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Surf Forecasts:
Crab Island surfForecast / Clare / Ireland
48hr Weather and Surf, issued 5 am Monday 08 Dec 2025 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
11.0° 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 8AM is: 4.5m 19s primary swell from a West-southwest direction and 3.0m 12s secondary swell from a West-southwest direction (forecast issued at 05:00am December 08). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 15ft (4.5m) | 19s |
| Afternoon (08 Dec) | 15ft (4.5m) | 17s |
| Evening (08 Dec) | 13ft (4.0m) | 16s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | Thu 11 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 22 | 20 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 11 | 12 | 15 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 9263 | 3240 | 13811 | 13459 | 12359 | 10359 | 7683 | 6395 | 5641 | 4705 | 5431 | 8328 | 7863 | 5445 | 4868 | 3919 | 3120 | 2939 | 2945 | 3654 | 6550 | 7474 | 6034 | 4620 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross | cross |
High Tide / height (m) | 7:11AM 4.46 | 7:50PM 4.06 | 8:02AM 4.25 | 8:44PM 3.81 | 8:56AM 3.99 | 9:41PM 3.58 | ||||||||||||||||||
Low Tide / height (m) | 1:22PM 0.18 | 1:36AM 0.72 | 2:14PM 0.43 | 2:28AM 0.99 | 3:10PM 0.70 | |||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | Thu 11 | |||||||||||||||||||||
| Sunrise | - | - | 8:36 | - | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:38 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:21 | - | - | - | - | - | - | - | 4:21 | - | - | - | - | - | - | - | 4:20 | - | - | - |
 |  |  | |  |  | |  | | |  |  | |  | | | | |  | | | | | | |
Rain (mm) | 2 | - | 1 | 1 | 1 | - | - | 3 | 4 | 3 | - | - | - | - | 1 | - | - | 1 | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 11 | 14 | 16 | 15 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 9 |
| Feels °C (?) | -1 | 1 | 1 | 3 | 5 | 6 | 5 | 4 | 6 | 8 | 1 | -2 | 0 | -2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 1 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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