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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 19 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 7PM is: 1.1m 16s primary swell from a West direction and 1.3m 10s secondary swell from a West-southwest direction (forecast issued at 12:00pm May 19). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 3ft (0.9m) | 9s |
| Afternoon (19 May) | 4.5ft (1.3m) | 9s |
| Evening (19 May) | 7ft (2.1m) | 16s |
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 13mm), heaviest on Tue morning. Very mild (max 14°C on Wed afternoon, min 11°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 9 | WSW 9 | WSW 9 | W 16 | W 16 | WSW 15 | WSW 14 | WSW 14 | W 13 | W 13 | W 12 | W 12 | W 12 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 10 | |
134 | 227 | 260 | 605 | 2153 | 2976 | 3578 | 2039 | 2507 | 1932 | 1459 | 1155 | 894 | 681 | 582 | 749 | 678 | 491 | 408 | 348 | 356 | 460 | 487 | 419 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | |
High Tide | 8:07AM3.25m | 8:29PM3.56m | 9:00AM3.02m | 9:22PM3.45m | 9:57AM2.76m | 10:20PM3.30m | ||||||||||||||||||
Low Tide | 2:02PM0.20m | 2:43AM0.17m | 2:49PM0.39m | 3:41AM0.35m | 3:41PM0.60m | 4:48AM0.55m | ||||||||||||||||||
 | | |  |  |  | |  | |  | | |  |  | | | | | | | | | | | |
 | 5:26 | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — |
 | — | — | — | 9:40 | — | — | — | — | — | — | — | 9:42 | — | — | — | — | — | — | — | 9:44 | — | — | — | 9:45 |
3 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | 1 | 2 | 1 | — | — | — | |
Temp °C | 13 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 14 | 14 | 13 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 11 | 11 |
9 | 9 | 9 | 9 | 8 | 6 | 5 | 6 | 7 | 9 | 9 | 11 | 11 | 9 | 11 | 11 | 11 | 12 | 12 | 13 | 10 | 10 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 9 | WSW 9 | WSW 10 | W 16 | WSW 15 | N 8 | WSW 14 | W 13 | W 13 | W 12 | W 12 | W 12 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 10 |
 kJ | 134 | 227 | 260 | 328 | 2153 | 2976 | 5 | 2039 | 2507 | 1932 | 1459 | 1155 | 894 | 681 | 582 | 749 | 678 | 491 | 408 | 348 | 356 | 460 | 487 | 419 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | W 13 | W 16 | W 16 | NNE 8 | NNE 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NW 6 | NW 6 | NW 9 | NW 8 | NNW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NNW 7 |
| kJ | 33 | 55 | 134 | 605 | 14 | 14 | 5 | 5 | 5 | 5 | 5 | 1 | 1 | 8 | 9 | 62 | 55 | 44 | 28 | 28 | 14 | 14 | 14 | 5 |
Swell 3 Height (m) Direction Period (s) | SE 4 | NW 9 | W 13 | W 12 | N 8 | — | — | — | — | — | — | NW 7 | — | NW 10 | NW 10 | N 8 | N 7 | SW 16 | — | — | — | N 9 | — | — |
| kJ | 4 | 20 | 55 | 26 | 6 | — | — | — | — | — | — | 2 | — | 4 | 23 | 1 | 1 | 10 | — | — | — | 2 | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | SSE 3 | — | — | — | — | WSW 14 | W 8 | — | — | — | — | — | NE 8 | SSE 3 | S 4 | — | — | S 2 | SSE 3 | SSE 3 | SE 4 | SE 4 | SE 4 |
| kJ | 5 | 4 | — | — | — | — | 3578 | 419 | — | — | — | — | — | 2 | 6 | 9 | — | — | 1 | 1 | 7 | 14 | 15 | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 9 | 9 | 0 | 0 | 9 | 179 | 9 | 9 | 0 | 9 | 9 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 11 | 20 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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