Kilcummin Harbour Surf Break

Lat Long: 54.28° N 9.22° W

Issued: 12 am 05 Jul 2026 (local time)

Forecast update in  hr  min

Today's Kilcummin Harbour sea temperature is
15.0° C

Slightly warmer than usual

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 5 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: Sunday 5 Jul, 7AM (local time) - 6ft (1.8m), 9s period, W swell with 498 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 1.8m 9s and forecast to arrive on Sunday (Jul 05) at 7AM. 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 7AM (Sun 5th Jul)6ft (1.8m) 9s

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


Updates in  hr  min  s Forecast update imminent

Alright, Rusty here. Let's have a look at what's on offer for Kilcummin Harbour over the next couple of weeks.

Honestly, it's a pretty quiet spell ahead. There are a few windows where you might get a wave, but nothing that'll have you rushing to grab your board. The first week or so is looking very marginal, with the best of the surf not arriving until the weekend of the 18th and 19th of July.

The standout window looks to be Wednesday the 8th of July. The swell drops a touch from the weekend, settling around 4ft from the west, with a solid period of 9 seconds. That's a nice, clean groundswell. The wind is the real winner here – glassy or light offshore from the south, making for some clean, lined-up waves at this reef break. The combined energy is moderate, sitting around 247 to 293, so there's enough push for a fun session. It's an intermediate spot, and it can get crowded, so get in early. The water temp is about average for the time of year, nothing unusual there.

There's another little pulse on the weekend of the 18th of July, but it's a bit of a mixed bag. The morning of Saturday the 18th has some potential with 5ft west-northwest swell and an 11-second period, pushing the combined energy up to a strong 534. That's a solid groundswell, and the winds are cross-offshore, meaning clean faces. However, the period is long, so expect longer lulls between sets, and it might be a bit much for beginners. The afternoon looks lumpy and poor. The following Sunday morning also has some size but the wind is messy.

The real message here is patience. From now until that Wednesday the 8th, you're looking at small swell, strong cross-offshore winds, and marginal conditions. The weekend of the 11th and 12th is pretty poor with onshore winds. If you're itching for a paddle, Wednesday and Thursday mornings of the 8th and 9th are your best bet for clean if not overly powerful surf. The bigger swell around the 18th is promising but it's a long way off, so forecasts could change. Keep your eye on it.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 21°C on Tue afternoon, min 13°C on Mon night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Wed morning, min 13°C on Fri afternoon). Wind will be generally light.

Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
1
1
1
1
1
1
2
2
2
2
2
1
1
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)
1.6
W
9
1.7
W
9
1.7
W
8
1.7
W
8
1.6
W
8
1.5
W
8
1.5
W
8
1.6
W
9
1.5
W
9
1.3
W
9
1.2
W
9
1.2
W
9
1.3
W
9
1.3
W
9
1.1
W
9
0.9
W
8
1.3
WNW
10
1.3
WNW
10
1.1
WNW
9
1.1
WNW
9
1.1
WNW
8
Wave Graph
Metric surfscale
Energy kJ
386
421
372
382
347
305
313
395
356
281
235
224
262
258
177
111
335
322
211
202
180
Wind (km/h)
20
SW
30
WSW
20
SW
15
WSW
20
WSW
15
SW
20
WSW
20
W
10
SW
10
S
5
SW
10
SSW
10
SSW
5
WNW
5
NW
15
NNW
15
NNW
15
N
20
NNE
25
N
15
NNE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
glassy
off
off
cross
glassy
cross-on
on
on
on
on
cross-on
High Tide
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
2:42PM2.70m
3:03AM2.84m
3:49PM2.90m
Low Tide
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
8:16AM0.73m
8:46PM0.92m
9:24AM0.64m
9:59PM0.71m
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:11
5:11
5:13
5:13
5:15
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:10
10:10
10:09
10:08
10:08
10:07
10:07
 mm
Temp °C
16
17
15
18
18
15
20
21
18
21
21
18
21
21
16
14
14
13
13
14
14
Feels °C
13
13
12
16
15
13
17
19
18
20
21
18
20
21
17
13
12
10
9
9
10
Swell 1
Height (m)
Direction
Period (s)
1.6
W
9
0.1
N
9
1.5
W
8
1.5
W
8
0.1
N
9
1.5
W
9
1.3
W
9
1.2
W
9
1.2
W
9
1.3
W
9
1.3
W
9
1.1
W
9
0.9
W
8
1.3
WNW
10
1.3
WNW
10
1.1
WNW
9
1.1
WNW
9
1.1
WNW
8
Energy kJ
386
2
305
313
2
356
281
235
224
262
258
177
111
335
322
211
202
180
Swell 2
Height (m)
Direction
Period (s)
0.2
N
9
0.2
N
8
0.1
N
7
0.2
N
9
0.3
N
8
0.3
N
8
0.2
N
8
0.2
N
7
0.1
N
7
0.1
N
6
0.4
WNW
11
0.1
N
9
0.1
N
8
0.1
N
8
0.1
N
8
Energy kJ
6
5
1
6
12
12
4
4
1
1
40
2
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
N
11
0.1
N
10
Energy kJ
2
2
Wind waves
Height (m)
Direction
Period (s)
1.7
W
9
1.7
W
8
1.7
W
8
1.6
W
8
1.6
W
9
0.6
N
4
0.4
NNE
3
0.6
NNE
4
0.6
NNE
4
Energy kJ
421
372
382
347
395
10
5
11
13
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
1
2
2
1
2
2
2
2
2
1
1
1
1
2
1
2
1
Distance (km)
2
233
2
15
194
2
2
245
0
0
0
0
0
2
0
151
244
151
55
451
39
Best forecast wave conditions in Mayo and Achill Island
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
1
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
2
2
1
2
2
1
2
2
2
2
2
2
2
1
1
2
1
1
Header Global
Rating
(10 max)
9
7
5
6
8
7
5
5
9
8
9
9
5
5
5
5
8
7
6
8
9
  • 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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