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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 Wednesday 27 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
12.2° 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 12PM is: 0.8m 10s primary swell from a West direction and 0.4m 7s secondary swell from a Northwest direction, 0.7m 5s secondary swell from a Northeast direction (forecast issued at 06:00am May 27). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 3ft (0.9m) | 10s |
| Afternoon (27 May) | 2.5ft (0.8m) | 10s |
| Evening (27 May) | 2ft (0.6m) | 9s |
Table - waves today at Bunatrahir Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Wed afternoon, min 12°C on Fri night). Winds increasing (light winds from the SSW on Thu afternoon, fresh winds from the WSW by Fri morning). | ||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | WNW 8 | WSW 16 | WSW 16 | NW 10 | WNW 9 | WSW 6 | WSW 7 | W 7 | W 8 | WSW 9 | WSW 7 | |
249 | 198 | 156 | 121 | 90 | 85 | 60 | 58 | 40 | 39 | 38 | 22 | 21 | 26 | 26 | 26 | 24 | 33 | 213 | 257 | 315 | 283 | 221 | 134 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | |
High Tide | 3:40AM2.90m | 4:21PM2.77m | 4:27AM2.90m | 5:00PM2.92m | 5:09AM2.91m | 5:36PM3.03m | ||||||||||||||||||
Low Tide | 10:03AM0.59m | 10:17PM0.82m | 10:40AM0.54m | 11:00PM0.71m | 11:14AM0.50m | 11:38PM0.61m | ||||||||||||||||||
 |  | | | | | |  | |  | | |  | | |  | | | | | | | | | |
 | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | 5:13 |
 | — | — | — | — | — | 9:52 | — | — | — | — | — | — | — | 9:54 | — | — | — | — | — | — | — | 9:55 | — | 9:57 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 17 | 20 | 23 | 22 | 18 | 17 | 16 | 15 | 16 | 17 | 19 | 16 | 15 | 13 | 13 | 13 | 13 | 15 | 16 | 15 | 14 | 12 |
12 | 13 | 15 | 18 | 22 | 21 | 16 | 16 | 14 | 13 | 13 | 14 | 18 | 13 | 13 | 8 | 9 | 8 | 8 | 8 | 10 | 11 | 11 | 9 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | WNW 8 | WNW 8 | NW 10 | NW 10 | WNW 9 | WNW 9 | WNW 8 | WSW 11 | WSW 10 | WSW 9 | WSW 7 |
 kJ | 249 | 198 | 156 | 121 | 90 | 85 | 60 | 58 | 40 | 39 | 38 | 22 | 21 | 22 | 13 | 16 | 24 | 33 | 32 | 52 | 68 | 73 | 221 | 134 |
Swell 2 Height (m) Direction Period (s) | W 19 | W 19 | NW 7 | NW 7 | NW 7 | NW 7 | NNE 5 | NNE 5 | NNE 5 | NE 5 | NNW 6 | NNW 6 | ESE 3 | NNW 6 | WSW 16 | WSW 16 | WSW 15 | SW 18 | SW 18 | SW 18 | WSW 17 | WSW 16 | WNW 8 | WNW 8 |
| kJ | 7 | 7 | 12 | 11 | 11 | 11 | 13 | 9 | 9 | 6 | 4 | 3 | 1 | 3 | 26 | 26 | 23 | 13 | 13 | 13 | 29 | 25 | 142 | 88 |
Swell 3 Height (m) Direction Period (s) | — | — | W 19 | W 19 | SW 18 | SW 18 | NW 6 | NW 6 | NNW 6 | NNW 6 | SW 18 | NE 4 | NNW 6 | WSW 16 | WNW 11 | E 5 | N 7 | N 7 | N 7 | — | — | — | WSW 16 | WSW 16 |
| kJ | — | — | 7 | 7 | 13 | 12 | 10 | 10 | 8 | 4 | 12 | 1 | 3 | 26 | 11 | 1 | 1 | 1 | 1 | — | — | — | 25 | 26 |
Wind waves Height (m) Direction Period (s) | NNE 5 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | E 3 | ESE 3 | ESE 3 | ESE 3 | E 3 | ESE 3 | — | SW 4 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 7 | W 7 | W 8 | — | S 3 |
| kJ | 42 | 26 | 21 | 18 | 18 | 17 | 6 | 4 | 4 | 4 | 5 | 4 | — | 10 | 29 | 111 | 111 | 176 | 213 | 257 | 315 | 283 | — | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 20 | 0 | 11 | 21 | 20 | 20 | 0 | 20 | 107 | 107 | 482 | 527 | 736 | 459 | 124 | 26 | 179 | 232 | 225 | 511 | 9 | 0 | 0 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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