Kilcummin Harbour surfForecast / Mayo and Achill Island / Ireland

information circle48hr Weather and Surf, issued 6 pm Tuesday 12 May 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
11.9° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Kilcummin Harbour today?

The current surf forecast for Kilcummin Harbour at 11PM is: 4.5m 10s primary swell from a West-northwest direction and 0.3m 9s secondary swell from a North direction, 0.1m 18s secondary swell from a West direction (forecast issued at 06:00pm May 12). The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (12 May)--
Afternoon (12 May)10ft (3.0m)9s
Evening (12 May)13ft (4.0m)10s

Table - waves today at Kilcummin Harbour. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 11mm), heaviest on Tue night. Very mild (max 11°C on Tue afternoon, min 8°C on Tue night). Winds decreasing (strong winds from the NW on Tue night, light winds from the NNW by Fri morning).

Tue
12
Wednesday
13
Thursday
14
Fri
15
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
3
WNW
10
3.5
WNW
10
4.5
WNW
10
5
NW
11
5.5
NW
12
5.5
NW
12
5.5
NW
12
5
NW
12
4.5
NW
12
4.5
NW
11
4
NW
11
4
NW
10
3.5
NW
10
3.5
NW
10
3
NNW
10
3
NNW
9
2.1
N
9
2
N
9
1.9
N
8
2.3
NNW
8
1.8
N
8
1.5
N
8
1.2
WNW
8
1.2
WNW
8
Wave Graph
Metric surfscale
Energy kJ
1780
2469
3549
5827
8158
9610
8796
6803
5672
4805
3935
3130
2598
2053
1625
1338
686
607
466
669
377
249
183
156
Wind (km/h)
35
WNW
40
W
45
WNW
45
WNW
45
NW
45
NW
45
NW
45
NW
45
NNW
40
NNW
40
NNW
40
NNW
35
NNW
30
NNW
30
NW
30
NNW
35
N
35
N
30
N
30
N
25
N
20
NNW
20
NNW
20
NNW
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
High Tide
3:14PM2.53m
3:17AM3.00m
4:03PM2.80m
4:06AM3.20m
4:47PM3.07m
4:54AM3.38m
Low Tide
9:03PM1.00m
9:48AM0.50m
9:55PM0.77m
10:30AM0.26m
10:42PM0.52m
11:11AM0.08m
clear
clear
clear
rain showers
light rain
part cloud
rain showers
rain showers
rain showers
rain showers
cloud
light rain
cloud
light rain
light rain
light rain
rain showers
clear
clear
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:35
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:28
9:30
9:31
9:32
1
1
1
1
1
1
1
1
1
1
1
Temp °C
11
10
9
9
8
9
9
10
10
9
9
9
9
8
8
9
10
10
9
9
9
9
9
10
3
1
0
-1
-3
-1
-1
0
0
-1
0
0
1
1
1
1
1
2
1
2
3
3
3
5
Swell 1
Height (m)
Direction
Period (s)
0.3
N
9
0.3
N
9
0.3
N
9
0.1
W
18
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
1.7
WNW
9
1.7
WNW
9
1.5
WNW
9
0.3
W
9
1.2
WNW
8
1.3
WNW
8
1.2
WNW
8
1.2
N
7
Energy kJ
15
15
14
6
5
5
5
5
5
5
486
421
354
15
197
202
183
156
Swell 2
Height (m)
Direction
Period (s)
0.1
W
18
0.1
W
18
0.1
W
18
0.1
W
15
0.2
W
10
0.1
W
15
0.1
W
15
0.1
W
15
0.1
W
15
0.1
W
14
1.2
WNW
8
Energy kJ
6
6
6
4
8
4
4
4
4
4
154
Swell 3
Height (m)
Direction
Period (s)
0.1
W
15
0.2
W
9
Energy kJ
4
6
Wind waves
Height (m)
Direction
Period (s)
3
WNW
10
3.5
WNW
10
4.5
WNW
10
5
NW
11
5.5
NW
12
5.5
NW
12
5.5
NW
12
5
NW
12
4.5
NW
12
4.5
NW
11
4
NW
11
4
NW
10
3.5
NW
10
3.5
NW
10
3
NNW
10
3
NNW
9
2.1
N
9
2
N
9
1.9
N
8
2.3
NNW
8
1.8
N
8
1.5
N
8
1.3
N
7
Energy kJ
1780
2469
3549
5827
8158
9610
8796
6803
5672
4805
3935
3130
2598
2053
1625
1338
686
607
466
669
377
249
183
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
4
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
735
506
508
508
553
531
600
1146
1266
610
610
837
585
585
659
660
680
681
385
444
297
297
297
297
Best forecast wave conditions in Mayo and Achill Island
Rating
(10 max)
Best forecast wave conditions in Ireland
Rating
(10 max)
1
1
1
1
Header Global
Rating
(10 max)
8
9
9
9
9
9
9
8
7
9
9
9
9
8
5
5
5
5
5
5
5
5
5
5
  • 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

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