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 8AM is: 1.6m 8s primary swell from a West direction and 0.1m 16s secondary swell from a West direction (forecast issued at 12:00am 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 ForecastLight rain (total 9mm), mostly falling on Tue afternoon. Very mild (max 17°C on Mon night, min 14°C on Wed night). Mainly strong winds. | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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 7 | W 7 | W 8 | W 8 | W 8 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 9 | 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 | 183 | 235 | 249 | 291 | 331 | 461 | 632 | 745 | 789 | 976 | 956 | 1039 | 983 | 1024 | 947 | 922 | 830 | 783 | 640 | 452 | 348 | 280 | 213 | 103 |
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 | on | 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 | 3:15AM0.60m | 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 | — | — | — | — | — | — | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | — | 1 | — | 1 | — | — | — | — | — | — |
Temp °C | 16 | 16 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 16 | 15 | 13 |
Feels °C | 12 | 12 | 11 | 11 | 10 | 11 | 10 | 10 | 10 | 9 | 8 | 9 | 11 | 11 | 10 | 10 | 10 | 11 | 10 | 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 16 | SW 16 | SW 16 | SW 16 | SW 16 | W 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 |
| kJ | — | — | — | 11 | 11 | 11 | 6 | 6 | 12 | — | — | — | 10 | 10 | 10 | 10 | 10 | 783 | 640 | 452 | 348 | 280 | 213 | 103 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 9 | 9 | 8 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 7 | W 8 | W 8 | W 8 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | — | — | — | — | — | — | NNW 5 |
| kJ | 183 | 235 | 249 | 291 | 331 | 461 | 632 | 745 | 789 | 976 | 956 | 1039 | 983 | 1024 | 947 | 922 | 830 | — | — | — | — | — | — | 31 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 591 | 101 | 343 | 328 | 97 | 680 | 617 | 97 | 97 | 293 | 292 | 292 | 264 | 292 | 219 | 174 | 183 | 215 | 283 | 343 | 164 | 184 | 164 | 164 |
Best forecast wave conditions in Clare | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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