Kilcummin Harbour Surf Break

Lat Long: 54.28° N 9.22° W

Kilcummin Harbour Surf Forecast and Surf Report

Issued: 12 pm 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Kilcummin Harbour sea temperature is
15.8°C
1.5° 

Kilcummin Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Kilcummin Harbour surf forecast from 11 Sep 2026:

  • Best quality surf: Friday 11 Sep, 7PM (local time) - 7ft (2.2m), 11s period, WNW swell with offshore winds.
  • Most powerful swell: Thursday 17 Sep, 4PM (local time) - 13ft (4.0m), 12s period, WNW swell with 4,080 kJ wave energy.
  • Next surfable swell (1★+): Friday 11 Sep, 7PM (local time) - 7ft (2.2m), 11s period with WNW swell.

Best Forecast Surf Conditions for Kilcummin Harbour this week:

The surf forecast for Kilcummin Harbour over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 7PM. The primary swell is predicted to be 2.2m and 11s period with a secondary swell of 0.2m and 16s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Kilcummin Harbour in the next 16 days are 4.0m 12s and forecast to arrive on Thursday (Sep 17) at 4PM. 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 Saturday (Sep 12) at 1AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Fri 11th Sep)7ft (2.2m) 11s
Best Surf 7PM (Fri 11th Sep)7ft (2.2m) 11s
Most Powerful 4PM (Thu 17th Sep)13ft (4.0m) 12s

Table - best surf conditions forecast for Kilcummin Harbour over the next 16 days.


Short Range Forecast

Moderate rain (total 11mm), heaviest on Fri night. Very mild (max 18°C on Sun afternoon, min 12°C on Sat night). Winds decreasing (strong winds from the SW on Fri night, calm by Sat night).

Days 4-6 Weather Summary

Light rain (total 7mm), mostly falling on Mon afternoon. Very mild (max 18°C on Mon morning, min 12°C on Tue night). Winds increasing (light winds from the W on Tue night, fresh winds from the WSW by Wed afternoon).

Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
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
2
3
3
3
3
3
2
2
1
1
1
0
0
1
3
1
1
2
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
WNW
9
1.9
WNW
9
3
W
13
3
W
12
3
WNW
12
2
WNW
12
1.6
NW
11
1.3
WNW
10
0.9
WNW
9
1.1
WSW
8
1.7
W
10
1.8
W
10
1.8
W
10
2.4
WNW
10
3
WNW
11
2.4
WNW
10
2.3
W
10
3.5
WNW
10
3.5
WNW
11
4
WNW
12
3.5
WNW
12
Wave Graph
Metric surfscale
Energy kJ
547
599
2651
2470
2341
1100
561
320
141
161
596
650
612
1088
2147
1153
1004
1939
3552
4080
3301
Wind (km/h)
15
WSW
20
SW
35
S
25
WSW
15
WNW
10
NW
10
SSE
15
S
20
S
20
SSW
30
SW
25
WSW
30
W
30
NW
20
WNW
20
SW
35
SW
30
W
30
W
35
W
25
W
Wind State
cross-off
cross-off
off
cross-off
cross
cross-on
off
off
off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-off
cross-off
cross
cross
cross
cross
High Tide
6:44PM3.86m
7:09AM3.38m
7:21PM3.82m
7:43AM3.38m
7:56PM3.66m
8:16AM3.32m
8:31PM3.42m
8:49AM3.19m
9:05PM3.12m
9:23AM3.01m
9:40PM2.80m
9:59AM2.79m
10:20PM2.49m
Low Tide
12:23PM0.09m
00:58AM-0.11m
1:00PM0.04m
1:31AM-0.07m
1:36PM0.07m
2:03AM0.06m
2:11PM0.19m
2:33AM0.27m
2:47PM0.39m
3:04AM0.51m
3:24PM0.63m
3:36AM0.78m
4:04PM0.91m
part cloud
part cloud
heavy rain
cloud
cloud
clear
cloud
cloud
cloud
cloud
rain showers
clear
part cloud
clear
part cloud
cloud
rain showers
rain showers
part cloud
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:03
7:05
7:05
7:07
7:09
7:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:04
8:01
7:59
7:57
7:53
7:52
7:49
 mm
11
4
1
2
Temp °C
16
17
17
17
16
14
16
18
17
18
17
15
15
14
13
14
15
15
14
14
13
Feels °C
12
13
11
14
14
13
14
15
14
16
13
11
10
8
8
10
9
10
7
7
7
  • 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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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 16 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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