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Surf Forecasts:
Lighthouse surfForecast / Sligo / Ireland
48hr Weather and Surf, issued 12 am Thursday 23 Apr 2026 ISTForecast 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
10.3° C
(Which is normal for this time of year)How big are the waves at Lighthouse today?
The current surf forecast for Lighthouse at 7AM is: 0.2m 9s primary swell from a West direction and 0.1m 6s secondary swell from a North direction (forecast issued at 12:00am April 23). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 0.5ft (0.2m) | 9s |
| Afternoon (23 Apr) | 0.5ft (0.1m) | 9s |
| Evening (23 Apr) | 0.5ft (0.1m) | 11s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Fri afternoon, min 8°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | ||||||||||||||||||||||
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 | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WNW 10 | WNW 10 | W 9 | W 9 | W 9 | W 9 | W 10 | W 11 | W 15 | SW 13 | WSW 13 | SW 12 | SW 13 | SW 13 | SW 12 | SW 14 | WSW 13 | WSW 12 | SW 12 | SW 11 | SW 11 | SW 10 | SW 10 | W 10 | |
10 | 9 | 6 | 6 | 2 | 2 | 2 | 2 | 4 | 7 | 16 | 6 | 7 | 6 | 6 | 8 | 17 | 15 | 5 | 5 | 5 | 4 | 4 | 2 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | glassy | |
High Tide | 10:28PM3.16m | 11:10AM2.58m | 11:40PM2.98m | 12:35PM2.37m | 1:05AM2.91m | 2:06PM2.37m | ||||||||||||||||||
Low Tide | 4:48AM0.69m | 4:54PM0.93m | 6:16AM0.88m | 6:19PM1.11m | 7:57AM0.88m | 7:55PM1.12m | ||||||||||||||||||
 | |  | | |  | |  |  | |  | | | | | | | | | | | | | | |
 | — | 6:15 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:51 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:54 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 9 | 8 | 9 | 13 | 15 | 15 | 12 | 11 | 10 | 9 | 11 | 15 | 17 | 16 | 13 | 11 | 10 | 9 | 11 | 13 | 15 | 16 | 13 |
6 | 4 | 3 | 4 | 7 | 10 | 11 | 9 | 7 | 6 | 5 | 7 | 10 | 13 | 13 | 10 | 8 | 6 | 5 | 7 | 10 | 12 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | W 9 | W 9 | W 9 | W 9 | W 10 | W 9 | W 9 | SW 13 | WSW 13 | SW 12 | SW 13 | SW 13 | SW 12 | SW 14 | WSW 13 | WSW 12 | SW 12 | SW 11 | SW 11 | NW 8 | NW 8 | NW 7 |
 kJ | 10 | 9 | 6 | 6 | 2 | 2 | 2 | 2 | 2 | 7 | 16 | 6 | 7 | 6 | 6 | 8 | 17 | 15 | 5 | 5 | 5 | 3 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | N 6 | N 6 | N 6 | N 6 | — | — | W 10 | W 11 | W 12 | W 9 | W 9 | W 8 | W 8 | W 8 | N 7 | N 7 | N 7 | N 6 | N 6 | N 6 | — | SW 10 | SW 10 | W 10 |
| kJ | 1 | 1 | 1 | 1 | — | — | 2 | 2 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | 4 | 4 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 15 | — | — | — | — | — | — | — | — | — | — | N 8 | N 6 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | E 3 | E 3 | E 3 | ESE 3 | ESE 3 | SE 3 | SE 3 | ESE 3 | ESE 3 | ESE 3 | ESE 3 | ESE 3 | ESE 2 | — | — | — | ESE 2 | ESE 2 | ESE 2 | ESE 2 | — | — | — | — |
| kJ | 8 | 5 | 8 | 9 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 1 | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 259 | 259 | 259 | 746 | 704 | 314 | 265 | 245 | 141 | 141 | 141 | 141 | 261 | 166 | 166 | 141 | 141 | 97 | 97 | 102 | 259 | 259 | 259 | 257 |
Best forecast wave conditions in Sligo | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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