 | W 8 | W 8 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 235 | 276 | 291 | 331 | 528 | 646 | 824 | 789 | 808 | 740 | 799 | 804 | 821 | 838 | 755 | 739 | 861 | 727 | 528 | 340 | 274 | 227 | 106 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off |
High Tide | 9:40AM3.86m | 9:56PM3.74m | 10:21AM3.58m | 10:42PM3.39m | 11:09AM3.32m | ||||||||||||||||||
Low Tide | 3:32PM0.90m | 3:52AM0.99m | 4:15PM1.23m | 4:35AM1.37m | 5:11PM1.54m | ||||||||||||||||||
 |  | | | |  |  | |  | | |  | | | | | |  |  | | | |  | |
 | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:59 | — | — | — | — | — | — | — | 8:57 | — | — | — | — | — | — | — | 8:54 | — |
mm | — | — | — | — | — | 2 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | — | — | — | — | — | — |
Temp °C | 16 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 16 | 15 | 13 |
Feels °C | 12 | 10 | 11 | 10 | 11 | 10 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 8 | 11 | 10 | 10 | 11 | 10 | 7 |
Swell 1 Height (m) Direction Period (s) | — | — | SW 17 | SW 17 | SW 17 | W 17 | W 17 | SW 17 | SW 17 | — | — | SW 16 | SW 16 | SW 16 | SW 16 | W 10 | SW 16 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 |
| kJ | — | — | 11 | 11 | 11 | 6 | 6 | 12 | 12 | — | — | 10 | 10 | 10 | 10 | 739 | 10 | 727 | 528 | 340 | 274 | 227 | 106 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | — | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | WSW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | 9 | 9 | 8 | 8 | 8 | 14 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 |
Wind waves Height (m) Direction Period (s) | W 7 | W 7 | W 8 | W 8 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | — | W 10 | — | — | — | — | — | NNW 5 |
| kJ | 235 | 276 | 291 | 331 | 528 | 646 | 824 | 789 | 808 | 740 | 799 | 804 | 821 | 838 | 755 | — | 861 | — | — | — | — | — | 32 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 161 | 161 | 328 | 97 | 97 | 97 | 97 | 97 | 293 | 292 | 138 | 293 | 292 | 293 | 174 | 176 | 287 | 172 | 343 | 163 | 175 | 175 | 164 |
Best forecast wave conditions in Clare | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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