Lighthouse surfForecast / Sligo / Ireland

information circle48hr Weather and Surf, issued 6 pm Monday 11 May 2026 IST
Forecast update in hr  min  s Forecast update imminent
Lighthouse surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Lighthouse sea temperature is
11.9° C
(Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Lighthouse today?

The current surf forecast for Lighthouse at 1AM is: 1.7m 9s primary swell from a West-northwest direction (forecast issued at 06:00pm May 11). The wind direction is predicted to be onshore.

Time (IST) & DateWave HeightWave Period
Morning (12 May)7ft (2.2m)8s
Afternoon (12 May)8ft (2.5m)9s
Evening (12 May)11ft (3.5m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 14mm), heaviest on Wed night. Very mild (max 11°C on Tue afternoon, min 8°C on Tue night). Winds increasing (light winds from the W on Mon night, strong winds from the NW by Tue night).

Mon
11
Tuesday
12
Wednesday
13
Thu
14
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
1
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)
1.6
NW
8
1.5
NW
9
1.5
NW
9
1.7
WNW
9
1.8
WNW
9
2.2
NW
7
2.2
WNW
8
2.5
WNW
9
2.5
WNW
10
3
WNW
10
3.5
WNW
10
4.5
WNW
10
5
WNW
11
5
NW
12
4.5
NW
12
4.5
NW
12
4
NW
12
4
NW
11
3.5
NW
11
3.5
NW
11
3
NW
10
3
NW
10
2.5
NW
10
2.3
NW
10
Wave Graph
Metric surfscale
Energy kJ
335
320
334
421
486
489
666
926
1310
1922
2585
4075
5694
7059
6070
5173
4705
3946
3097
2434
1924
1569
1224
929
Wind (km/h)
20
NNW
15
NW
15
W
20
W
30
WNW
30
NW
35
WNW
35
WNW
35
WNW
40
W
45
W
45
WNW
50
NW
45
NW
45
NW
50
NW
45
NNW
40
NNW
40
NNW
35
NNW
35
NNW
30
NNW
30
N
30
NNW
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
High Tide
2:16PM2.33m
2:27AM2.84m
3:16PM2.56m
3:20AM3.04m
4:05PM2.83m
4:09AM3.25m
Low Tide
8:04PM1.17m
9:06AM0.78m
9:06PM1.00m
9:51AM0.51m
9:58PM0.77m
10:33AM0.26m
clear
part cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
clear
rain showers
light rain
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
cloud
light rain
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:33
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:23
9:25
9:28
9:29
1
1
1
1
1
1
1
1
1
2
2
1
Temp °C
9
9
9
9
10
9
10
10
11
10
9
9
8
9
9
10
10
10
9
9
8
8
8
10
4
5
6
4
4
2
2
2
3
2
0
-1
-3
-1
-1
-1
0
1
0
1
0
1
1
3
Swell 1
Height (m)
Direction
Period (s)
1.6
NW
8
1.5
NW
9
1.5
NW
9
0.1
W
20
0.1
W
19
0.2
W
13
0.1
W
19
0.1
W
18
0.1
W
16
0.1
W
16
Energy kJ
335
320
334
7
7
14
7
7
5
5
Swell 2
Height (m)
Direction
Period (s)
0.2
WNW
14
0.2
W
14
0.1
W
19
Energy kJ
18
15
7
Swell 3
Height (m)
Direction
Period (s)
0.2
W
9
Energy kJ
6
Wind waves
Height (m)
Direction
Period (s)
1
NW
8
1.7
WNW
9
1.8
WNW
9
2.2
NW
7
2.2
WNW
8
2.5
WNW
9
2.5
WNW
10
3
WNW
10
3.5
WNW
10
4.5
WNW
10
5
WNW
11
5
NW
12
4.5
NW
12
4.5
NW
12
4
NW
12
4
NW
11
3.5
NW
11
3.5
NW
11
3
NW
10
3
NW
10
2.5
NW
10
2.3
NW
10
Energy kJ
138
421
486
489
666
926
1310
1922
2585
4075
5694
7059
6070
5173
4705
3946
3097
2434
1924
1569
1224
929
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
1
1
1
1
1
1
1
1
1
4
2
4
2
1
4
2
2
1
3
1
Distance (km)
260
144
151
258
258
258
516
697
469
469
469
469
509
511
585
511
585
1033
569
584
820
1092
1202
298
Best forecast wave conditions in Sligo
Rating
(10 max)
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
1
1
1
1
Header Global
Rating
(10 max)
5
5
9
9
9
5
5
6
9
9
9
8
5
8
8
6
6
9
9
8
9
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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