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Surf Forecasts:

Bunatrahir Bay surfForecast / Mayo and Achill Island / Ireland

information circle12 Day Weather and Surf, issued 11 am Tuesday 25 Nov 2025 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
11.6° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Bunatrahir Bay this week:

The surf forecast for Bunatrahir Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Nov 25) at 6PM. The primary swell is predicted to be 0.9m and 11s period with a secondary swell of 0.9m and 9s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Bunatrahir Bay in the next 12 days are 8.0m 16s and forecast to arrive on Friday (Nov 28) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Monday (Dec 01) at 3AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Tue 25th Nov)3ft (0.9m) 11s
Best Surf12PM (Thu 27th Nov)11ft (3.5m) 10s
Most Powerful12AM (Fri 28th Nov)26ft (8.0m) 16s

Table - best surf conditions forecast for Bunatrahir Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 5mm), mostly falling on Wed night. Very mild (max 14°C on Wed night, min 7°C on Tue night). Winds increasing (light winds from the WSW on Tue morning, strong winds from the SW by Thu afternoon).

Days 3-6 Weather Summary Moderate rain (total 17mm), heaviest on Sun night. Mild temperatures (max 9°C on Sat morning, min 5°C on Sun afternoon). Winds decreasing (strong winds from the WSW on Fri morning, calm by Sat night).

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
01
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
1
2
1
3
1
0
!
!
!
!
!
0
3
4
4
0
3
2
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
WNW
0.9
WSW
0.8
WSW
1.7
WSW
1.7
W
2.2
WSW
3
WSW
5
WSW
8
W
7
W
6.5
W
5
WNW
3.5
NNW
3.5
N
2.5
N
2.4
N
2.2
N
1.6
N
2
WSW
2.3
W
1.9
W
Period(s) (?)9111110109101116151413141413121313101112
Wave
Graph
(?)Metric surfscale
Energy kJ (?)249225156563563831146154783217020914173419096457042812392174016048227481311963
Wind
(km/h)
5
WSW
10
S
20
SSE
15
S
20
SW
25
SSW
45
SW
50
SW
45
SW
40
WSW
40
WSW
15
W
20
NNW
25
N
10
NNW
5
SSW
15
SSE
40
SSE
15
SSE
15
NNE
10
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offoffoffcross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
on		ononglassoffcross-
off		offonoff
High Tide
/ height (m)
8:33PM
2.42
9:03AM
2.85
9:25PM
2.30
9:55AM
2.78
10:32PM
2.23
10:56AM
2.76
11:47PM
2.26
12:01PM
2.80
1:00AM
2.41
1:05PM
2.91
2:02AM
2.64
2:06PM
3.05
2:56AM
2.90
Low Tide
/ height (m)
2:29PM
0.88
2:21AM
0.84
3:20PM
0.99
3:08AM
0.98
4:23PM
1.02
4:09AM
1.10
5:35PM
0.96
5:25AM
1.15
6:44PM
0.80
6:44AM
1.09
7:44PM
0.59
7:53AM
0.91
8:36PM
0.37
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
01
Sunrise8:22--8:25--8:26--8:27--8:30--8:32--8:33--
Sunset-4:23--4:22--4:22--4:21--4:20--4:19--4:17-
part cloud
cloud
cloud
cloud
cloud
light rain
part cloud
clear
rain showers
light rain
rain showers
rain showers
light rain
cloud
part cloud
clear
cloud
mod rain
light rain
light rain
rain showers
Rain (mm)
-----4--11233----8423
Temp. °C8979121414109888987669101010
Feels °C (?)56368960-1-2-12223314777
  • 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

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Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.

Feel that? If you are in the northern hemisphere, you will have had that first bite of winter. The lick of a frost, the chill of a cold offshore breeze and the sound of winter swells pounding the shores. If you are near the mountains, your favourite jackets, gloves, and footwear might get dusted off and prepped for battle. And in that beautiful Venn diagram, you will find PrimaLoft. They have spent over 40 years developing innovative insulations that have powered your warmest winter gear. In t

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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.

View detailed surf forecast for Bunatrahir Bay at:
surf-forecast.com

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 12 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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