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Surf Forecasts:
Crab Island surfForecast / Clare / Ireland
48hr Weather and Surf, issued 12 am Monday 11 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 8AM is: 0.8m 4s primary swell from a Northwest direction and 0.2m 9s secondary swell from a West direction (forecast issued at 12:00am May 11). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 3ft (0.9m) | 5s |
| Afternoon (11 May) | 2.5ft (0.7m) | 6s |
| Evening (11 May) | 2.5ft (0.7m) | 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 Mon afternoon, min 9°C on Mon night). Winds increasing (light winds from the NNE on Mon morning, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NW 4 | NW 5 | NW 4 | NW 5 | NW 5 | NW 6 | WNW 5 | NW 8 | WNW 8 | WNW 11 | WNW 5 | WNW 6 | WNW 8 | WNW 8 | WNW 5 | WNW 6 | WNW 7 | WNW 8 | WNW 9 | WNW 10 | WNW 11 | WNW 12 | WNW 11 | WNW 11 | |
13 | 17 | 18 | 38 | 29 | 32 | 25 | 34 | 86 | 66 | 63 | 93 | 173 | 256 | 144 | 272 | 419 | 800 | 1302 | 1538 | 1739 | 1776 | 1491 | 1144 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 00:49AM3.28m | 1:38PM3.24m | 1:51AM3.43m | 2:34PM3.51m | 2:46AM3.66m | 3:24PM3.82m | ||||||||||||||||||
Low Tide | 7:24AM1.31m | 7:51PM1.50m | 8:24AM1.04m | 8:49PM1.21m | 9:12AM0.75m | 9:37PM0.88m | ||||||||||||||||||
 | |  | | | | |  | | |  | | | | | | |  | |  | | | | | |
 | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:22 | — | — | — | — | — | — | — | 9:22 | — | — | — | — | — | — | — | 9:24 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 11 | 12 | 11 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 11 | 10 | 9 |
5 | 5 | 4 | 5 | 7 | 7 | 5 | 5 | 4 | 4 | 2 | 3 | 3 | 3 | 2 | 1 | 1 | -2 | -2 | 0 | 0 | 1 | 0 | 0 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 9 | NW 5 | NW 6 | NW 8 | NW 8 | WNW 11 | WNW 11 | W 19 | WNW 13 | WNW 12 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
 kJ | 7 | 7 | 6 | 6 | 29 | 32 | 16 | 34 | 39 | 66 | 7 | 32 | 50 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 10 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 15 | W 9 | W 9 | W 9 | WNW 12 | W 19 | W 8 | — | W 19 | SW 18 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 4 | 14 | 14 | 6 | 15 | 7 | 5 | — | 7 | 13 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 14 | W 14 | WNW 13 | W 8 | — | SW 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 4 | 4 | 17 | 6 | — | 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 5 | NW 4 | NW 5 | — | — | WNW 5 | WNW 5 | WNW 8 | WNW 5 | WNW 5 | WNW 6 | WNW 8 | WNW 8 | WNW 5 | WNW 6 | WNW 7 | WNW 8 | WNW 9 | WNW 10 | WNW 11 | WNW 12 | WNW 11 | WNW 11 |
| kJ | 13 | 17 | 18 | 38 | — | — | 25 | 22 | 86 | 35 | 63 | 93 | 173 | 256 | 144 | 272 | 419 | 800 | 1302 | 1538 | 1739 | 1776 | 1491 | 1144 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 416 | 415 | 495 | 355 | 359 | 539 | 543 | 164 | 166 | 164 | 164 | 603 | 739 | 565 | 565 | 565 | 565 | 598 | 723 | 732 | 1219 | 1326 | 1138 | 567 |
Best forecast wave conditions in Clare | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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