Surf Forecasts:
How big are the waves at Crab Island today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.4m), 9s period with WSW 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), 10s period with WSW swell.
The current surf forecast for Crab Island at 4AM is: 0.9m 8s primary swell from a Northwest direction and 0.4m 9s secondary swell from a West-southwest direction, 0.1m 14s secondary swell from a Southwest direction (forecast issued at 12:00am August 21). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.4m) | 9s |
| Afternoon (21 Aug) | 2.5ft (0.7m) | 6s |
| Evening (21 Aug) | 1.5ft (0.4m) | 10s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Fri afternoon, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 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) | WNW 8 | NW 8 | NW 8 | WSW 9 | 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 | W 8 | WSW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 123 | 95 | 78 | 29 | 55 | 40 | 51 | 31 | 31 | 28 | 27 | 26 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 12 | 8 | 7 | 7 | 18 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | on | glassy | cross-off | off | off | cross-off | glassy | on | cross-on | glassy |
High Tide | 11:40PM3.09m | 12:14PM3.12m | 00:58AM2.91m | 1:37PM3.06m | 2:30AM2.94m | 2:59PM3.21m | ||||||||||||||||||
Low Tide | 5:38AM1.69m | 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 | 13 | 13 | 13 | 15 | 16 | 15 | 14 | 12 | 12 | 13 | 13 | 15 | 15 | 15 | 16 | 15 | 14 | 13 | 13 | 16 | 16 | 16 | 15 |
Feels °C | 8 | 8 | 8 | 8 | 11 | 12 | 9 | 9 | 8 | 9 | 10 | 11 | 13 | 12 | 13 | 15 | 12 | 12 | 11 | 11 | 15 | 13 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WSW 9 | WSW 8 | WNW 7 | WSW 9 | NW 6 | WSW 9 | NW 6 | WNW 6 | NW 6 | NW 6 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | W 8 | W 8 | W 8 | W 8 | WSW 10 |
| kJ | 123 | 26 | 23 | 29 | 25 | 40 | 25 | 28 | 25 | 18 | 11 | 26 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 12 | 5 | 5 | 5 | 18 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | SW 14 | SW 14 | WSW 9 | W 16 | WSW 9 | SW 13 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | NW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 5 | WNW 6 | WNW 5 | WNW 5 | WNW 8 | WNW 8 | WNW 8 |
| kJ | 16 | 8 | 7 | 26 | 5 | 25 | 7 | 31 | 31 | 28 | 27 | 8 | 6 | 7 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 7 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | SW 14 | — | — | W 14 | W 13 | SW 13 | W 16 | SW 13 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | W 9 | NW 9 | NW 9 | WNW 9 | NW 5 | W 10 | SW 10 |
| kJ | 8 | — | — | 4 | 3 | 7 | 5 | 7 | 10 | 10 | 10 | 9 | 9 | 8 | 9 | 9 | 9 | 2 | 3 | 3 | 8 | 1 | 2 | 4 |
Wind waves Height (m) Direction Period (s) | — | NW 8 | NW 8 | NW 4 | NW 7 | — | NW 6 | NNE 3 | NNE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 95 | 78 | 16 | 55 | — | 51 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 164 | 376 | 164 | 164 | 164 | 164 | 164 | 11 | 11 | 12 | 12 | 115 | 109 | 108 | 108 | 108 | 107 | 108 | 108 | 108 | 187 | 108 | 67 |
Best forecast wave conditions in Clare | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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