Lighthouse surfForecast / Sligo / Ireland

information circle48hr Weather and Surf, issued 12 am 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
12.0° 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 8AM is: 1.6m 8s primary swell from a Northwest direction and 0.3m 9s secondary swell from a West direction (forecast issued at 12:00am May 11). The wind direction is predicted to be cross-offshore.

Time (IST) & DateWave HeightWave Period
Morning (11 May)5ft (1.6m)8s
Afternoon (11 May)5ft (1.6m)8s
Evening (11 May)4.5ft (1.4m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 9mm), mostly falling on Sun 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 NNW by Wed morning).

Monday
11
Tuesday
12
Wednesday
13
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
4 PM
7 PM
10 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
Wave
Height (m)
Direction
Period (s)
1.4
NW
7
1.6
NW
7
1.7
NNW
8
1.6
NW
8
1.5
NW
8
1.5
NW
8
1.5
NW
9
1.5
NW
9
1.7
WNW
9
1.7
WNW
9
2.1
NW
7
2.2
NW
8
2.2
WNW
9
2.5
WNW
9
3
WNW
10
3.5
WNW
10
4
WNW
10
4.5
WNW
11
4.5
NW
12
4.5
NW
12
4.5
NW
12
4.5
NW
12
4
NW
11
3.5
NW
11
Wave Graph
Metric surfscale
Energy kJ
206
268
314
322
304
313
320
334
421
439
428
587
732
1131
1657
2162
3098
4820
5728
5517
5297
4836
3997
3031
Wind (km/h)
25
NW
25
NNW
25
N
25
N
25
NNW
20
NNW
15
NW
15
W
25
W
30
WNW
30
NW
35
NW
30
WNW
35
WNW
40
W
40
W
45
WNW
45
WNW
45
NW
45
NW
50
NNW
45
NNW
45
NNW
40
NNW
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
High Tide
1:26AM2.70m
2:16PM2.33m
2:27AM2.84m
3:16PM2.56m
3:20AM3.04m
4:05PM2.83m
Low Tide
8:11AM1.03m
8:04PM1.17m
9:06AM0.78m
9:06PM1.00m
9:51AM0.51m
9:58PM0.77m
light rain
light rain
rain showers
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
light rain
light rain
light rain
rain showers
rain showers
rain showers
part 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>
9:23
9:25
9:28
1
1
1
1
1
1
1
1
1
Temp °C
10
10
10
9
9
9
9
9
9
10
9
10
10
11
10
10
9
8
9
9
10
10
9
9
5
4
4
3
3
4
5
6
3
4
2
2
3
3
2
2
-1
-3
-1
-1
0
0
-1
0
Swell 1
Height (m)
Direction
Period (s)
0.3
W
10
0.3
W
9
0.3
W
9
0.3
W
9
1.5
NW
8
1.5
NW
8
1.5
NW
9
1.5
NW
9
0.1
W
20
0.1
W
19
0.2
WNW
14
0.1
W
19
0.1
W
18
0.1
W
18
Energy kJ
16
15
14
14
304
313
320
334
7
7
20
7
7
6
Swell 2
Height (m)
Direction
Period (s)
0.1
W
15
0.3
W
9
0.2
W
9
0.2
W
14
0.1
W
19
Energy kJ
4
14
6
15
7
Swell 3
Height (m)
Direction
Period (s)
0.1
W
15
0.2
WNW
14
0.2
WNW
14
Energy kJ
4
19
18
Wind waves
Height (m)
Direction
Period (s)
1.4
NW
7
1.6
NW
7
1.7
NNW
8
1.6
NW
8
0.4
NNW
3
1.7
WNW
9
1.7
WNW
9
2.1
NW
7
2.2
NW
8
2.2
WNW
9
2.5
WNW
9
3
WNW
10
3.5
WNW
10
4
WNW
10
4.5
WNW
11
4.5
NW
12
4.5
NW
12
4.5
NW
12
4.5
NW
12
4
NW
11
3.5
NW
11
Energy kJ
206
268
314
322
4
421
439
428
587
732
1131
1657
2162
3098
4820
5728
5517
5297
4836
3997
3031
Nearest Offshore or Glassy
Rating
(10 max)
1
3
3
1
2
1
1
2
1
1
1
2
1
1
1
1
1
1
1
3
1
2
1
1
Distance (km)
468
459
438
220
260
414
418
151
258
258
258
524
697
464
468
469
468
517
575
584
1112
1181
1076
452
Best forecast wave conditions in Sligo
Rating
(10 max)
Best forecast wave conditions in Ireland
Rating
(10 max)
2
1
1
1
Header Global
Rating
(10 max)
5
8
6
5
4
5
5
5
5
5
5
9
9
9
9
9
7
5
7
7
6
6
7
9
  • 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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