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Surf Forecasts:
Crab Island surfForecast / Clare / Ireland
48hr Weather and Surf, issued 6 am Sunday 17 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
11.4° 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 1PM is: 2.5m 12s primary swell from a West direction (forecast issued at 06:00am May 17). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 10ft (3.0m) | 12s |
| Afternoon (17 May) | 10ft (3.0m) | 12s |
| Evening (17 May) | 8ft (2.5m) | 12s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 28mm), heaviest during Sun afternoon. Very mild (max 12°C on Mon morning, min 9°C on Sun afternoon). Winds increasing (light winds from the W on Sun night, strong winds from the SW by Tue night). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | SW 8 | WSW 8 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | W 15 | WSW 14 | |
2371 | 2453 | 2338 | 2210 | 2346 | 1967 | 1660 | 1200 | 941 | 658 | 577 | 418 | 327 | 234 | 154 | 116 | 125 | 179 | 273 | 422 | 515 | 504 | 773 | 3163 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | cross-on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | |
High Tide | 6:02AM4.50m | 6:23PM4.63m | 6:51AM4.49m | 7:10PM4.60m | 7:43AM4.37m | 8:00PM4.47m | ||||||||||||||||||
Low Tide | 12:06PM0.08m | 00:32AM-0.03m | 12:51PM0.17m | 1:19AM-0.00m | 1:38PM0.35m | |||||||||||||||||||
 |  | | | | |  |  | |  |  | | | |  | | | | | | | | | | |
 | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | 5:31 |
 | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:32 | — | — | — | — | — | — | — | 9:35 | — | 9:36 |
— | 1 | 1 | 2 | 2 | 3 | 1 | — | — | — | — | — | 1 | 2 | 3 | 2 | 1 | — | 1 | 1 | — | 2 | 3 | 1 | |
Temp °C | 10 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 12 | 11 | 10 | 11 | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 12 |
2 | 1 | 2 | 3 | 0 | 2 | 3 | 4 | 6 | 6 | 5 | 7 | 6 | 2 | 4 | 7 | 6 | 6 | 7 | 4 | 4 | 8 | 5 | 4 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | NW 10 | WNW 9 | W 13 | — | — | W 16 | WSW 10 | — |
 kJ | — | — | — | — | — | — | — | 1200 | 941 | 658 | 577 | 418 | 327 | 234 | 154 | 116 | 24 | 17 | 32 | — | — | 248 | 567 | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 16 | W 15 | W 15 | W 14 | — | — | — | W 13 | W 15 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 4 | 17 | 16 | — | — | — | 112 | 773 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | — | — | — | — | — | — | SE 3 | SE 3 | S 4 | SW 8 | WSW 8 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | — | WSW 14 |
| kJ | 2371 | 2453 | 2338 | 2210 | 2346 | 1967 | 1660 | — | — | — | — | — | — | 4 | 8 | 14 | 125 | 179 | 273 | 422 | 515 | 504 | — | 3163 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 291 | 291 | 291 | 291 | 248 | 283 | 92 | 87 | 11 | 0 | 11 | 16 | 16 | 92 | 92 | 283 | 101 | 98 | 138 | 274 | 269 | 97 | 132 | 304 |
Best forecast wave conditions in Clare | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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