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Surf Forecasts:
Crab Island surfForecast / Clare / Ireland
48hr Weather and Surf, issued 12 pm Thursday 28 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
12.3° C
(Which is normal for this time of year)How big are the waves at Crab Island today (28 May):
- Morning surf: Morning surf (28 May, local time) - 1.5ft (0.4m), 9s period with W swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 1.5ft (0.4m), 8s period with W swell.
- Evening surf: Evening surf (28 May, local time) - 3.5ft (1.1m), 5s period with SW swell.
The current surf forecast for Crab Island at 6PM is: 0.3m 8s primary swell from a West direction and 0.1m 16s secondary swell from a Southwest direction, 0.6m 3s secondary swell from a Southwest direction (forecast issued at 12:00pm May 28). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 1.5ft (0.4m) | 9s |
| Afternoon (28 May) | 1.5ft (0.4m) | 8s |
| Evening (28 May) | 3.5ft (1.1m) | 5s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Sat morning. Very mild (max 15°C on Thu morning, min 12°C on Thu night). Mainly strong winds. | ||||||||||||||||||||||||
Thu 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 9 | W 8 | W 8 | SW 4 | SW 5 | SW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 12 | WSW 12 | |
24 | 23 | 22 | 18 | 94 | 114 | 196 | 293 | 314 | 296 | 232 | 300 | 232 | 181 | 133 | 249 | 402 | 953 | 950 | 718 | 737 | 868 | 934 | 1029 | |
Wind (km/h) | ||||||||||||||||||||||||
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-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 4:22PM3.85m | 4:41AM3.76m | 4:59PM3.95m | 5:20AM3.82m | 5:35PM4.02m | 5:58AM3.87m | ||||||||||||||||||
Low Tide | 10:10AM0.81m | 10:34PM0.81m | 10:47AM0.78m | 11:11PM0.70m | 11:22AM0.76m | 11:45PM0.62m | ||||||||||||||||||
 |  | | |  | | | |  | | | |  | | |  | | |  | | |  | | | |
 | 5:22 | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — |
 | — | — | — | 9:47 | — | — | — | — | — | — | — | 9:49 | — | — | — | — | — | — | — | 9:50 | — | — | — | 9:51 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | 1 | — | — | 1 | — | — | |
Temp °C | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 12 | 12 | 13 | 14 | 14 | 15 | 15 | 14 | 12 | 12 | 14 | 15 | 14 | 13 | 13 | 12 | 12 |
13 | 14 | 9 | 8 | 7 | 6 | 6 | 5 | 6 | 8 | 10 | 11 | 11 | 11 | 10 | 8 | 8 | 10 | 11 | 9 | 8 | 8 | 7 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 8 | W 8 | W 8 | W 8 | — | W 10 | — | SW 18 | NW 9 | WSW 10 | WSW 8 | WSW 9 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 12 | WSW 12 | WSW 11 | — | — | — | — |
 kJ | 24 | 23 | 22 | 12 | 5 | — | 2 | — | 13 | 3 | 95 | 300 | 232 | 181 | 133 | 249 | 402 | 953 | 950 | 718 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | — | — | — | — | — | — | SW 16 | SW 16 | WNW 8 | WNW 8 | WSW 10 | WSW 14 | WSW 13 | NW 8 | — | — | — | — | — | — |
| kJ | 10 | 10 | 10 | 10 | — | — | — | — | — | — | 10 | 10 | 6 | 6 | 57 | 40 | 222 | 2 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | SW 16 | NW 7 | WNW 8 | NW 8 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 10 | 2 | 6 | 2 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 3 | SW 4 | SW 5 | SW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | — | — | — | SSE 2 | SE 3 | — | SSE 3 | — | SW 3 | WSW 11 | WSW 11 | WSW 12 | WSW 12 |
| kJ | — | — | 2 | 18 | 94 | 114 | 196 | 293 | 314 | 296 | 232 | — | — | — | 1 | 2 | — | 3 | — | 5 | 737 | 868 | 934 | 1029 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 92 | 415 | 617 | 415 | 415 | 427 | 293 | 117 | 117 | 117 | 138 | 101 | 16 | 11 | 11 | 11 | 16 | 82 | 87 | 138 | 139 | 99 | 92 | 92 |
Best forecast wave conditions in Clare | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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