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Surf Forecasts:

Bunatrahir Bay surfForecast / Mayo and Achill Island / Ireland

information circle16 Day Weather and Surf, issued 5 pm Saturday 14 Mar 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
9.0° 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 15) at 12AM. The primary swell is predicted to be 3.0m and 13s period with a secondary swell of 1.0m and 10s. 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 10.0m 19s and forecast to arrive on Sunday (Mar 15) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Sunday (Mar 15) at 12AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sun 15th Mar)10ft (3.0m) 13s
Best Surf 6AM (Sun 15th Mar)11ft (3.5m) 11s
Most Powerful 9PM (Sun 15th Mar)33ft (10.0m) 19s

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

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

Short Range Forecast Moderate rain (total 16mm), heaviest on Mon morning. Very mild (max 12°C on Mon afternoon, min 5°C on Sun afternoon). Winds increasing (light winds from the WSW on Sat afternoon, strong winds from the W by Sun morning).

Days 3-6 Weather Summary Some drizzle, heaviest during Tue afternoon. Mild temperatures (max 9°C on Tue afternoon, min 4°C on Fri morning). Wind will be generally light.

Sat
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
2
4
0
0
!
!
!
!
!
!
!
!
!
2
1
2
3
3
2
3
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3
WNW
3
WNW
4.5
WNW
6.5
WNW
10
WNW
8
WNW
6.5
WNW
5.5
W
4.5
W
4
W
3.5
W
3.5
W
3.5
WNW
3
WNW
2.3
WNW
2
WNW
1.7
WNW
1.3
N
1.1
N
1.9
WNW
2
WNW
Period(s) (?)121310131918161413131214131312121111101313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)30412773422714256693963814922091109447229469033445416424327241556108470540126211881261
Wind
(km/h)
20
W
25
SSW
40
W
40
W
40
W
35
SSW
45
SW
35
SSW
30
SW
20
SW
10
S
5
ENE
10
N
10
NNE
20
NE
15
ENE
10
SE
15
SE
20
SE
15
SE
20
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossoffcrosscrosscross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		offglassononcross-
on		cross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
3:02PM
2.25
3:22AM
2.70
3:47PM
2.50
4:00AM
2.99
4:24PM
2.75
4:34AM
3.28
4:58PM
2.99
5:07AM
3.51
5:31PM
3.19
5:40AM
3.68
6:05PM
3.34
6:15AM
3.75
6:39PM
3.42
6:51AM
3.71
Low Tide
/ height (m)
8:59PM
1.09
9:46AM
0.89
9:41PM
0.84
10:19AM
0.60
10:16PM
0.60
10:51AM
0.32
10:49PM
0.38
11:22AM
0.08
11:23PM
0.20
11:53AM
-0.08
11:57PM
0.08
12:26PM
-0.15
12:34AM
0.03
Sat
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise--6:52--6:50--6:48--6:46--6:43--6:41--6:37
Sunset6:37--6:39--6:42--6:44--6:45--6:47--6:50--
part cloud
rain showers
rain showers
light rain
light rain
mod rain
part cloud
cloud
light rain
light rain
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
Rain (mm)
-11316--41-----------
Temp. °C810658101212109899978881067
Feels °C (?)24-3-511344457663453510
  • 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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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:
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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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