Bunatrahir Bay Surf Break

Lat Long: 54.29° N 9.39° W

Bunatrahir Bay Surf Forecast and Surf Report

Issued: 12 pm 30 Jul 2026 (local time)

Forecast update in  hr  min

Today's Bunatrahir Bay sea temperature is
16.0° C
1.1° 

Bunatrahir Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Bunatrahir Bay surf forecast from 30 Jul 2026:

  • Best quality surf: Thursday 30 Jul, 10PM (local time) - 4.5ft (1.3m), 7s period, W swell with cross-offshore winds.
  • Most powerful swell: Monday 3 Aug, 10PM (local time) - 4.5ft (1.3m), 11s period, N swell with 382 kJ wave energy.
  • Next surfable swell (1★+): Thursday 30 Jul, 10PM (local time) - 4.5ft (1.3m), 7s period with W swell.

Best Forecast Surf Conditions for Bunatrahir Bay this week:

The surf forecast for Bunatrahir Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 30) at 10PM. The primary swell is predicted to be 1.3m and 7s period with a secondary swell of 1.0m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Bunatrahir Bay in the next 16 days are 1.3m 11s and forecast to arrive on Monday (Aug 03) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Thu 30th Jul)4.5ft (1.3m) 7s
Best Surf10PM (Thu 30th Jul)4.5ft (1.3m) 7s
Most Powerful10PM (Mon 3rd Aug)4.5ft (1.3m) 11s

Table - best surf conditions forecast for Bunatrahir Bay over the next 16 days.


Short Range Forecast

Mostly dry. Very mild (max 16°C on Sat afternoon, min 12°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Sun night. Very mild (max 17°C on Tue afternoon, min 14°C on Sun morning). Wind will be generally light.

Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
Tuesday
4
Wednesday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
2
0
0
1
0
0
1
2
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
WNW
8
1.2
WNW
7
1.3
W
7
1.2
W
7
1.1
W
7
1
WNW
7
1.1
WNW
6
1.2
WNW
7
0.8
N
10
1.1
NW
8
1
NW
8
0.9
N
9
0.9
N
8
1
N
9
1.3
N
10
1.1
N
10
1.1
N
9
1.2
N
9
0.8
N
6
1.1
N
6
1.1
NNE
5
Wave Graph
Metric surfscale
Energy kJ
173
143
150
134
113
93
90
116
121
138
129
127
116
157
361
228
201
214
49
85
69
Wind (km/h)
20
W
25
W
15
WSW
20
W
20
W
10
WSW
20
W
20
W
5
WSW
5
SE
5
ENE
5
E
10
E
15
NNE
10
NE
10
ENE
20
NE
5
ENE
10
ENE
15
NE
15
E
Wind State
cross
cross
cross-off
cross
cross
cross-off
cross
cross
glassy
cross-off
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
glassy
cross
cross-on
cross
High Tide
7:23PM3.40m
7:38AM2.91m
7:55PM3.46m
8:11AM2.93m
8:26PM3.46m
8:45AM2.91m
8:59PM3.39m
9:20AM2.87m
9:33PM3.27m
9:59AM2.80m
10:12PM3.11m
10:45AM2.71m
11:00PM2.91m
Low Tide
12:58PM0.38m
1:35AM0.39m
1:29PM0.33m
2:07AM0.34m
2:01PM0.34m
2:38AM0.33m
2:33PM0.39m
3:11AM0.36m
3:08PM0.49m
3:46AM0.44m
3:47PM0.63m
4:27AM0.56m
4:34PM0.79m
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:46
5:48
5:50
5:52
5:52
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:40
9:38
9:37
9:36
9:34
9:31
9:30
 mm
2
Temp °C
15
15
13
15
15
13
15
16
13
16
16
14
16
16
15
16
17
15
16
17
16
Feels °C
10
9
10
10
10
11
11
12
12
15
15
14
14
13
14
14
14
14
13
14
14
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Bunatrahir Bay Surf forecast

The above surf forecast table for Bunatrahir Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Bunatrahir Bay can be found by selecting the local surf guide option on the grey menu. Our Bunatrahir Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Bunatrahir Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Bunatrahir Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Mayo and Achill Island? If you are looking for accommodation near Bunatrahir Bay, camping, hotels and holiday cottages in Mayo and Achill Island, consider staying in Ballina which is 24 km (15 miles) away. Other places in and around Mayo and Achill Island where you can find information about places to rent, and car hire include Belmullet which is 41 km (25 miles) away, Westport, Sligo and Claremorris.

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