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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 Saturday 30 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
13.0° C
(Which is slightly warmer than usual)How big are the waves at Bunatrahir Bay today (31 May):
- Morning surf: Morning surf (31 May, local time) - 6.5ft (2.0m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 6ft (1.9m), 12s period with WSW swell.
- Evening surf: Evening surf (31 May, local time) - 5ft (1.6m), 11s period with WSW swell.
The current surf forecast for Bunatrahir Bay at 1AM is: 1.7m 11s primary swell from a West-southwest direction and 0.5m 10s secondary swell from a North direction (forecast issued at 06:00pm May 30). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 6.5ft (2.0m) | 12s |
| Afternoon (31 May) | 6ft (1.9m) | 12s |
| Evening (31 May) | 5ft (1.6m) | 11s |
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 night. Very mild (max 16°C on Sat afternoon, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | |
1018 | 892 | 777 | 744 | 950 | 1066 | 1036 | 1036 | 921 | 786 | 593 | 534 | 452 | 444 | 353 | 260 | 373 | 416 | 341 | 322 | 265 | 220 | 216 | 211 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | |
High Tide | 6:10PM3.11m | 6:24AM2.90m | 6:44PM3.16m | 7:00AM2.87m | 7:19PM3.17m | 7:35AM2.81m | ||||||||||||||||||
Low Tide | 00:15AM0.55m | 12:21PM0.48m | 00:51AM0.52m | 12:55PM0.49m | 1:28AM0.54m | |||||||||||||||||||
 |  |  |  | | |  | | | |  | | | |  | | | | | | | | | | |
 | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — |
 | — | 9:57 | — | — | — | — | — | — | — | 9:59 | — | — | — | — | — | — | — | — | 10:00 | — | — | — | — | 10:00 |
— | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 13 | 12 | 12 | 12 | 14 | 15 | 16 | 15 | 14 | 13 | 13 | 14 | 14 | 15 | 15 | 14 | 13 | 12 | 12 | 13 | 14 | 15 |
12 | 11 | 9 | 9 | 8 | 8 | 10 | 11 | 12 | 12 | 12 | 11 | 11 | 13 | 13 | 14 | 13 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | NNW 10 | WSW 11 | N 10 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | N 9 | N 9 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | N 8 |
 kJ | 1018 | 892 | 35 | 744 | 54 | 1066 | 1036 | 1036 | 921 | 786 | 593 | 534 | 452 | 444 | 353 | 260 | 27 | 25 | 341 | 322 | 265 | 220 | 216 | 12 |
Swell 2 Height (m) Direction Period (s) | NW 8 | NNW 11 | WNW 7 | N 10 | — | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | ESE 3 | SW 14 | N 9 | N 9 | N 9 | N 8 | N 8 | W 18 |
| kJ | 9 | 38 | 5 | 52 | — | 51 | 49 | 51 | 51 | 51 | 72 | 71 | 48 | 48 | 47 | 46 | 1 | 8 | 25 | 25 | 13 | 12 | 12 | 6 |
Swell 3 Height (m) Direction Period (s) | NNW 11 | WNW 7 | — | NW 7 | — | — | — | — | — | — | — | — | — | — | SW 14 | SW 14 | SW 14 | W 20 | SW 14 | SW 14 | W 19 | W 19 | W 18 | W 18 |
| kJ | 24 | 5 | — | 2 | — | — | — | — | — | — | — | — | — | — | 8 | 8 | 8 | 7 | 8 | 8 | 7 | 7 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | WSW 11 | — | WSW 12 | — | — | — | — | — | — | — | — | S 3 | SE 2 | SSE 3 | WSW 10 | WSW 10 | — | — | — | — | — | WSW 9 |
| kJ | — | — | 777 | — | 950 | — | — | — | — | — | — | — | — | 1 | 2 | 4 | 373 | 416 | — | — | — | — | — | 211 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 9 | 9 | 0 | 0 | 9 | 263 | 288 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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