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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 Sunday 10 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
11.9° C
(Which is slightly warmer than usual)How big are the waves at Bunatrahir Bay today?
The current surf forecast for Bunatrahir Bay at 3AM is: 2.0m 8s primary swell from a North-northwest direction and 0.3m 9s secondary swell from a West direction (forecast issued at 06:00pm May 10). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 7ft (2.2m) | 8s |
| Afternoon (11 May) | 5.5ft (1.7m) | 9s |
| Evening (11 May) | 5.5ft (1.7m) | 9s |
Table - waves today at Bunatrahir Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Sun night. Very mild (max 11°C on Tue afternoon, min 8°C on Tue night). Winds increasing (light winds from the NW on Mon afternoon, strong winds from the NW by Wed morning). | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 10 | NNW 10 | NNW 10 | NNW 8 | NNW 8 | NNW 8 | NW 9 | NNW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 7 | NW 8 | NW 9 | NW 10 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 | |
584 | 512 | 587 | 516 | 547 | 612 | 384 | 541 | 437 | 440 | 460 | 493 | 720 | 558 | 773 | 1058 | 1419 | 1996 | 2541 | 3490 | 5638 | 7886 | 8297 | 7118 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | |
High Tide | 1:21AM2.64m | 2:14PM2.27m | 2:22AM2.77m | 3:13PM2.49m | 3:16AM2.96m | |||||||||||||||||||
Low Tide | 6:42PM1.24m | 8:08AM1.00m | 8:00PM1.17m | 9:02AM0.76m | 9:02PM1.00m | 9:47AM0.49m | ||||||||||||||||||
 |  |  | |  |  | | | | | | |  |  | | | | | |  | | |  | | |
 | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — |
 | — | 9:24 | — | — | — | — | — | — | — | 9:27 | — | — | — | — | — | — | — | 9:29 | — | — | — | — | — | 9:30 |
— | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | |
Temp °C | 10 | 10 | 9 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 10 | 9 | 10 | 9 | 10 | 10 | 11 | 10 | 10 | 9 | 8 | 9 | 9 | 10 |
4 | 5 | 4 | 5 | 5 | 5 | 4 | 4 | 5 | 7 | 6 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 0 | -2 | 0 | 0 | 0 | |
Swell 1 Height (m) Direction Period (s) | N 10 | W 10 | W 10 | W 9 | W 9 | W 9 | NW 9 | NNW 9 | NW 9 | NW 9 | N 9 | N 9 | SW 19 | N 9 | NNE 9 | NNE 9 | NNE 9 | N 9 | N 9 | SW 18 | SW 18 | SW 18 | SW 17 | — |
 kJ | 584 | 30 | 29 | 15 | 15 | 14 | 384 | 541 | 437 | 440 | 101 | 79 | 15 | 39 | 26 | 28 | 28 | 26 | 14 | 12 | 12 | 12 | 12 | — |
Swell 2 Height (m) Direction Period (s) | W 10 | — | — | — | — | W 15 | N 8 | N 8 | N 8 | NNE 9 | W 20 | W 20 | — | WNW 14 | WNW 14 | SW 19 | SW 18 | SW 18 | SW 18 | — | — | — | — | — |
| kJ | 30 | — | — | — | — | 4 | 273 | 92 | 147 | 126 | 8 | 7 | — | 38 | 36 | 14 | 13 | 12 | 12 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 9 | W 9 | WNW 13 | W 21 | — | — | — | SW 19 | SW 19 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 14 | 14 | 35 | 9 | — | — | — | 15 | 15 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 10 | NNW 10 | NNW 8 | NNW 8 | NNW 8 | — | — | — | — | NW 9 | NW 9 | NW 9 | NW 7 | NW 8 | NW 9 | NW 10 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | NW 12 |
| kJ | — | 512 | 587 | 516 | 547 | 612 | — | — | — | — | 460 | 493 | 720 | 558 | 773 | 1058 | 1419 | 1996 | 2541 | 3490 | 5638 | 7886 | 8297 | 7118 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 545 | 557 | 619 | 453 | 475 | 453 | 58 | 286 | 151 | 459 | 194 | 278 | 278 | 300 | 574 | 539 | 513 | 517 | 517 | 518 | 518 | 606 | 1201 | 1216 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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