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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 Friday 15 May 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
11.6° 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 1AM is: 1.0m 8s primary swell from a West direction and 0.7m 7s secondary swell from a North direction (forecast issued at 06:00pm May 15). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 4.5ft (1.3m) | 8s |
| Afternoon (16 May) | 3.5ft (1.0m) | 13s |
| Evening (16 May) | 8ft (2.5m) | 11s |
Table - waves today at Bunatrahir Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Sun morning. Very mild (max 12°C on Mon morning, min 6°C on Sun night). Winds increasing (calm on Fri afternoon, fresh winds from the W by Sat morning). | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
N 7 | N 7 | W 8 | W 8 | W 8 | W 8 | WNW 8 | WNW 7 | W 12 | W 12 | W 11 | W 13 | W 13 | W 12 | W 13 | W 13 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | WNW 11 | |
106 | 86 | 90 | 115 | 115 | 121 | 196 | 232 | 365 | 1488 | 1412 | 4011 | 4321 | 3863 | 3502 | 3265 | 2700 | 2405 | 2171 | 1786 | 1405 | 1144 | 951 | 749 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | off | cross-off | |
High Tide | 5:28PM3.27m | 5:40AM3.45m | 6:11PM3.45m | 6:28AM3.48m | 6:54PM3.57m | 7:16AM3.41m | ||||||||||||||||||
Low Tide | 11:27PM0.30m | 11:51AM-0.02m | 00:13AM0.12m | 12:34PM-0.02m | 1:01AM0.03m | |||||||||||||||||||
 | |  | | | |  |  | | |  |  | |  | | | | |  | | | | | | |
 | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:28 | — | — | — |
 | — | 9:34 | — | — | — | — | — | — | — | 9:36 | — | — | — | — | — | — | — | 9:37 | — | — | — | — | — | 9:38 |
— | — | — | — | — | — | 1 | — | — | 1 | — | — | — | 1 | 5 | 2 | 2 | 1 | 1 | — | — | — | — | — | |
Temp °C | 10 | 9 | 9 | 9 | 10 | 10 | 9 | 11 | 11 | 10 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 8 | 7 | 6 | 7 | 10 | 12 |
7 | 7 | 7 | 7 | 8 | 8 | 3 | 4 | 4 | 3 | 2 | 2 | 2 | 3 | 4 | 4 | 4 | 5 | 4 | 3 | 3 | 4 | 7 | 7 | |
Swell 1 Height (m) Direction Period (s) | N 7 | N 7 | W 8 | W 8 | W 8 | W 8 | N 10 | WNW 13 | W 12 | WNW 15 | W 14 | NNE 10 | NNE 10 | W 12 | W 13 | W 13 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | WNW 11 |
 kJ | 106 | 86 | 90 | 115 | 115 | 121 | 75 | 232 | 365 | 288 | 912 | 33 | 32 | 3863 | 3502 | 3265 | 2700 | 2405 | 2171 | 1786 | 1405 | 1144 | 951 | 749 |
Swell 2 Height (m) Direction Period (s) | NW 8 | NW 7 | N 7 | N 7 | N 7 | N 10 | WNW 14 | N 10 | N 10 | N 10 | N 10 | — | — | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 |
| kJ | 67 | 44 | 68 | 51 | 51 | 100 | 147 | 75 | 53 | 52 | 51 | — | — | 31 | 31 | 31 | 30 | 29 | 28 | 28 | 27 | 27 | 26 | 26 |
Swell 3 Height (m) Direction Period (s) | W 7 | W 7 | NW 7 | W 16 | WNW 16 | WNW 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 23 | 35 | 34 | 5 | 24 | 71 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | WNW 8 | WNW 7 | WNW 7 | W 12 | W 11 | W 13 | W 13 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 196 | 219 | 293 | 1488 | 1412 | 4011 | 4321 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 226 | 0 | 0 | 0 | 0 | 0 | 42 | 157 | 263 | 453 | 476 | 203 | 203 | 49 | 179 | 9 | 151 | 123 | 107 | 0 | 0 | 0 | 0 | 27 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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