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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 12 pm Tuesday 16 Sep 2025 IST
How big are the waves at Bunatrahir Bay today?
The current surf forecast for Bunatrahir Bay at 5PM is: 2.1m 10s primary swell from a West direction and 0.5m 10s secondary swell from a North direction (forecast issued at 12:00pm September 16). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 10ft (3.0m) | 11s |
| Afternoon (16 Sep) | 7ft (2.2m) | 10s |
| Evening (16 Sep) | 5.5ft (1.7m) | 10s |
Table - waves today at Bunatrahir Bay. (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 11 | 14 | 14 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 10 | 13 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1583 | 1304 | 936 | 711 | 552 | 361 | 246 | 548 | 1169 | 3033 | 8801 | 9016 | 7174 | 5432 | 3804 | 2239 | 1108 | 1115 | 405 | 284 | 663 | 1211 | 1461 | 1290 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 2:08PM 2.64 | 3:09AM 2.37 | 3:31PM 2.84 | 4:17AM 2.55 | 4:30PM 3.10 | 5:05AM 2.76 | ||||||||||||||||||
Low Tide / height (m) | 7:31AM 1.19 | 8:56PM 0.95 | 9:07AM 1.07 | 10:08PM 0.73 | 10:09AM 0.85 | 10:57PM 0.50 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:46 | - | - | - | - |
 |  | | |  |  | |  | |  | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | 3 | 9 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 14 | 14 | 13 | 12 | 12 | 13 | 14 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 16 | 17 | 16 | 16 | 14 | 13 | 13 |
| Feels °C (?) | 9 | 11 | 11 | 11 | 7 | 4 | 10 | 8 | 7 | 8 | 7 | 7 | 7 | 8 | 10 | 11 | 12 | 15 | 17 | 15 | 13 | 9 | 7 | 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)
Recent Eyeball Surf Reports for Mayo and Achill Island
Continuing clean conditions at Bunatrahir Bay (light winds from the SSW at Ballina 28 km from Bunatrahir Bay). 2.1m 10s swell from the WNW to make surfable waves.
28 km away, 1 h 8 min ago
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