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Surf Forecasts:
Crab Island surfForecast / Clare / Ireland
48hr Weather and Surf, issued 12 pm Friday 15 May 2026 ISTForecast update in hr min s Forecast update imminent
Crab Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Crab Island sea temperature is
11.3° C
(Which is normal for this time of year)How big are the waves at Crab Island today?
The current surf forecast for Crab Island at 5PM is: 0.8m 8s primary swell from a West-northwest direction and 0.3m 9s secondary swell from a West direction, 0.1m 14s secondary swell from a Southwest direction (forecast issued at 12:00pm May 15). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 2ft (0.6m) | 8s |
| Afternoon (15 May) | 2.5ft (0.8m) | 8s |
| Evening (15 May) | 2.5ft (0.8m) | 8s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Sun afternoon. Very mild (max 11°C on Fri night, min 9°C on Fri afternoon). Winds increasing (light winds from the SW on Fri afternoon, strong winds from the W by Sat night). | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 7 | WNW 8 | WNW 8 | W 8 | WNW 8 | W 7 | W 7 | W 7 | WNW 5 | W 7 | W 13 | W 12 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | |
43 | 77 | 75 | 55 | 75 | 112 | 108 | 76 | 93 | 152 | 835 | 1080 | 2157 | 2232 | 2371 | 2444 | 2201 | 2074 | 1944 | 1959 | 1530 | 1311 | 1037 | 819 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | cross-on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | cross-on | on | on | cross-on | on | on | cross-on | |
High Tide | 4:53PM4.38m | 5:13AM4.39m | 5:38PM4.56m | 6:02AM4.50m | 6:23PM4.63m | 6:51AM4.49m | ||||||||||||||||||
Low Tide | 10:39AM0.24m | 11:04PM0.26m | 11:23AM0.10m | 11:48PM0.06m | 12:06PM0.08m | 00:32AM-0.03m | ||||||||||||||||||
 |  | | |  | | | |  | | |  | | | |  | | | | |  |  | | | |
 | 5:39 | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — |
 | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:30 | — | — | — | 9:32 |
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 2 | 2 | 1 | 3 | 1 | 1 | — | — | — | |
Temp °C | 10 | 10 | 9 | 9 | 11 | 11 | 11 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 9 |
5 | 5 | 5 | 6 | 7 | 7 | 7 | 5 | 3 | 4 | 3 | 2 | 1 | 2 | 1 | 0 | 2 | 2 | 2 | 2 | 3 | 4 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | WNW 7 | W 9 | W 9 | W 8 | W 9 | W 9 | W 16 | W 8 | — | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 |
 kJ | 43 | 6 | 15 | 55 | 6 | 6 | 5 | 12 | — | 90 | — | — | — | — | — | — | — | — | — | — | — | — | — | 819 |
Swell 2 Height (m) Direction Period (s) | NW 8 | SW 14 | SW 14 | W 9 | W 13 | W 16 | — | W 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 17 | 8 | 7 | 15 | 4 | 5 | — | 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 9 | — | — | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 15 | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WNW 8 | WNW 8 | — | WNW 8 | W 7 | W 7 | W 7 | WNW 5 | W 7 | W 13 | W 12 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | — |
| kJ | — | 77 | 75 | — | 75 | 112 | 108 | 76 | 93 | 152 | 835 | 1080 | 2157 | 2232 | 2371 | 2444 | 2201 | 2074 | 1944 | 1959 | 1530 | 1311 | 1037 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 127 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 283 | 373 | 441 | 300 | 300 | 300 | 145 | 132 | 138 | 138 | 138 | 92 | 87 | 67 | 27 |
Best forecast wave conditions in Clare | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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