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Surf Forecasts:
Crab Island surfForecast / Clare / Ireland
48hr Weather and Surf, issued 12 am Tuesday 21 Apr 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
10.3° 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 4AM is: 0.9m 12s primary swell from a West direction and 0.7m 14s secondary swell from a West direction (forecast issued at 12:00am April 21). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 4ft (1.2m) | 14s |
| Afternoon (21 Apr) | 4ft (1.2m) | 14s |
| Evening (21 Apr) | 3ft (0.9m) | 13s |
Table - waves today at Crab Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 485 | 427 | 224 | 275 | 598 | 577 | 460 | 355 | 229 | 153 | 104 | 72 | 42 | 23 | 23 | 10 | 10 | 10 | 5 | 4 | 16 | 17 | 28 | 29 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross- off | off | off | off | off | off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:10PM 4.45 | 8:40AM 4.20 | 8:59PM 4.18 | 9:37AM 3.86 | 9:57PM 3.88 | 10:44AM 3.53 | ||||||||||||||||||
Low Tide / height (m) | 2:14AM 0.20 | 2:34PM 0.56 | 3:05AM 0.50 | 3:26PM 0.95 | 4:06AM 0.84 | 4:31PM 1.31 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:46 | - | - | - | - | - | - | - | 8:49 | - | - | - | - | - | - | - | 8:50 |
 | |  |  |  | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 10 | 9 | 8 | 9 | 11 | 12 | 11 | 10 | 8 | 7 | 6 | 8 | 12 | 11 | 11 | 10 | 10 | 9 | 8 | 10 | 13 | 15 | 13 |
| Feels °C (?) | 7 | 6 | 4 | 2 | 2 | 3 | 4 | 2 | 1 | -1 | -3 | -4 | -2 | 4 | 3 | 3 | 3 | 4 | 2 | 1 | 4 | 7 | 9 | 8 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Crab Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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