Kilcummin Harbour Surf Break

Lat Long: 54.28° N 9.22° W

Kilcummin Harbour Surf Forecast and Surf Report

Issued: 12 pm 08 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kilcummin Harbour sea temperature is
15.0° C
0.8° 

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 8 Jul 2026:

  • Best quality surf: Wednesday 8 Jul, 7PM (local time) - 4.5ft (1.3m), 10s period, W swell with cross-offshore winds.
  • Most powerful swell: Friday 10 Jul, 7AM (local time) - 4.5ft (1.4m), 11s period, W swell with 466 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 8 Jul, 7PM (local time) - 4.5ft (1.3m), 10s period with W 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 Wednesday (Jul 08) at 7PM. The primary swell is predicted to be 1.3m and 10s period with a secondary swell of 0.2m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Kilcummin Harbour in the next 16 days are 1.4m 11s and forecast to arrive on Friday (Jul 10) at 7AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Monday (Jul 13) at 1AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Wed 8th Jul)4.5ft (1.3m) 10s
Best Surf 7PM (Wed 8th Jul)4.5ft (1.3m) 10s
Most Powerful 7AM (Fri 10th Jul)4.5ft (1.4m) 11s

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


Right then, let’s have a look at what we’ve got for the next couple of weeks.

Well, I gotta be straight with you – this forecast is a tough one to write. For a break called Kilcummin Harbour (a reef set-up), we’ve got a little window of clean, rideable surf right at the start, but then it goes pretty quiet for a long stretch.

The water temp is sitting at 59°, which is about normal for this time of year, so no major surprises there.

Wednesday morning, the 8th of July, is your best bet. It’s looking clear and glassy with a light SSE breeze at 3 mph. We’ve got a 5ft swell rolling in from the W with a 9-second period. The combined energy reading is 353 – solid moderate energy – and the waves should be clean and lined up. That afternoon stays glassy too, with a 4ft W swell and a slightly longer 10-second period. For a reef break, that’s a nice combo. It’s the standout of the whole outlook.

Thursday the 9th still has some shape in the morning. The swell holds at 5ft from the W, but a SW wind at 9 mph is blowing cross-offshore, so it’ll be clean but a bit bumpy on the face. The energy is still there at 312. By the afternoon, it gets a bit messy as the wind swings cross-shore.

Now here’s the bad news. From Friday the 10th right through until the 21st of July, it’s pretty much all poor. There are days of strong onshore winds – Friday and Saturday see a NNE wind hitting 15-19 mph, which will just flatten and chop everything up. By Sunday the 12th, the swell drops below 2ft and the energy readings fall into the low double-digits. That’s a real dry spell.

There is a bit of a pulse that shows up around the 20th and 21st of July – Monday the 20th has a 5ft WNW swell in the afternoon, with a 10-second period and a combined energy of 473 (strong), but the wind is onshore at 9-12 mph from the NNW, so unfortunately it’s going to be messy. Not one for the paddle surfer, that setup looks more interesting for a kite session if you’re into that.

The final few days of the outlook, the 22nd and 23rd of July, see the winds go cross-offshore from the SSW and WSW, so conditions clean up, but the swell is small – mostly 2ft to 3ft – and the energy is weak to moderate. There’s a long period 11-second swell on the 23rd afternoon, but only 2ft, so it’s a bit of a tease.

So to sum it up: get out there Wednesday morning and maybe Thursday morning, because after that, we’re looking at a long gap of over a week with nothing worth paddling for. For this area, a blank run like this is pretty normal when the wind locks in from the north.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 20°C on Thu afternoon, min 12°C on Fri afternoon). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Sun afternoon, min 12°C on Sat morning). Mainly fresh winds.

Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
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
2
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
W
9
1.3
W
10
1.3
W
9
1.4
W
9
1.3
W
9
1.1
W
9
1.4
W
10
1.3
W
10
1.1
W
9
1.1
WNW
9
1
WNW
9
0.9
WNW
8
0.6
WNW
8
0.5
WNW
7
0.5
W
7
0.4
WNW
7
0.4
WNW
7
0.6
WNW
10
0.8
W
11
0.7
W
10
0.6
W
9
Wave Graph
Metric surfscale
Energy kJ
347
307
287
311
262
185
432
326
217
211
166
94
44
31
25
16
16
72
146
94
62
Wind (km/h)
5
SSE
5
WNW
10
S
15
SW
10
W
5
E
10
N
25
N
25
NNE
30
NNE
30
NNE
15
NNE
15
NE
15
NE
10
E
15
ESE
15
ENE
10
ENE
20
ESE
20
ESE
10
E
Wind State
glassy
glassy
off
cross-off
cross
cross
on
on
on
on
on
cross-on
cross-on
cross-on
cross
cross-off
cross-on
cross-on
cross-off
cross-off
cross
High Tide
12:24PM2.53m
00:37AM2.85m
1:31PM2.57m
1:48AM2.81m
2:42PM2.70m
3:03AM2.84m
3:49PM2.90m
4:14AM2.94m
4:50PM3.16m
5:16AM3.07m
5:44PM3.43m
6:12AM3.18m
6:35PM3.67m
Low Tide
6:10PM1.01m
7:07AM0.76m
7:26PM1.03m
8:16AM0.73m
8:46PM0.92m
9:24AM0.64m
9:59PM0.71m
10:25AM0.50m
11:02PM0.46m
11:20AM0.35m
11:58PM0.23m
12:09PM0.21m
00:50AM0.06m
clear
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
5:13
5:15
5:16
5:16
5:18
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:08
10:08
10:07
10:07
10:06
10:05
10:04
 mm
Temp °C
18
19
18
18
20
17
16
13
12
12
13
13
18
21
20
18
21
18
20
22
19
Feels °C
18
18
18
17
20
18
16
9
8
6
8
9
16
21
19
15
17
15
17
19
18
  • Map Icons:
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  • 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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