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Surf Forecasts:
Lighthouse surfForecast / Sligo / Ireland
48hr Weather and Surf, issued 6 pm Saturday 16 May 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
11.8° C
(Which is slightly warmer than usual)How big are the waves at Lighthouse today?
The current surf forecast for Lighthouse at 3AM is: 3.0m 13s primary swell from a West direction (forecast issued at 06:00pm May 16). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 10ft (3.0m) | 13s |
| Afternoon (17 May) | 8ft (2.5m) | 12s |
| Evening (17 May) | 8ft (2.5m) | 12s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 23mm), heaviest during Mon night. Very mild (max 13°C on Mon afternoon, min 6°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the SE by Mon night). | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
WNW 13 | W 12 | W 11 | W 14 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | W 13 | |
215 | 299 | 815 | 2694 | 3018 | 3007 | 2696 | 2385 | 2079 | 1835 | 1463 | 1206 | 1005 | 778 | 698 | 531 | 424 | 363 | 250 | 205 | 132 | 92 | 65 | 32 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | cross-on | cross-on | on | on | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | |
High Tide | 6:14PM3.53m | 6:31AM3.58m | 6:58PM3.65m | 7:20AM3.51m | 7:44PM3.68m | 8:10AM3.34m | ||||||||||||||||||
Low Tide | 00:16AM0.10m | 12:37PM-0.04m | 1:03AM0.02m | 1:21PM0.03m | 1:53AM0.04m | |||||||||||||||||||
 | |  | | |  |  | | | |  | | |  | | | | |  | | | | | | |
 | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — |
 | — | 9:32 | — | — | — | — | — | — | — | 9:34 | — | — | — | — | — | — | — | 9:36 | — | — | — | — | — | 9:37 |
1 | 1 | 1 | 1 | 1 | — | 2 | 3 | 3 | 1 | — | — | — | — | — | — | — | — | 4 | 2 | 1 | — | 1 | 1 | |
Temp °C | 11 | 10 | 9 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 8 | 7 | 6 | 6 | 8 | 11 | 13 | 12 | 10 | 10 | 11 | 11 | 12 | 13 |
5 | 4 | 3 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 6 | 6 | 4 | 3 | 5 | 6 | 8 | 7 | 4 | 3 | 7 | 7 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | WNW 13 | W 12 | WNW 14 | — | — | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 |
 kJ | 215 | 299 | 613 | — | — | 3007 | 2696 | 2385 | 2079 | 1835 | 1463 | 1206 | 1005 | 778 | 698 | 531 | 424 | 363 | 250 | 205 | 132 | 92 | 65 | 32 |
Swell 2 Height (m) Direction Period (s) | N 7 | WNW 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 16 | W 15 | W 15 | W 15 | W 14 | WSW 9 |
| kJ | 4 | 130 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 4 | 17 | 17 | 15 | 28 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 9 | N 9 | N 9 | N 8 | N 8 | W 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 1 | 1 | 1 | 31 |
Wind waves Height (m) Direction Period (s) | WNW 7 | WNW 7 | W 11 | W 14 | W 13 | W 13 | — | — | W 12 | — | — | — | — | — | — | — | — | — | SE 3 | ESE 3 | SE 4 | SSE 3 | S 3 | SW 4 |
| kJ | 166 | 198 | 815 | 2694 | 3018 | 1909 | — | — | 1379 | — | — | — | — | — | — | — | — | — | 3 | 6 | 12 | 7 | 5 | 8 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 160 | 418 | 421 | 144 | 144 | 144 | 160 | 41 | 97 | 144 | 24 | 0 | 0 | 0 | 0 | 5 | 6 | 5 | 25 | 251 | 6 | 10 | 41 | 144 |
Best forecast wave conditions in Sligo | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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