Bunatrahir Bay surfForecast / Mayo and Achill Island / Ireland

information circle48hr Weather and Surf, issued 11 am Wednesday 21 Jan 2026 IST
Forecast 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
9.3° 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 2PM is: 2.0m 12s primary swell from a West direction and 1.2m 5s secondary swell from a East direction (forecast issued at 11:00am January 21). The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (21 Jan)7ft (2.2m)13s
Afternoon (21 Jan)6ft (1.9m)12s
Evening (21 Jan)4.5ft (1.3m)11s

Table - waves today at Bunatrahir Bay. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Wednesday
21
Thursday
22
Friday
23
Saturday
24
9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM
Rating
(10 max)
3
0
0
1
3
3
4
5
!
!
!
!
3
4
4
2
0
0
0
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.2
W
2.1
W
1.9
W
1.3
WNW
1.3
WNW
1.5
W
2.1
W
3
W
4
W
4
W
3.5
W
3.5
W
3
W
2.5
W
2.4
W
2.1
W
1.6
W
1.5
W
0.9
WSW
2.3
W
3
W
3
W
3
W
3
W
Period(s) (?)131212121111181615141414141313131212161616151514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)155912921045477394586276451216625570947794249300922881952145274764642727014004414537663471
Wind
(km/h)
25
ESE
25
E
30
ENE
20
ENE
10
SSE
10
SSW
10
SW
10
S
10
S
5
SSW
5
SSE
5
ESE
10
E
15
ESE
15
SE
25
E
35
E
35
E
30
E
30
E
35
E
35
E
40
E
40
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscrosscrosscross-
off
offcross-
off
offoffglassglassglasscrosscross-
off
cross-
off
crosscrosscrosscrosscrosscrosscrosscrosscross
High Tide
/ height (m)
7:10AM
3.51
7:26PM
2.94
7:43AM
3.51
8:03PM
2.91
8:18AM
3.45
8:42PM
2.84
Low Tide
/ height (m)
1:22PM
0.31
1:16AM
0.30
1:56PM
0.31
1:50AM
0.37
2:32PM
0.34
2:28AM
0.49
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunrise8:42-------8:41-------8:40-------
Sunset--4:53-------4:55-------4:58-----
part cloud
part cloud
light rain
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
Rain (mm)
--145-------------------
Temp. °C576677666777664567766666
Feels °C (?)-10-1154333555320-1-3-10-2-3-3-3-3
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

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.


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