Bunatrahir Bay surfForecast / Mayo and Achill Island / Ireland

information circle12 Day Weather and Surf, issued 11 pm Sunday 11 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
9.6° C
(Which is normal for this time of year)


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 Monday (Jan 12) at 3PM. The primary swell is predicted to be 2.3m and 11s period with a secondary swell of 1.8m and 13s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Bunatrahir Bay in the next 12 days are 5.0m 18s and forecast to arrive on Thursday (Jan 15) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 5s period and expected on Saturday (Jan 17) at 9PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Mon 12th Jan)7.5ft (2.3m) 11s
Best Surf 6AM (Thu 15th Jan)15ft (4.5m) 19s
Most Powerful 9AM (Thu 15th Jan)16ft (5.0m) 18s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 22mm), heaviest during Mon night. Mild temperatures (max 9°C on Sun night, min 4°C on Tue night). Winds decreasing (strong winds from the SW on Sun night, light winds from the NE by Mon night).

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Wed night. Mild temperatures (max 7°C on Thu afternoon, min 2°C on Thu night). Wind will be generally light.

Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sun
18
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
!
3
4
3
0
0
4
3
4
4
!
!
!
!
!
4
4
2
1
3
!
Swell
Height Map
Wave Height (m) & direction (?)
4
W
3
W
2.3
W
3
NNW
3
NNW
3
NNW
3
NW
1.9
NNW
1.9
WSW
2.2
W
5
W
4.5
W
4.5
W
3.5
W
3.5
W
3
W
2.3
W
1.9
W
2.3
WSW
2.3
W
4
W
Period(s) (?)101111121212111112111817161515141212111012
Wave
Graph
(?)Metric surfscale
Energy kJ (?)31761870130422292513256118348149831234146341280998995529597739961547969114611224672
Wind
(km/h)
40
SW
25
SSW
10
WSW
10
NE
30
NW
30
NW
15
SW
25
S
15
S
15
SSW
15
SSW
15
SSW
15
SSE
15
ESE
10
ENE
5
ENE
10
SSE
20
SE
30
SE
10
SE
20
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
cross-
off
offoffoffcross-
off
offcross-
off
cross-
off
crosscrossoffcross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
12:09AM
2.34
12:25PM
2.43
1:21AM
2.35
1:40PM
2.35
2:31AM
2.45
2:50PM
2.39
3:28AM
2.61
3:45PM
2.49
4:14AM
2.79
4:30PM
2.62
4:54AM
2.99
5:08PM
2.75
5:30AM
3.17
5:44PM
2.85
Low Tide
/ height (m)
6:07AM
1.24
6:55PM
1.09
7:31AM
1.26
8:03PM
1.08
8:44AM
1.17
9:01PM
1.00
9:40AM
1.02
9:49PM
0.86
10:25AM
0.85
10:29PM
0.70
11:04AM
0.69
11:05PM
0.55
11:40AM
0.55
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sun
18
Sunrise-8:52--8:51--8:49--8:49--8:48--8:47--8:45-
Sunset--4:38--4:39--4:42--4:44--4:45--4:46--4:49
rain showers
light rain
light rain
mod rain
part cloud
part cloud
part cloud
light rain
rain showers
rain showers
rain showers
part cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
light rain
rain showers
cloud
Rain (mm)
21210---5211-------52-
Temp. °C999777568667445545455
Feels °C (?)0464-1-10-142230-122-1-1-22-1
  • 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

submit an eyeball surf report

Quick surf report for Bunatrahir Bay:

join our community of surf reporters

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.


false

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.

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest