Surf Forecasts:
How big are the waves at Crab Island today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.8m), 7s period with NW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.7m), 6s period with NW swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.4m), 9s period with WSW swell.
The current surf forecast for Crab Island at 7PM is: 0.7m 6s primary swell from a Northwest direction and 0.4m 9s secondary swell from a West-southwest direction (forecast issued at 12:00pm August 21). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.8m) | 7s |
| Afternoon (21 Aug) | 2.5ft (0.7m) | 6s |
| Evening (21 Aug) | 1.5ft (0.4m) | 9s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sun afternoon, min 12°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||
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) | 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 | WSW 9 | WSW 9 | WSW 9 | W 8 | WNW 9 | W 8 | WSW 10 | WSW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 60 | 47 | 47 | 40 | 31 | 31 | 28 | 27 | 26 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 12 | 8 | 7 | 18 | 17 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-off | off | off | off | glassy | cross-on | cross-on | cross |
High Tide | 12:14PM3.12m | 00:58AM2.91m | 1:37PM3.06m | 2:30AM2.94m | 2:59PM3.21m | ||||||||||||||||
Low Tide | 6:48PM1.74m | 7:28AM1.82m | 8:36PM1.66m | 8:59AM1.69m | 9:40PM1.42m | ||||||||||||||||
 |  | |  |  | | | | | | | | | | | | | | | | | |
 | 6:26 | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:47 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 16 | 15 | 14 | 13 | 12 | 13 | 13 | 15 | 16 | 17 | 17 | 15 | 14 | 13 | 13 | 16 | 18 | 17 | 17 |
Feels °C | 8 | 10 | 11 | 9 | 9 | 10 | 9 | 11 | 10 | 13 | 13 | 14 | 15 | 12 | 12 | 11 | 12 | 15 | 16 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 9 | WSW 9 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | W 8 | WSW 8 | W 8 | WSW 10 | WNW 8 |
| kJ | 26 | 25 | 25 | 40 | 29 | 18 | 18 | 11 | 26 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 12 | 7 | 5 | 18 | 6 |
Swell 2 Height (m) Direction Period (s) | W 14 | W 16 | SW 13 | WSW 9 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | NW 6 | WNW 6 | SW 15 | SW 15 | SW 15 | WNW 6 | WNW 6 | WNW 6 | WNW 5 | WNW 5 | WNW 8 | WNW 8 | WSW 9 |
| kJ | 4 | 5 | 7 | 25 | 31 | 31 | 28 | 27 | 8 | 6 | 8 | 9 | 9 | 3 | 3 | 3 | 3 | 3 | 7 | 6 | 17 |
Swell 3 Height (m) Direction Period (s) | W 17 | W 13 | W 16 | SW 13 | SW 13 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | W 10 | W 10 | W 10 | SW 15 | W 9 | NW 9 | NW 9 | WNW 9 | WNW 5 | NW 5 | SW 10 |
| kJ | 5 | 3 | 5 | 7 | 7 | 10 | 10 | 10 | 9 | 9 | 2 | 2 | 2 | 9 | 2 | 3 | 3 | 8 | 3 | 1 | 4 |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 7 | NW 6 | NNE 3 | NNE 3 | NE 3 | — | — | — | — | WNW 6 | WNW 6 | WNW 6 | — | — | — | — | — | — | — | — |
| kJ | 60 | 47 | 47 | 2 | 3 | 1 | — | — | — | — | 7 | 7 | 7 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 164 | 164 | 164 | 164 | 164 | 12 | 12 | 12 | 12 | 145 | 109 | 108 | 107 | 107 | 107 | 107 | 107 | 108 | 163 | 108 | 107 |
Best forecast wave conditions in Clare | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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