Lackan Bay surfForecast / Mayo and Achill Island / Ireland

information circle48hr Weather and Surf, issued 12 pm Tuesday 19 May 2026 IST
Forecast update in hr  min  s Forecast update imminent
Lackan Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Lackan Bay sea temperature is
11.7° C
(Which is normal for this time of year)

How big are the waves at Lackan Bay today?

The current surf forecast for Lackan Bay at 8PM is: 1.0m 16s primary swell from a West direction and 1.1m 10s secondary swell from a West direction (forecast issued at 12:00pm May 19). The wind direction is predicted to be offshore and the swell rating is 3.

Time (IST) & DateWave HeightWave Period
Morning (19 May)2.5ft (0.7m)9s
Afternoon (19 May)3.5ft (1.1m)9s
Evening (19 May)5ft (1.5m)16s

Table - waves today at Lackan Bay. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 13mm), heaviest on Tue morning. Very mild (max 15°C on Wed afternoon, min 11°C on Tue night). Mainly fresh winds.

Tue
19
Wednesday
20
Thursday
21
Fri
22
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
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
Rating
(10 max)
1
1
2
3
3
4
3
4
4
4
3
3
2
2
0
1
2
1
1
1
1
1
1
1
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)
0.8
WSW
9
1
WSW
9
1.1
W
9
1
W
16
1.5
W
16
2.3
W
15
2.3
W
14
3
W
14
2.5
W
13
2.3
W
13
2
W
12
1.9
W
12
1.7
W
12
1.6
W
12
1.3
W
11
1.4
WSW
11
1.7
WSW
10
1.5
WSW
10
1.2
WSW
10
1.1
WSW
10
1.1
WSW
10
1.2
WSW
10
1.3
WSW
11
1.3
WSW
10
Wave Graph
Metric surfscale
Energy kJ
103
169
203
496
1093
2309
2157
3074
2149
1766
1198
1013
786
674
410
452
619
441
300
250
255
312
353
339
Wind (km/h)
25
SSW
20
SSW
15
SSW
15
SW
15
SW
20
SW
30
WSW
25
WSW
20
WSW
15
SSW
25
SW
15
SSW
15
SSE
20
SSE
25
S
20
S
20
S
20
S
20
S
15
SSE
20
SSE
25
SSE
20
SSE
20
SSE
off
off
off
off
off
off
off
off
off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
8:08AM3.30m
8:30PM3.60m
9:01AM3.06m
9:23PM3.49m
9:58AM2.80m
10:21PM3.34m
Low Tide
2:03PM0.18m
2:43AM0.17m
2:50PM0.38m
3:42AM0.36m
3:42PM0.59m
4:48AM0.56m
light rain
light rain
light rain
rain showers
clear
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
light rain
light rain
light rain
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:24
5:24
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:39
9:42
9:43
9:45
3
1
1
1
1
1
1
3
1
Temp °C
13
13
13
12
11
11
11
11
12
12
15
14
13
13
14
14
14
14
14
14
13
13
12
11
9
8
9
10
8
7
5
6
8
9
10
11
10
9
10
11
11
11
11
12
9
9
8
7
Swell 1
Height (m)
Direction
Period (s)
0.8
WSW
9
1
WSW
9
1.1
W
9
1.1
W
10
1.5
W
16
2.3
W
15
2.3
W
14
0.2
N
8
2.5
W
13
2.3
W
13
2
W
12
1.9
W
12
1.7
W
12
1.6
W
12
1.3
W
11
1.4
WSW
11
1.7
WSW
10
1.5
WSW
10
1.2
WSW
10
1.1
WSW
10
1.1
WSW
10
1.2
WSW
10
1.3
WSW
11
1.3
WSW
10
Energy kJ
103
169
203
231
1093
2309
2157
5
2149
1766
1198
1013
786
674
410
452
619
441
300
250
255
312
353
339
Swell 2
Height (m)
Direction
Period (s)
0.4
WNW
9
0.4
W
13
0.4
W
16
1
W
16
1.1
W
10
0.2
N
8
0.2
N
8
0.2
N
8
0.1
N
8
0.1
N
8
0.1
NW
10
0.5
NW
10
0.6
NW
9
0.6
NW
8
0.6
NW
8
0.5
NW
8
0.5
NW
8
0.4
NW
7
0.4
NW
7
0.4
NW
7
0.2
NNW
7
Energy kJ
33
55
82
496
231
5
5
5
1
1
4
45
64
54
53
28
28
14
14
14
5
Swell 3
Height (m)
Direction
Period (s)
0.3
W
13
0.4
NW
9
0.4
W
13
0.2
N
8
0.2
N
8
0.1
N
8
0.1
N
8
0.1
N
9
Energy kJ
32
21
55
6
6
1
1
2
Wind waves
Height (m)
Direction
Period (s)
0.6
SSE
4
0.4
SSE
3
0.2
S
3
1.3
WSW
5
3
W
14
1.6
W
8
0.1
NE
8
0.5
SSE
3
0.6
S
4
0.5
S
4
0.3
S
3
0.3
S
2
0.4
SSE
3
0.7
SSE
4
0.7
SE
4
0.7
SE
4
0.6
SSE
4
Energy kJ
10
4
1
86
3074
313
2
6
9
6
2
1
3
11
15
15
8
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
3
3
4
4
4
4
4
3
3
3
2
2
3
3
2
2
2
2
1
2
1
Distance (km)
0
0
0
0
0
0
173
0
0
0
0
0
9
11
2
2
2
2
2
9
2
11
2
11
Best forecast wave conditions in Mayo and Achill Island
Rating
(10 max)
1
1
2
3
4
4
4
4
4
3
3
3
2
3
3
2
2
2
2
1
2
1
Best forecast wave conditions in Ireland
Rating
(10 max)
1
1
2
3
4
4
4
4
4
4
3
3
3
2
3
3
3
2
2
2
2
1
2
1
Header Global
Rating
(10 max)
4
4
4
4
5
5
5
5
4
4
4
5
5
4
4
5
5
4
4
5
4
5
5
6
  • 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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