- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 Wednesday 20 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 8AM is: 2.5m 14s primary swell from a West direction and 0.2m 8s secondary swell from a North direction (forecast issued at 12:00am May 20). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 8ft (2.5m) | 13s |
| Afternoon (20 May) | 7.5ft (2.3m) | 12s |
| Evening (20 May) | 6ft (1.8m) | 12s |
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 7mm), mostly falling on Thu afternoon. Very mild (max 17°C on Fri morning, min 10°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
W 15 | WSW 14 | W 14 | W 13 | W 13 | W 12 | W 12 | WSW 12 | W 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 12 | WSW 11 | WSW 11 | WSW 10 | |
2717 | 3076 | 2580 | 2187 | 1932 | 1459 | 1136 | 819 | 596 | 478 | 643 | 622 | 522 | 425 | 356 | 370 | 487 | 487 | 436 | 444 | 550 | 651 | 571 | 435 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross-off | cross-off | cross-off | off | off | cross-off | off | off | off | off | off | cross-off | cross-off | off | cross-off | off | off | off | cross-off | cross-off | cross-off | |
High Tide | 9:00AM3.02m | 9:22PM3.45m | 9:57AM2.76m | 10:20PM3.30m | 11:01AM2.53m | |||||||||||||||||||
Low Tide | 2:43AM0.17m | 2:49PM0.39m | 3:41AM0.35m | 3:41PM0.60m | 4:48AM0.55m | 4:41PM0.81m | ||||||||||||||||||
 |  |  |  |  | | |  | | | | | | | | | | | | | | | |  | |
 | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:42 | — | — | — | — | — | — | — | 9:44 | — | — | — | — | — | — | — | 9:45 | — |
— | 1 | 1 | — | — | — | — | — | — | 1 | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 11 | 12 | 14 | 15 | 14 | 13 | 12 | 13 | 14 | 14 | 16 | 15 | 14 | 13 | 13 | 12 | 13 | 15 | 17 | 17 | 15 | 13 |
7 | 7 | 7 | 8 | 8 | 10 | 11 | 11 | 9 | 10 | 11 | 11 | 13 | 14 | 12 | 10 | 10 | 9 | 11 | 11 | 12 | 12 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | W 15 | WSW 14 | W 14 | W 13 | W 13 | W 12 | W 12 | WSW 12 | W 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 12 | N 6 | N 8 | N 6 |
 kJ | 2717 | 3076 | 2580 | 2187 | 1932 | 1459 | 1136 | 819 | 596 | 478 | 643 | 622 | 522 | 425 | 356 | 370 | 487 | 487 | 436 | 444 | 550 | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | NNE 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NW 6 | NW 6 | NW 9 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NNW 7 | NNW 8 | NNW 7 | NW 7 | NNW 7 | N 8 | N 8 | — |
| kJ | 14 | 12 | 5 | 5 | 5 | 5 | 1 | 23 | 32 | 99 | 100 | 67 | 48 | 20 | 14 | 8 | 5 | 6 | 5 | 2 | 5 | 1 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 8 | NNW 10 | N 8 | N 8 | SW 16 | SW 16 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | N 8 | N 8 | N 8 | NW 6 | — | — | — |
| kJ | — | — | — | — | — | — | — | 1 | 9 | 1 | 1 | 10 | 10 | 8 | 8 | 8 | 8 | 1 | 1 | 1 | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | — | — | — | — | — | — | — | SSE 2 | SSE 3 | SE 4 | SSE 3 | S 3 | — | SSE 2 | SE 3 | SE 4 | SE 4 | SSE 4 | SSE 3 | SSE 3 | WSW 11 | WSW 11 | WSW 10 |
| kJ | 13 | — | — | — | — | — | — | — | 2 | 6 | 3 | 4 | 2 | — | 1 | 4 | 14 | 12 | 5 | 5 | 4 | 651 | 571 | 435 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 9 | 194 | 232 | 232 | 9 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 49 | 0 | 20 | 0 | 0 | 0 | 9 | 9 | 0 |
Best forecast wave conditions in Mayo and Achill Island | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Bunatrahir Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest