Bunatrahir Bay Surf Break

Lat Long: 54.29° N 9.39° W

Issued: 12 am 02 Jul 2026 (local time)

Forecast update in  hr  min

Today's Bunatrahir Bay sea temperature is
14.9° C

1.1°C warmer than normal for this time of year

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 2 Jul 2026:

  • Best quality surf: Friday 3 Jul, 1PM (local time) - 4.5ft (1.3m), 12s period, NW swell with offshore winds.
  • Most powerful swell: Saturday 4 Jul, 4PM (local time) - 10ft (3.0m), 9s period, W swell with 1,459 kJ wave energy.
  • Next surfable swell (1★+): Friday 3 Jul, 4AM (local time) - 5ft (1.5m), 10s period with WSW 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 Friday (Jul 03) at 4AM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 1.2m 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 3.0m 9s and forecast to arrive on Saturday (Jul 04) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Fri 3rd Jul)5ft (1.5m) 10s
Best Surf 1PM (Fri 3rd Jul)4.5ft (1.3m) 12s
Most Powerful 4PM (Sat 4th Jul)10ft (3.0m) 9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 17°C on Sat morning, min 12°C on Wed night). Winds decreasing (strong winds from the W on Wed night, light winds from the SW by Thu night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 22°C on Tue afternoon, min 13°C on Sun night). Mainly fresh winds.

Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
1
2
3
1
1
2
2
2
0
1
1
0
0
1
1
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
W
10
1.6
W
10
1.6
WSW
10
1.4
WSW
10
1.3
NW
11
2.1
W
10
2.5
W
9
3
W
9
2.4
W
10
2
W
10
1.8
W
10
1.5
W
9
1.5
W
8
1.5
W
7
1.3
W
8
1.6
W
9
1.6
W
9
1.5
W
9
1.4
W
9
1.4
W
10
1.3
W
9
Wave Graph
Metric surfscale
Energy kJ
855
509
482
418
375
849
1184
1459
1048
710
573
359
324
251
196
431
431
367
341
349
295
Wind (km/h)
25
WNW
20
W
15
SW
15
SSW
15
S
25
SW
35
SW
35
WSW
20
WSW
15
WSW
25
WSW
20
SW
25
SW
30
SW
20
SW
25
SW
25
SW
15
SSW
15
SSW
15
SW
5
SW
Wind State
cross
cross
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
High Tide
7:58AM2.76m
8:19PM3.27m
8:33AM2.72m
8:54PM3.25m
9:10AM2.66m
9:29PM3.20m
9:49AM2.61m
10:06PM3.12m
10:33AM2.55m
10:47PM3.02m
11:24AM2.51m
11:36PM2.92m
12:23PM2.50m
00:35AM2.82m
Low Tide
1:49PM0.48m
2:31AM0.57m
2:23PM0.51m
3:07AM0.60m
2:57PM0.58m
3:44AM0.63m
3:34PM0.68m
4:24AM0.66m
4:15PM0.80m
5:09AM0.69m
5:06PM0.92m
6:02AM0.73m
6:09PM1.01m
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:09
5:09
5:09
5:11
5:11
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:14
10:13
10:13
10:12
10:12
10:10
10:09
 mm
Temp °C
14
15
13
15
16
16
17
16
14
14
15
14
19
20
16
21
22
18
23
23
17
Feels °C
10
11
10
12
14
12
12
11
11
12
11
12
14
15
12
16
17
16
20
21
17
Swell 1
Height (m)
Direction
Period (s)
2.1
W
10
1.6
NW
8
1.2
NW
7
1.4
WSW
10
1.3
WSW
10
0.7
W
10
2
W
10
0.1
W
16
0.1
N
10
0.4
WNW
10
1.6
W
9
1.6
W
9
1.5
W
9
1.4
W
9
1.4
W
10
1.3
W
9
Energy kJ
855
308
139
418
370
100
710
5
2
35
431
431
367
341
349
295
Swell 2
Height (m)
Direction
Period (s)
1.1
NW
8
1.3
NW
11
0.1
W
16
0.2
N
10
0.2
N
8
0.2
N
8
0.1
N
8
0.1
N
8
0.1
N
8
0.1
N
8
Energy kJ
153
375
5
7
6
5
1
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.4
NW
12
0.1
N
7
Energy kJ
53
1
Wind waves
Height (m)
Direction
Period (s)
1.8
NW
9
1.6
W
10
1.6
WSW
10
2.1
W
10
2.5
W
9
3
W
9
2.4
W
10
1.8
W
10
1.5
W
9
1.5
W
8
1.5
W
7
1.3
W
8
Energy kJ
481
509
482
849
1184
1459
1048
573
359
324
251
196
Nearest Offshore or Glassy
Rating
(10 max)
4
3
2
2
3
3
1
1
3
2
1
2
1
1
1
2
2
2
2
2
2
Distance (km)
243
243
9
0
0
9
520
737
9
42
232
9
9
242
9
9
9
0
0
0
0
Best forecast wave conditions in Mayo and Achill Island
Rating
(10 max)
2
2
3
3
3
2
1
1
2
2
2
2
2
2
Best forecast wave conditions in Ireland
Rating
(10 max)
4
3
3
2
3
3
3
2
2
2
1
1
1
2
2
2
2
2
2
Header Global
Rating
(10 max)
7
9
9
5
5
5
7
5
5
9
7
7
7
9
9
7
7
9
9
6
6
  • 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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