Kilcummin Harbour Surf Break

Lat Long: 54.28° N 9.22° W

Issued: 6 am 03 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kilcummin Harbour sea temperature is
15.3° C

1.3°C warmer than normal for this time of year

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 3 Jul 2026:

  • Best quality surf: Sunday 5 Jul, 4AM (local time) - 6ft (1.8m), 9s period, W swell with cross-offshore winds.
  • Most powerful swell: Saturday 4 Jul, 1PM (local time) - 8ft (2.4m), 9s period, W swell with 961 kJ wave energy.
  • Next surfable swell (1★+): Sunday 5 Jul, 4AM (local time) - 6ft (1.8m), 9s 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 Sunday (Jul 05) at 4AM. The primary swell is predicted to be 1.8m and 9s period. 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 2.4m 9s and forecast to arrive on Saturday (Jul 04) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Sun 5th Jul)6ft (1.8m) 9s
Best Surf 4AM (Sun 5th Jul)6ft (1.8m) 9s
Most Powerful 1PM (Sat 4th Jul)8ft (2.4m) 9s

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


Updates in  hr  min  s Forecast update imminent

Alright, this is Rusty, and I’m staring down the next couple of weeks here for Kilcummin Harbour.

First off, this is a reef break that can be a little hit or miss, but when it gets good, it gets real good. Water temp is sitting at 60°, which is a hair warmer than usual for the season – nothing huge, but a nice little touch. The overall pattern is a bit of a tease: some clean swell to start, a long dead spell, and then a promising window in the second week.

Friday July 3rd is a decent kickoff. The morning session is your best call with a 4ft WSW swell and a 10-second interval. The combined energy is moderate (492), and you’ve got a gentle offshore wind out of the south – that’s the right direction for this spot, keeping things clean and rideable. The afternoon turns a bit ragged, so hit the dawn patrol.

Through Saturday and Sunday (July 4th & 5th), the swell actually jumps up to 8ft on Saturday. That’s getting into proper size territory, not for beginners. The wind is cross-off, so it’s not a total loss, but the wave energy is high (into the 900s). It’s powerful, but conditions are just a bit too messy to call it a standout. Sunday backs off a bit, but the wind issues stick around.

Then the ocean goes to sleep. From Monday July 6th all the way through to Saturday July 12th, there’s just nothing worth paddling out for. Wave heights drop, periods get short, and the wind is consistently wrong. Energy readings fall into the double digits most days. It’s one of those long gaps where you just have to wait.

Now, here’s the payoff. Monday July 13th is the real standout of the forecast. Kilcummin Harbour wakes up with a 4ft swell from the west, but the magic is in that 12-second interval – proper groundswell. Wave energy pushes into 536 in the morning and climbs to 662 by the afternoon. The wind is a light cross-off from the SSE, meaning clean, lined-up waves. That direction is a good match for the break’s exposure. This is the day.

Tuesday July 14th is almost as good. We’ve got 5ft from the west, 10-second period, with a gentle offshore SSE breeze. Energy is still up in the 500s. Another solid day, just a tad less power than Monday. Morning again is the pick.

After that, the plug gets pulled. From Wednesday July 15th, the swell tapers fast. Heights fall under 3ft, energy drops below 100, and by the end we’re looking at tiny 1ft waves. The wind tries to stay offshore, but there’s simply no push left.

Bottom line: don’t waste your time on the first week unless you’re after a flat-water paddle. The real deal is Monday 13th and Tuesday 14th of July. That’s your window for clean, powered-up surf. Get in there.

- Rusty

Short Range Forecast

Some drizzle, heaviest during Fri morning. Very mild (max 18°C on Sun morning, min 13°C on Fri morning). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 20°C on Wed morning, min 15°C on Mon night). Winds decreasing (fresh winds from the WSW on Mon morning, calm by Wed night).

Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
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
1
2
1
1
2
1
0
1
1
0
0
0
0
2
2
0
2
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)
1.2
WSW
10
1.6
WSW
10
1.6
WSW
10
2.4
W
9
2.4
W
9
1.9
W
9
1.6
W
8
1.7
W
8
1.8
W
8
1.9
W
8
1.8
W
8
1.7
W
8
1.5
W
8
1.4
W
8
1.2
W
8
1.1
W
9
1.1
W
9
1.1
W
10
1.1
W
10
1
W
10
1.1
W
9
Wave Graph
Metric surfscale
Energy kJ
312
566
482
909
950
567
364
392
396
501
439
373
287
257
205
190
203
220
225
186
189
Wind (km/h)
15
S
30
WSW
20
SW
30
WSW
30
WSW
15
WSW
20
SW
30
WSW
25
WSW
30
WSW
25
WSW
25
WSW
25
W
25
WNW
10
WSW
5
SW
10
N
5
SSE
10
S
10
N
0
S
Wind State
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
glassy
on
off
off
on
glassy
High Tide
8:56PM3.28m
9:11AM2.71m
9:31PM3.23m
9:50AM2.65m
10:08PM3.15m
10:34AM2.59m
10:49PM3.06m
11:25AM2.55m
11:38PM2.95m
12:24PM2.53m
00:37AM2.85m
1:31PM2.57m
1:48AM2.81m
Low Tide
2:24PM0.50m
3:08AM0.61m
2:58PM0.57m
3:45AM0.64m
3:35PM0.67m
4:25AM0.67m
4:17PM0.79m
5:10AM0.71m
5:07PM0.92m
6:03AM0.74m
6:10PM1.01m
7:07AM0.76m
7:26PM1.03m
light rain
part cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:09
5:09
5:11
5:11
5:13
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:13
10:12
10:10
10:10
10:09
10:08
10:08
 mm
1
Temp °C
15
16
16
16
16
15
18
17
15
18
18
16
19
19
17
20
19
17
22
21
18
Feels °C
12
11
12
12
12
13
14
13
11
13
14
12
15
15
16
21
18
17
21
20
18
Swell 1
Height (m)
Direction
Period (s)
1.2
WSW
10
1.1
NW
11
1.4
NW
10
1.9
W
9
1.6
W
8
0.1
N
10
1.5
W
8
0.2
N
8
1.2
W
8
1.1
W
9
1.1
W
9
1.1
W
10
1.1
W
10
1
W
10
1.1
W
9
Energy kJ
312
297
384
567
364
2
287
6
205
190
203
220
225
186
189
Swell 2
Height (m)
Direction
Period (s)
1.1
NW
8
0.6
W
10
0.2
N
9
0.3
N
8
0.3
N
8
0.3
N
9
0.4
N
8
0.3
N
7
0.3
N
8
0.4
WNW
12
Energy kJ
153
77
6
12
10
14
21
10
11
50
Swell 3
Height (m)
Direction
Period (s)
0.3
NW
13
0.2
N
9
0.3
N
7
0.2
N
9
0.2
N
7
Energy kJ
27
7
9
6
4
Wind waves
Height (m)
Direction
Period (s)
0.4
SSW
3
1.6
WSW
10
1.6
WSW
10
2.4
W
9
2.4
W
9
1.7
W
8
1.8
W
8
1.9
W
8
1.8
W
8
1.7
W
8
1.4
W
8
Energy kJ
3
566
482
909
950
392
396
501
439
373
257
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
1
2
2
2
1
2
1
1
1
1
1
2
2
1
2
2
1
2
Distance (km)
0
117
2
448
1025
2
2
247
2
194
235
233
247
304
0
0
117
0
0
11
0
Best forecast wave conditions in Mayo and Achill Island
Rating
(10 max)
2
3
2
2
2
2
2
2
2
1
2
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
3
2
2
1
2
1
1
1
1
2
2
2
2
2
1
2
Header Global
Rating
(10 max)
5
8
5
4
5
5
9
6
7
6
9
7
5
6
9
9
9
6
5
6
6
  • 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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