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Surf Forecasts:
Crab Island surfForecast / Clare / Ireland
48hr Weather and Surf, issued 12 pm Sunday 31 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
13.6° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Crab Island today (31 May):
- Morning surf: Morning surf (31 May, local time) - 6.5ft (2.0m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 6ft (1.9m), 11s period with WSW swell.
- Evening surf: Evening surf (31 May, local time) - 5ft (1.6m), 11s period with WSW swell.
The current surf forecast for Crab Island at 6PM is: 1.7m 11s primary swell from a West-southwest direction (forecast issued at 12:00pm May 31). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 6.5ft (2.0m) | 12s |
| Afternoon (31 May) | 6ft (1.9m) | 11s |
| Evening (31 May) | 5ft (1.6m) | 11s |
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 17mm), heaviest on Mon morning. Very mild (max 15°C on Mon morning, min 12°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | W 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 13 | WSW 13 | |
1012 | 889 | 772 | 679 | 593 | 608 | 531 | 487 | 377 | 502 | 529 | 445 | 383 | 367 | 307 | 289 | 333 | 397 | 435 | 463 | 482 | 469 | 1326 | 1788 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross | cross | cross-on | |
High Tide | 6:10PM4.06m | 6:35AM3.87m | 6:46PM4.05m | 7:13AM3.82m | 7:23PM4.01m | |||||||||||||||||||
Low Tide | 11:56AM0.76m | 00:20AM0.60m | 12:31PM0.79m | 00:55AM0.62m | 1:05PM0.85m | 1:31AM0.68m | ||||||||||||||||||
 |  | |  |  | | | |  | | | |  |  | |  | | | | | | | | | |
 | 5:18 | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — |
 | — | — | — | 9:51 | — | — | — | — | — | — | — | 9:52 | — | — | — | — | — | — | — | 9:53 | — | — | — | 9:54 |
1 | — | — | — | 1 | 2 | 2 | — | 8 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | |
Temp °C | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 14 |
8 | 9 | 10 | 11 | 10 | 10 | 11 | 12 | 13 | 9 | 9 | 10 | 11 | 10 | 9 | 9 | 9 | 8 | 8 | 9 | 8 | 8 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | — | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | — | WSW 11 | WSW 10 | — | SW 14 | WSW 10 | WSW 10 | — | — | WSW 9 | — | W 18 | W 17 | WSW 16 | WSW 10 | WSW 10 | — | — |
 kJ | — | 889 | 772 | 679 | 593 | 608 | — | 487 | 377 | — | 8 | 445 | 383 | — | — | 289 | — | 6 | 22 | 50 | 482 | 469 | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 14 | — | — | SW 14 | — | — | — | — | — | — | — | — | W 15 | WSW 14 | — | — |
| kJ | — | — | — | — | — | — | — | — | 8 | — | — | 8 | — | — | — | — | — | — | — | — | 113 | 327 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 11 | — | — | — | — | — | WSW 11 | — | — | WSW 10 | WSW 10 | — | — | WSW 9 | WSW 9 | — | WSW 9 | W 9 | WSW 10 | WSW 10 | — | — | WSW 13 | WSW 13 |
| kJ | 1012 | — | — | — | — | — | 531 | — | — | 502 | 529 | — | — | 367 | 307 | — | 333 | 397 | 435 | 463 | — | — | 1326 | 1788 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 99 | 117 | 138 | 87 | 99 | 101 | 101 | 16 | 11 | 139 | 117 | 98 | 27 | 99 | 99 | 138 | 172 | 162 | 162 | 101 | 101 | 87 | 140 | 139 |
Best forecast wave conditions in Clare | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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