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Surf Forecasts:

Kilcummin Harbour surfForecast / Mayo and Achill Island / Ireland

information circle12 Day Weather and Surf, issued 11 am Saturday 17 Jan 2026 IST
Forecast update in hr  min  s Forecast update imminent
Kilcummin Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kilcummin Harbour sea temperature is
9.2° C
 (Which is slightly cooler than normal)

Best Forecast Surf Conditions for Kilcummin Harbour this week:

The surf forecast for Kilcummin Harbour over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jan 17) at 9PM. The primary swell is predicted to be 1.7m and 11s period with a secondary swell of 0.2m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Kilcummin Harbour in the next 12 days are 5.5m 17s and forecast to arrive on Thursday (Jan 22) 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 1.6m 5s period and expected on Wednesday (Jan 21) at 12AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sat 17th Jan)5.5ft (1.7m) 11s
Best Surf12PM (Mon 19th Jan)15ft (4.5m) 16s
Most Powerful 9AM (Thu 22nd Jan)18ft (5.5m) 17s

Table - best surf conditions forecast for Kilcummin Harbour over the next 12 days.

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

Short Range Forecast Light rain (total 3mm), mostly falling on Mon morning. Mild temperatures (max 6°C on Sat morning, min 2°C on Sun morning). Winds increasing (calm on Sat afternoon, fresh winds from the SE by Mon night).

Days 3-6 Weather Summary Heavy rain (total 38mm), heaviest during Thu night. Mild temperatures (max 9°C on Tue morning, min 3°C on Thu night). Mainly near gales.

Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
4
4
3
1
2
2
8
0
8
3
2
0
3
2
3
!
0
!
!
!
!
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.3
W
2
W
1.6
W
1.3
W
1.1
W
0.9
W
3.5
WNW
4.5
WNW
4
WNW
3.5
WNW
3
WNW
2.5
WNW
2
W
1.8
W
1.8
W
5.5
W
5
W
4.5
W
4.5
W
5
W
5.5
W
Period(s) (?)131211101012171616151414131211171614151716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1712112259533923021479889458875457093566218713369568361899712795766499041453315257
Wind
(km/h)
5
E
0
ENE
10
SSE
20
SSE
25
SSE
15
SSE
15
SSE
25
WNW
20
SE
40
SE
45
SE
45
SE
35
SSE
30
S
20
S
30
SSE
50
SSE
30
WNW
20
WSW
15
SSW
30
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassoffcross-
off		offoffoffcross-
on		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffcross-
off		cross-
off		crosscross-
off		offcross-
off
High Tide
/ height (m)
5:10PM
2.79
5:31AM
3.21
5:45PM
2.89
6:06AM
3.37
6:19PM
2.96
6:39AM
3.49
6:53PM
2.99
7:12AM
3.55
7:27PM
2.99
7:45AM
3.55
8:04PM
2.95
8:19AM
3.49
8:43PM
2.88
Low Tide
/ height (m)
11:05AM
0.69
11:07PM
0.54
11:41AM
0.55
11:40PM
0.41
12:16PM
0.44
12:12AM
0.32
12:49PM
0.36
12:44AM
0.27
1:23PM
0.31
1:17AM
0.29
1:57PM
0.31
1:51AM
0.36
2:33PM
0.35
2:29AM
0.48
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise8:47--8:45--8:44--8:42--8:41--8:41--8:38--
Sunset-4:45--4:47--4:50--4:52--4:53--4:55--4:57-
clear
clear
clear
part cloud
cloud
cloud
light rain
cloud
part cloud
cloud
part cloud
rain showers
cloud
rain showers
part cloud
cloud
light rain
heavy rain
light rain
part cloud
part cloud
Rain (mm)
------3----3-2--4291--
Temp. °C665466664999876684554
Feels °C (?)442-2012-10-1-101-11-4-3-400-4
  • 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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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 Kilcummin Harbour 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 Kilcummin Harbour at:
surf-forecast.com

Information about the Kilcummin Harbour Surf forecast

The above surf forecast table for Kilcummin Harbour provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Kilcummin Harbour can be found by selecting the local surf guide option on the grey menu. Our Kilcummin Harbour 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 (Kilcummin Harbour) 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 Kilcummin Harbour 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.

Kilcummin Harbour is 19 km (12 miles) from Ballina. If you plan a holiday in Mayo and Achill Island, look for hotels and other accommodation in Ballina. Ballina has rooms for a wide range of budgets as well as car hire and transport links.

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