Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Crab Island surfForecast / Clare / Ireland
48hr Weather and Surf, issued 5 am Friday 19 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
10.4° 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 7AM is: 6.0m 16s primary swell from a West direction (forecast issued at 05:00am December 19). The wind direction is predicted to be onshore and the swell rating is 11.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Dec) | 20ft (6.0m) | 16s |
| Afternoon (19 Dec) | 15ft (4.5m) | 15s |
| Evening (19 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
Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||||||||
| 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) (?) | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 22514 | 20525 | 17918 | 13750 | 10139 | 6596 | 4847 | 3169 | 2429 | 1933 | 2465 | 2555 | 2673 | 2972 | 6138 | 7936 | 8744 | 9403 | 8564 | 7584 | 6307 | 5278 | 4110 | 3456 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | on | on | cross- on | cross- off | cross- off | off | cross- off | cross- off | off | cross- off | cross- off |
High Tide / height (m) | 4:54PM 3.79 | 5:06AM 4.05 | 5:32PM 3.84 | 5:43AM 4.11 | 6:09PM 3.85 | |||||||||||||||||||
Low Tide / height (m) | 10:43AM 0.69 | 10:52PM 0.82 | 11:18AM 0.61 | 11:27PM 0.77 | 11:53AM 0.56 | 12:00AM 0.76 | ||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||||||||
| Sunrise | - | - | 8:47 | - | - | - | - | - | - | - | 8:48 | - | - | - | - | - | - | - | 8:48 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:21 | - | - | - | - | - | - | - | 4:21 | - | - | - | - | - | - | - | 4:22 | - | - | - |
 |  |  |  |  |  | | | | | |  | |  |  | |  | | | | | | | | |
Rain (mm) | 2 | 2 | 1 | - | - | - | - | - | - | - | 1 | 3 | - | 2 | - | - | - | - | - | - | 3 | - | - | - |
| Temp. °C | 9 | 9 | 9 | 10 | 10 | 10 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 7 | 8 | 8 | 6 | 6 | 5 | 6 | 5 | 6 | 5 | 4 |
| Feels °C (?) | -1 | -1 | 0 | 1 | 2 | 4 | 2 | 0 | 1 | -1 | -2 | -1 | -2 | -2 | 3 | 3 | 1 | 2 | 0 | 1 | -1 | 2 | 1 | -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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