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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 Thursday 28 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 (28 May):
- Morning surf: Morning surf (28 May, local time) - 1.5ft (0.5m), 9s period with W swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 1.5ft (0.4m), 8s period with W swell.
- Evening surf: Evening surf (28 May, local time) - 0.5ft (0.2m), 16s period with WSW swell.
The current surf forecast for Bunatrahir Bay at 7PM is: 0.2m 16s primary swell from a West-southwest direction and 0.4m 8s secondary swell from a West-northwest direction, 0.2m 6s secondary swell from a North-northwest direction (forecast issued at 12:00pm May 28). An open ocean swell of 0.6m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 1.5ft (0.5m) | 9s |
| Afternoon (28 May) | 1.5ft (0.4m) | 8s |
| Evening (28 May) | 0.5ft (0.2m) | 16s |
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 3mm), mostly falling on Sat morning. Very mild (max 17°C on Thu morning, min 12°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 9 | W 8 | W 8 | WNW 8 | WSW 16 | WSW 16 | NW 10 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WNW 8 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 10 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 12 | WSW 12 | |
38 | 22 | 21 | 26 | 26 | 26 | 24 | 205 | 282 | 281 | 208 | 131 | 255 | 183 | 183 | 228 | 391 | 933 | 887 | 770 | 711 | 815 | 1082 | 1170 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | |
High Tide | 5:00PM2.92m | 5:09AM2.91m | 5:36PM3.03m | 5:47AM2.91m | 6:10PM3.11m | 6:24AM2.90m | ||||||||||||||||||
Low Tide | 10:40AM0.54m | 11:00PM0.71m | 11:14AM0.50m | 11:38PM0.61m | 11:48AM0.48m | 00:15AM0.55m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | | | |  | | | |  | | | | |
 | 5:15 | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:11 | — |
 | — | — | — | 9:54 | — | — | — | — | — | — | — | 9:55 | — | — | — | — | — | — | — | 9:57 | — | — | — | 9:59 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 17 | 16 | 14 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 13 | 14 | 16 | 13 | 13 | 12 | 12 |
14 | 14 | 15 | 13 | 10 | 8 | 8 | 8 | 8 | 9 | 9 | 11 | 11 | 10 | 10 | 9 | 9 | 10 | 12 | 12 | 10 | 9 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 8 | W 8 | WNW 8 | WNW 11 | NW 10 | NW 10 | WNW 9 | NW 9 | NW 9 | WNW 8 | WNW 8 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 10 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | NNW 10 | NNW 10 | N 9 |
 kJ | 38 | 22 | 21 | 22 | 11 | 16 | 24 | 33 | 21 | 38 | 67 | 131 | 255 | 183 | 183 | 228 | 391 | 933 | 887 | 770 | 711 | 19 | 31 | 27 |
Swell 2 Height (m) Direction Period (s) | NNW 6 | E 3 | ESE 3 | NNW 6 | WSW 16 | WSW 16 | WSW 15 | WSW 13 | SW 18 | SW 18 | WSW 11 | WSW 10 | WNW 8 | WNW 8 | NW 7 | NW 7 | W 13 | NW 7 | NW 7 | NW 7 | NNW 10 | WNW 7 | NW 10 | N 12 |
| kJ | 4 | 2 | 1 | 3 | 26 | 26 | 23 | 18 | 13 | 13 | 65 | 122 | 91 | 72 | 43 | 26 | 90 | 14 | 14 | 8 | 19 | 5 | 4 | 3 |
Swell 3 Height (m) Direction Period (s) | SW 18 | NNW 6 | NNW 6 | WSW 16 | N 6 | N 7 | N 7 | SW 18 | — | W 18 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 10 | WNW 7 | NW 7 | N 10 | SSE 4 | WNW 7 | — | — | — |
| kJ | 12 | 3 | 3 | 26 | 1 | 1 | 1 | 13 | — | 7 | 29 | 25 | 25 | 26 | 25 | 21 | 21 | 14 | 2 | 1 | 5 | — | — | — |
Wind waves Height (m) Direction Period (s) | E 4 | SSE 3 | — | SW 5 | SW 6 | SW 6 | SW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | — | S 3 | SSE 3 | S 3 | SSE 3 | SE 4 | SE 4 | — | S 3 | WSW 11 | WSW 12 | WSW 12 |
| kJ | 6 | 1 | — | 22 | 92 | 124 | 164 | 205 | 282 | 281 | 208 | 78 | — | 2 | 3 | 5 | 7 | 6 | 5 | — | 3 | 815 | 1082 | 1170 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 225 | 527 | 736 | 527 | 459 | 475 | 179 | 244 | 244 | 244 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 9 | 9 | 9 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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