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Surf Forecasts:
Carrownisky surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 11 am Tuesday 16 Dec 2025 ISTForecast update in hr min s Forecast update imminent
Carrownisky surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Carrownisky sea temperature is
10.3° C
(Which is normal for this time of year)How big are the waves at Carrownisky today?
The current surf forecast for Carrownisky at 3PM is: 1.1m 14s primary swell from a West direction and 0.6m 4s secondary swell from a Southwest direction (forecast issued at 11:00am December 16). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 4.5ft (1.3m) | 14s |
| Afternoon (16 Dec) | 3.5ft (1.1m) | 14s |
| Evening (16 Dec) | 3.5ft (1.1m) | 14s |
Table - waves today at Carrownisky. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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) (?) | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 14 | 19 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 687 | 682 | 465 | 445 | 439 | 356 | 335 | 940 | 656 | 598 | 666 | 1097 | 4996 | 7320 | 6849 | 6214 | 6144 | 4735 | 4104 | 3933 | 4768 | 5711 | 5946 | 5446 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross | cross- on | on | on | cross- on | on | on | on |
High Tide / height (m) | 3:04PM 3.01 | 3:27AM 3.28 | 3:48PM 3.12 | 4:05AM 3.41 | 4:29PM 3.22 | 4:42AM 3.52 | ||||||||||||||||||
Low Tide / height (m) | 8:59AM 1.05 | 9:08PM 0.95 | 9:40AM 0.90 | 9:48PM 0.89 | 10:18AM 0.77 | 10:25PM 0.82 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | 8:51 | - | - | - | - | - | - | - | 8:51 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - |
 | | |  |  |  |  |  |  |  |  | | | | | | | |  | | |  | | | |
Rain (mm) | - | - | - | - | - | 2 | 8 | 4 | - | - | 1 | - | 2 | 1 | - | - | 1 | 4 | 1 | 1 | 1 | 1 | 1 | 1 |
| Temp. °C | 8 | 10 | 9 | 8 | 9 | 8 | 9 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 10 | 6 | 9 | 8 | 7 | 8 | 9 | 9 |
| Feels °C (?) | 2 | 3 | 2 | 1 | -1 | -4 | -3 | 4 | 4 | 3 | 1 | 2 | -1 | -1 | 3 | -2 | 1 | 0 | 0 | -3 | -5 | -5 | -3 | -1 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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