Bunatrahir Bay Surf Break

Lat Long: 54.29° N 9.39° W

Bunatrahir Bay Surf Forecast and Surf Report

Issued: 12 pm 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Bunatrahir Bay sea temperature is
16.0° C
0.9° 

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 6 Aug 2026:

  • Best quality surf: Saturday 8 Aug, 1AM (local time) - 7.5ft (2.3m), 10s period, WNW swell with offshore winds.
  • Most powerful swell: Friday 7 Aug, 4PM (local time) - 8ft (2.5m), 10s period, WNW swell with 1,295 kJ wave energy.
  • Next surfable swell (1★+): Saturday 8 Aug, 1AM (local time) - 7.5ft (2.3m), 10s period with WNW 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 Saturday (Aug 08) at 1AM. The primary swell is predicted to be 2.3m and 10s period with a secondary swell of 0.1m and 11s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Bunatrahir Bay in the next 16 days are 2.5m 10s and forecast to arrive on Friday (Aug 07) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Friday (Aug 07) at 1AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sat 8th Aug)7.5ft (2.3m) 10s
Best Surf 1AM (Sat 8th Aug)7.5ft (2.3m) 10s
Most Powerful 4PM (Fri 7th Aug)8ft (2.5m) 10s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Sat morning, min 13°C on Thu night). Mainly fresh winds.

Days 4-6 Weather Summary

Some drizzle, heaviest during Tue night. Warm (max 24°C on Tue afternoon, min 15°C on Sun morning). Wind will be generally light.

Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
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
0
0
1
3
3
3
2
2
2
1
2
1
2
1
1
2
1
0
2
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
N
8
0.9
N
7
0.5
N
7
2.1
WNW
9
2.5
WNW
10
2.3
WNW
10
2
W
9
2.1
W
9
1.6
WNW
9
1.6
WNW
9
1.4
WNW
8
1
NW
8
1
N
10
1.2
N
10
1.1
N
10
0.8
N
9
0.7
N
8
1.4
WSW
10
1.2
WSW
9
1.6
WSW
10
1.8
WSW
10
Wave Graph
Metric surfscale
Energy kJ
177
88
24
645
1295
920
670
702
432
413
250
129
202
296
225
99
69
363
221
461
676
Wind (km/h)
15
WSW
25
WSW
15
SW
25
SW
30
WSW
15
SSW
20
S
20
SSW
15
SW
15
SW
5
WSW
15
SW
15
WSW
10
WNW
5
SE
15
SSE
20
SSW
15
SSE
20
S
30
SW
20
SW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
glassy
cross-off
cross-off
cross
cross-off
off
off
off
off
cross-off
cross-off
High Tide
11:41AM2.60m
00:03AM2.71m
12:53PM2.54m
1:25AM2.57m
2:19PM2.61m
2:56AM2.59m
3:38PM2.83m
4:13AM2.73m
4:43PM3.14m
5:14AM2.92m
5:36PM3.46m
6:05AM3.09m
6:22PM3.72m
Low Tide
5:35PM0.95m
6:22AM0.87m
6:59PM1.05m
7:47AM0.93m
8:37PM0.98m
9:10AM0.85m
10:00PM0.74m
10:17AM0.66m
11:02PM0.45m
11:11AM0.43m
11:54PM0.18m
11:58AM0.24m
00:40AM-0.01m
cloud
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part cloud
clear
part cloud
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cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:58
6:00
6:01
6:03
6:05
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:28
9:25
9:23
9:22
9:20
9:17
9:15
 mm
1
Temp °C
16
16
14
16
16
14
17
16
15
15
16
15
18
18
16
22
24
20
22
21
17
Feels °C
12
11
12
11
10
11
13
12
13
13
17
15
17
17
16
20
21
20
18
17
14
  • 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
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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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