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Surf Forecasts:
Lighthouse surfForecast / Sligo / Ireland
48hr Weather and Surf, issued 12 am Monday 11 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
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) & Date | Wave Height | Wave 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 ForecastLight 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 | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NW 7 | NW 7 | NNW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 9 | WNW 9 | WNW 9 | NW 7 | NW 8 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | |
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) | ||||||||||||||||||||||||
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 | ||||||||||||||||||
 | |  |  | |  | |  | |  | | | | | | | | |  | | | | | | |
 | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 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) | W 10 | W 9 | W 9 | W 9 | NW 8 | NW 8 | NW 9 | NW 9 | — | W 20 | W 19 | WNW 14 | W 19 | W 18 | W 18 | — | — | — | — | — | — | — | — | — |
 kJ | 16 | 15 | 14 | 14 | 304 | 313 | 320 | 334 | — | 7 | 7 | 20 | 7 | 7 | 6 | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 15 | W 9 | W 9 | W 14 | — | — | — | — | W 19 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 4 | 14 | 6 | 15 | — | — | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 15 | WNW 14 | WNW 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 4 | 19 | 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 7 | NNW 8 | NW 8 | — | NNW 3 | — | — | WNW 9 | WNW 9 | NW 7 | NW 8 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 |
| 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 | ||||||||||||||||||||||||
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 | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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