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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 am Friday 01 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 1.2°C warmer than normal for this time of year)How big are the waves at Bunatrahir Bay today?
The current surf forecast for Bunatrahir Bay at 8AM is: 1.5m 12s primary swell from a West-northwest direction and 0.6m 11s secondary swell from a West-southwest direction (forecast issued at 12:00am May 01). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 5ft (1.5m) | 12s |
| Afternoon (01 May) | 4.5ft (1.3m) | 11s |
| Evening (01 May) | 4.5ft (1.3m) | 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 13mm), heaviest on Sat morning. Very mild (max 15°C on Fri morning, min 9°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the N by Sun morning). | ||||||||||||||||||||||||
Friday 1 | Saturday 2 | Sunday 3 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | NW 10 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | WNW 10 | WNW 10 | WNW 10 | N 7 | N 8 | N 8 | N 7 | N 7 | |
797 | 734 | 636 | 518 | 483 | 403 | 366 | 441 | 425 | 409 | 450 | 458 | 441 | 530 | 459 | 408 | 327 | 296 | 307 | 418 | 585 | 535 | 389 | 298 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | off | off | cross-on | cross-on | cross | glassy | off | off | off | glassy | on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 6:12AM3.22m | 6:35PM3.24m | 6:45AM3.17m | 7:05PM3.27m | 7:18AM3.07m | 7:36PM3.23m | ||||||||||||||||||
Low Tide | 00:00AM0.42m | 12:17PM0.24m | 00:34AM0.37m | 12:46PM0.28m | 1:07AM0.37m | 1:16PM0.36m | ||||||||||||||||||
 |  |  |  | |  |  | |  |  | | | | | |  | | | | | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:08 | — | — | — | — | — | — | — | 9:10 | — | — | — | — | — | — | — | 9:13 | — |
— | — | — | — | — | 1 | 1 | — | 1 | — | — | — | 5 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 12 | 12 | 15 | 14 | 13 | 11 | 11 | 10 | 9 | 11 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 |
10 | 10 | 11 | 10 | 14 | 12 | 11 | 9 | 10 | 8 | 7 | 9 | 8 | 8 | 7 | 6 | 4 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | NW 10 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 |
 kJ | 797 | 734 | 636 | 518 | 483 | 403 | 366 | 441 | 425 | 409 | 450 | 458 | 441 | 530 | 459 | 408 | 327 | 296 | 307 | 247 | 207 | 180 | 184 | 176 |
Swell 2 Height (m) Direction Period (s) | WSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | SW 9 | W 9 | W 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | 82 | 88 | 93 | 66 | 64 | 35 | 33 | 31 | 17 | 16 | 8 | 3 | 1 | 2 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 5 | N 5 | N 6 | N 6 | N 7 | N 8 | N 8 | N 7 | N 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 61 | 94 | 141 | 218 | 418 | 585 | 535 | 389 | 298 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 20 | 0 | 0 | 0 | 42 | 52 | 20 | 0 | 0 | 0 | 0 | 0 | 52 | 58 | 131 | 131 | 151 | 92 | 191 | 252 | 535 | 537 | 92 |
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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