Lighthouse surfForecast / Sligo / Ireland

information circle48hr Weather and Surf, issued 6 pm Sunday 31 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
13.6° C
(Which is 1.6°C warmer than normal for this time of year)

How big are the waves at Lighthouse today (31 May):

  • Afternoon surf: Afternoon surf (31 May, local time) - 4.5ft (1.3m), 12s period with W swell.
  • Evening surf: Evening surf (31 May, local time) - 3.5ft (1.1m), 11s period with W swell.

The current surf forecast for Lighthouse at 10PM is: 1.1m 11s primary swell from a West direction and 0.2m 10s secondary swell from a North direction (forecast issued at 06:00pm May 31). The wind direction is predicted to be cross-offshore.

Time (IST) & DateWave HeightWave Period
Morning (31 May)--
Afternoon (31 May)4.5ft (1.3m)12s
Evening (31 May)3.5ft (1.1m)11s

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 16mm), heaviest on Mon morning. Very mild (max 16°C on Mon afternoon, min 11°C on Tue night). Wind will be generally light.

Sun
31
Monday
1
Tuesday
2
Wed
3
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
1
1
0
1
0
1
1
0
0
0
0
0
1
0
0
0
0
0
1
2
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)
1.2
W
12
1.2
W
11
1.1
W
11
1
W
11
0.9
W
11
0.9
WSW
11
0.9
W
11
0.9
W
10
0.9
W
10
1
W
10
0.8
W
10
1
W
10
0.9
W
10
0.8
W
9
0.7
W
9
0.7
W
9
0.6
W
9
0.6
W
10
0.4
W
16
0.7
W
14
1.2
W
14
1.2
W
13
1.1
W
13
1
W
13
Wave Graph
Metric surfscale
Energy kJ
396
369
305
253
195
194
184
177
164
200
122
186
148
113
85
83
61
67
77
206
569
495
404
319
Wind (km/h)
15
WSW
10
SSW
15
SSE
20
S
15
S
15
SSW
10
SSE
10
SE
15
SW
15
SW
15
WSW
10
W
10
WNW
5
WSW
10
WNW
15
WNW
20
WNW
15
W
15
SW
15
S
20
SSE
25
SSE
15
S
25
WSW
cross-on
cross
cross-off
cross
cross
cross-on
cross-off
cross-off
cross-on
cross-on
on
on
on
glassy
on
cross-on
cross-on
on
cross-on
cross
cross-off
cross-off
cross
cross-on
High Tide
6:48PM3.23m
7:03AM2.96m
7:23PM3.24m
7:39AM2.89m
8:00PM3.22m
8:15AM2.80m
Low Tide
00:54AM0.52m
12:59PM0.48m
1:30AM0.54m
1:33PM0.52m
2:08AM0.61m
cloud
part cloud
light rain
light rain
cloud
cloud
light rain
light rain
rain showers
rain showers
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
light rain
light rain
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:55
9:57
9:58
9:59
1
1
1
5
1
1
1
1
1
3
Temp °C
15
15
13
13
14
14
14
14
16
15
14
13
12
12
14
14
14
14
13
11
11
11
13
14
13
13
10
10
12
12
13
13
14
13
11
11
10
11
12
12
11
12
11
8
7
6
10
9
Swell 1
Height (m)
Direction
Period (s)
1.2
W
12
1.2
W
11
1.1
W
11
1
W
11
0.9
W
11
0.9
WSW
11
0.9
W
11
0.9
W
10
0.9
W
10
0.2
N
9
0.8
W
10
1
W
10
0.9
W
10
0.8
W
9
0.7
W
9
0.1
N
7
0.6
W
9
0.6
W
10
0.6
W
10
0.9
WSW
10
1.2
W
14
1.2
W
13
1.1
W
13
1
W
13
Energy kJ
396
369
305
253
195
194
184
177
164
6
122
186
148
113
85
1
61
67
77
160
569
495
404
319
Swell 2
Height (m)
Direction
Period (s)
0.2
N
10
0.2
N
10
0.2
N
10
0.2
N
10
0.2
N
10
0.2
N
10
0.2
N
10
0.2
N
9
0.2
N
9
0.1
N
9
0.1
N
9
0.1
N
8
0.1
N
8
0.1
N
8
0.1
W
18
0.1
W
17
0.2
W
16
0.4
W
16
0.7
W
14
Energy kJ
8
8
8
8
8
8
7
7
6
2
1
1
1
1
6
6
20
76
206
Swell 3
Height (m)
Direction
Period (s)
0.1
N
7
0.1
N
7
0.1
N
7
0.1
N
7
Energy kJ
1
1
1
1
Wind waves
Height (m)
Direction
Period (s)
0.4
SSE
3
0.4
S
3
0.2
S
3
1
W
10
0.7
W
4
0.7
W
9
0.7
W
4
0.7
W
4
0.8
W
4
0.7
W
5
0.7
SSE
3
0.7
SSW
4
1
WSW
7
Energy kJ
2
3
1
200
19
83
17
19
26
22
12
12
105
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
3
2
2
1
Distance (km)
10
5
10
10
5
5
0
0
6
41
10
10
41
0
41
144
144
278
10
5
6
25
10
165
Best forecast wave conditions in Sligo
Rating
(10 max)
3
2
2
2
2
2
2
2
1
2
2
1
1
2
3
3
Best forecast wave conditions in Ireland
Rating
(10 max)
3
2
2
2
2
1
2
2
2
2
2
2
2
1
2
1
1
2
1
2
3
2
3
1
Header Global
Rating
(10 max)
6
5
5
5
5
5
5
4
5
5
5
8
5
4
6
4
5
4
5
5
5
4
4
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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