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Bunatrahir Bay Surf Forecast
/ Mayo and Achill Island (14 surf breaks) /
Surf Forecasts:
Bunatrahir Bay surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 6 pm Monday 20 Apr 2026 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
9.9° 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 10PM is: 1.5m 13s primary swell from a West direction and 0.5m 8s secondary swell from a North direction, 1.1m 5s secondary swell from a North-northeast direction (forecast issued at 06:00pm April 20). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | - | - |
| Afternoon (20 Apr) | 5ft (1.5m) | 13s |
| Evening (20 Apr) | 5ft (1.6m) | 13s |
Table - waves today at Bunatrahir Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 13 | 13 | 12 | 12 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 5 | 5 | 5 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 679 | 888 | 715 | 670 | 672 | 1292 | 1171 | 961 | 778 | 623 | 433 | 313 | 203 | 170 | 170 | 94 | 54 | 32 | 23 | 38 | 46 | 35 | 28 | 15 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- off | cross- off | cross | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:38PM 3.45 | 9:04AM 3.13 | 9:26PM 3.29 | 9:59AM 2.81 | 10:24PM 3.09 | 11:07AM 2.50 | ||||||||||||||||||
Low Tide / height (m) | 2:16PM 0.12 | 2:45AM 0.18 | 2:59PM 0.37 | 3:39AM 0.41 | 3:49PM 0.66 | 4:46AM 0.67 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:18 | - | - |
| Sunset | - | 8:47 | - | - | - | - | - | - | - | 8:50 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - |
 | |  |  | | |  |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 8 | 10 | 10 | 8 | 7 | 8 | 10 | 11 | 11 | 10 | 8 | 7 | 6 | 7 | 11 | 12 | 11 | 10 | 9 | 8 | 7 | 8 | 12 |
| Feels °C (?) | 3 | 2 | 6 | 6 | 4 | 3 | 1 | 3 | 3 | 4 | 3 | 1 | -1 | -2 | -1 | 3 | 5 | 5 | 4 | 3 | 2 | 2 | 2 | 6 |
- 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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