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Surf Forecasts:
Bunatrahir Bay surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 11 am Wednesday 17 Dec 2025 ISTForecast update in hr min s Forecast update imminent
Bunatrahir Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bunatrahir Bay sea temperature is
10.6° C
(Which is normal for this time of year)How big are the waves at Bunatrahir Bay today?
The current surf forecast for Bunatrahir Bay at 2PM is: 3.5m 12s primary swell from a West direction and 0.3m 11s secondary swell from a North direction, 0.3m 12s secondary swell from a North direction (forecast issued at 11:00am December 17). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 11ft (3.5m) | 12s |
| Afternoon (17 Dec) | 11ft (3.5m) | 12s |
| Evening (17 Dec) | 23ft (7.0m) | 18s |
Table - waves today at Bunatrahir Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 14 | 18 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3802 | 3305 | 4155 | 9259 | 31413 | 49820 | 49663 | 44816 | 40998 | 37088 | 36156 | 29609 | 27242 | 28044 | 27262 | 27410 | 27894 | 25967 | 19833 | 13167 | 9371 | 5866 | 4079 | 3178 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:02PM 2.73 | 4:29AM 2.95 | 4:42PM 2.79 | 5:05AM 3.07 | 5:19PM 2.83 | 5:41AM 3.16 | ||||||||||||||||||
Low Tide / height (m) | 9:56AM 0.82 | 10:06PM 0.64 | 10:35AM 0.70 | 10:42PM 0.57 | 11:13AM 0.60 | 11:17PM 0.51 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | 8:52 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:53 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:13 | - | - | - | - | - | - | - | 4:13 | - | - | - | - | - | - | - | 4:14 | - | - | - | - | - |
 |  |  |  | |  | |  | |  |  |  | | | |  |  | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | 1 | 1 | - | 5 | 15 | 1 | - | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | 1 |
| Temp. °C | 12 | 11 | 10 | 9 | 8 | 8 | 7 | 7 | 5 | 3 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 9 | 9 |
| Feels °C (?) | 5 | 4 | 3 | 3 | 1 | 0 | -2 | 1 | 0 | -4 | 0 | -2 | -2 | -2 | -2 | -1 | 0 | 2 | 3 | 3 | 3 | 1 | 1 | 0 |
- 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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