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Surf Forecasts:
Crab Island surfForecast / Clare / Ireland
48hr Weather and Surf, issued 11 am Wednesday 10 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
10.9° 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 6PM is: 4.0m 14s primary swell from a West direction (forecast issued at 11:00am December 10). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 11ft (3.5m) | 11s |
| Afternoon (10 Dec) | 13ft (4.0m) | 12s |
| Evening (10 Dec) | 11ft (3.5m) | 14s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 12 | 12 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 16 | 15 | 16 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3307 | 3454 | 4359 | 6860 | 5477 | 4179 | 3818 | 4879 | 7421 | 6058 | 5029 | 9320 | 8714 | 9721 | 17550 | 23168 | 22391 | 19802 | 17116 | 15494 | 13079 | 10091 | 7936 | 6537 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross- on | cross | cross | cross | cross | on | cross- on | cross- on | cross | cross | cross- on | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:56AM 3.99 | 9:41PM 3.58 | 9:53AM 3.74 | 10:41PM 3.41 | 10:53AM 3.52 | 11:43PM 3.33 | ||||||||||||||||||
Low Tide / height (m) | 3:10PM 0.70 | 3:27AM 1.24 | 4:14PM 0.95 | 4:37AM 1.43 | 5:23PM 1.12 | 5:55AM 1.49 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | 8:38 | - | - | - | - | - | - | - | 8:40 | - | - | - | - | - | - | - | 8:41 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:20 | - | - | - | - | - | - | - | 4:20 | - | - | - | - | - | - | - | 4:20 | - | - | - | - | - |
 |  |  |  | | |  | |  | | |  | | | | | |  | |  | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | 2 | 4 | 1 | - | - | - | - | - | 1 | - | - | 1 | - | - | - | - |
| Temp. °C | 10 | 10 | 11 | 11 | 10 | 10 | 12 | 12 | 9 | 8 | 10 | 9 | 8 | 8 | 8 | 7 | 7 | 8 | 9 | 8 | 7 | 6 | 7 | 9 |
| Feels °C (?) | 1 | 1 | 2 | 2 | 1 | 0 | 2 | 2 | 2 | 2 | 4 | 3 | 2 | 1 | 1 | 0 | 1 | 1 | 3 | 2 | 2 | 0 | 1 | 2 |
- 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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