Lighthouse surfForecast / Sligo / Ireland

information circle48hr Weather and Surf, issued 11 pm Saturday 17 Jan 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
8.4° C
(Which is 1.3°C colder than average for this time of year)


How big are the waves at Lighthouse today?

The current surf forecast for Lighthouse at 4AM is: 1.3m 10s primary swell from a West direction (forecast issued at 11:00pm January 17). An open ocean swell of 0.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (IST) & DateWave HeightWave Period
Morning (18 Jan)4ft (1.2m)10s
Afternoon (18 Jan)3.5ft (1.0m)10s
Evening (18 Jan)2.5ft (0.8m)9s

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

Updates in  hr  min  s Forecast update imminent
Sunday
18
Monday
19
Tuesday
20
9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM
Rating
(10 max)
3
2
2
1
1
1
1
0
0
0
0
1
5
7
8
7
7
7
5
4
2
4
4
4
Swell
Height Map
Wave Height (m) & direction (?)
1.5
W
1.4
W
1.4
W
1.2
W
1.2
W
1
W
1
W
0.8
W
0.8
W
1.1
W
1.4
W
1.3
WNW
3
WNW
4
WNW
4
WNW
3.5
WNW
3.5
WNW
3.5
WNW
3.5
WNW
3.5
WNW
3
WNW
3
WNW
2.5
WNW
2.5
WNW
Period(s) (?)1111111010101010991019171616161616161615151414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5534664493022902001901171042054161109599672837103639064706470597251254187352929352488
Wind
(km/h)
10
ESE
10
SE
15
SE
15
SSE
15
SE
20
SSE
20
SSE
20
SSE
30
SSE
35
SSE
25
SSW
20
W
10
SSW
5
S
5
SSE
10
SE
10
ESE
15
SSE
25
SE
25
ESE
40
ESE
20
ESE
10
ESE
10
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
oncrosscrossglasscross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
High Tide
/ height (m)
5:34AM
3.25
5:47PM
2.93
6:08AM
3.41
6:22PM
3.00
6:42AM
3.53
Low Tide
/ height (m)
11:09PM
0.54
11:43AM
0.55
11:43PM
0.40
12:18PM
0.44
12:15AM
0.31
12:51PM
0.36
Sunday
18
Monday
19
Tuesday
20
Sunrise----8:42-------8:41-------8:41---
Sunset------4:45-------4:46-------4:49-
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
cloud
light rain
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
light rain
cloud
cloud
cloud
Rain (mm)
---------1-1--------1---
Temp. °C543323556676567655446566
Feels °C (?)21-1-2-3-2-10-1-211235321-3-3-3032
  • 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

Latest Updates

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Lighthouse surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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