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Surf Forecasts:
Crab Island surfForecast / Clare / Ireland
48hr Weather and Surf, issued 6 am Sunday 10 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
11.8° C
(Which is slightly warmer than usual)How big are the waves at Crab Island today?
The current surf forecast for Crab Island at 11AM is: 0.2m 10s primary swell from a West direction and 0.3m 7s secondary swell from a Northwest direction (forecast issued at 06:00am May 10). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 1ft (0.3m) | 10s |
| Afternoon (10 May) | 0.5ft (0.2m) | 10s |
| Evening (10 May) | 2.5ft (0.8m) | 5s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 12°C on Sun afternoon, min 8°C on Sun morning). Winds increasing (light winds from the NW on Mon afternoon, near gales from the WNW by Tue night). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 10 | W 10 | NW 7 | W 10 | W 10 | NW 5 | NW 5 | NW 5 | NW 4 | NW 4 | NW 5 | NW 7 | WNW 4 | WNW 5 | WNW 5 | WNW 5 | WNW 8 | WNW 5 | WNW 5 | WNW 7 | WNW 8 | WNW 8 | WNW 6 | WNW 7 | |
19 | 18 | 8 | 8 | 8 | 32 | 31 | 14 | 12 | 21 | 25 | 44 | 32 | 40 | 40 | 56 | 157 | 61 | 103 | 188 | 250 | 313 | 230 | 458 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | |
High Tide | 12:34PM3.07m | 00:49AM3.28m | 1:38PM3.24m | 1:51AM3.43m | 2:34PM3.51m | |||||||||||||||||||
Low Tide | 6:05AM1.46m | 6:31PM1.68m | 7:24AM1.31m | 7:51PM1.50m | 8:24AM1.04m | 8:49PM1.21m | ||||||||||||||||||
 |  | |  | |  |  |  | | | | | | | | | | | | | | | | | |
 | 5:48 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | 5:43 |
 | — | — | — | — | — | 9:20 | — | — | — | — | — | — | — | 9:22 | — | — | — | — | — | — | — | 9:22 | — | 9:24 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 6 | 6 | 8 | 11 | 12 | 11 | 9 | 9 | 10 | 10 | 10 | 11 | 12 | 11 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
-2 | -1 | 1 | 5 | 7 | 4 | 3 | 4 | 5 | 4 | 4 | 6 | 8 | 7 | 4 | 3 | 4 | 4 | 3 | 3 | 3 | 2 | 1 | 0 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | NW 6 | NW 6 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | NW 8 | WNW 12 | WNW 11 | WNW 11 | W 19 | WNW 13 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 |
 kJ | 19 | 18 | 8 | 6 | 6 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 11 | 15 | 23 | 25 | 7 | 32 | 13 | 12 | 12 | 12 | 12 |
Swell 2 Height (m) Direction Period (s) | NW 7 | WNW 6 | NW 7 | W 10 | W 10 | — | — | — | — | — | W 15 | W 14 | W 14 | W 9 | W 8 | W 19 | SW 19 | — | W 19 | — | — | — | — | — |
| kJ | 2 | 4 | 7 | 8 | 8 | — | — | — | — | — | 4 | 4 | 4 | 6 | 6 | 7 | 15 | — | 7 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | — | — | — | — | — | — | — | — | WNW 13 | — | — | — | — | — | — | — | — | — | — |
| kJ | 5 | 5 | 5 | 5 | 4 | — | — | — | — | — | — | — | — | 17 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 4 | NNE 4 | NNE 3 | N 3 | NW 5 | NW 5 | NW 5 | NW 4 | NW 4 | NW 5 | NW 7 | WNW 4 | WNW 5 | WNW 5 | WNW 5 | WNW 8 | WNW 5 | WNW 5 | WNW 7 | WNW 8 | WNW 8 | WNW 6 | WNW 7 |
| kJ | 32 | 25 | 13 | 4 | 1 | 32 | 31 | 14 | 12 | 21 | 25 | 44 | 32 | 40 | 40 | 56 | 157 | 61 | 103 | 188 | 250 | 313 | 230 | 458 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 732 | 151 | 411 | 767 | 579 | 161 | 442 | 416 | 609 | 495 | 411 | 349 | 543 | 432 | 166 | 166 | 164 | 92 | 422 | 164 | 565 | 92 | 565 | 565 |
Best forecast wave conditions in Clare | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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