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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 am Saturday 16 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 3PM is: 1.0m 13s primary swell from a West direction and 0.6m 10s secondary swell from a North direction, 1.6m 7s secondary swell from a West direction (forecast issued at 06:00am May 16). The wind direction is predicted to be cross-shore.
| 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 19mm), heaviest on Mon night. Very mild (max 13°C on Mon afternoon, min 6°C on Sun night). Winds decreasing (fresh winds from the W on Sat afternoon, light winds from the W by Sun night). | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 8 | W 8 | WNW 8 | WNW 7 | W 12 | W 12 | W 10 | W 13 | W 13 | W 12 | W 13 | W 13 | W 12 | W 12 | W 12 | W 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | |
115 | 121 | 196 | 232 | 365 | 1469 | 1481 | 3974 | 4514 | 4016 | 3711 | 3300 | 2655 | 2405 | 1989 | 1656 | 1291 | 1066 | 954 | 754 | 610 | 473 | 356 | 245 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-on | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 5:40AM3.45m | 6:11PM3.45m | 6:28AM3.48m | 6:54PM3.57m | 7:16AM3.41m | 7:40PM3.60m | ||||||||||||||||||
Low Tide | 11:51AM-0.02m | 00:13AM0.12m | 12:34PM-0.02m | 1:01AM0.03m | 1:17PM0.05m | |||||||||||||||||||
 |  |  | | |  |  | | | | |  | | | | | |  | | | | |  | | |
 | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | 5:26 |
 | — | — | — | — | — | 9:36 | — | — | — | — | — | — | — | 9:37 | — | — | — | — | — | — | — | 9:38 | — | 9:40 |
— | — | 1 | — | — | 1 | — | — | — | — | 3 | 3 | 1 | 1 | — | — | — | — | — | — | — | 1 | 4 | 3 | |
Temp °C | 10 | 10 | 10 | 11 | 11 | 10 | 9 | 8 | 8 | 8 | 8 | 10 | 9 | 10 | 8 | 7 | 6 | 6 | 9 | 12 | 13 | 10 | 9 | 10 |
8 | 7 | 5 | 4 | 4 | 3 | 2 | 2 | 2 | 3 | 3 | 4 | 3 | 6 | 5 | 5 | 3 | 3 | 5 | 7 | 8 | 6 | 3 | 6 | |
Swell 1 Height (m) Direction Period (s) | 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 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
 kJ | 115 | 121 | 75 | 232 | 365 | 288 | 912 | 33 | 32 | 4016 | 3711 | 3300 | 2655 | 2405 | 1989 | 1656 | 1291 | 1066 | 954 | 754 | 610 | 473 | 356 | 245 |
Swell 2 Height (m) Direction Period (s) | N 7 | N 10 | WNW 14 | N 10 | N 10 | N 10 | N 10 | — | — | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 |
| kJ | 51 | 100 | 147 | 75 | 53 | 52 | 51 | — | — | 31 | 31 | 31 | 29 | 28 | 28 | 28 | 16 | 26 | 26 | 26 | 31 | 26 | 26 | 25 |
Swell 3 Height (m) Direction Period (s) | WNW 16 | WNW 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 16 | W 15 |
| kJ | 24 | 71 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 17 |
Wind waves Height (m) Direction Period (s) | — | — | WNW 8 | WNW 7 | W 7 | W 12 | W 10 | W 13 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | SE 3 | SE 3 | SE 4 |
| kJ | — | — | 196 | 212 | 240 | 1469 | 1481 | 3974 | 4514 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | 22 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 42 | 157 | 263 | 266 | 203 | 203 | 182 | 203 | 26 | 179 | 179 | 179 | 9 | 0 | 0 | 0 | 0 | 21 | 26 | 20 | 61 | 170 |
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)
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Ocean Swells (m)- Wind Speed (km/h)
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