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Surf Forecasts:
Lighthouse surfForecast / Sligo / Ireland
48hr Weather and Surf, issued 6 pm Sunday 10 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 11PM is: 1.3m 8s primary swell from a North-northwest direction and 0.3m 10s secondary swell from a West direction, 0.2m 10s secondary swell from a North direction (forecast issued at 06:00pm May 10). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | - | - |
| Afternoon (10 May) | 3.5ft (1.1m) | 8s |
| Evening (10 May) | 3.5ft (1.1m) | 7s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Sun night. Very mild (max 11°C on Tue afternoon, min 8°C on Mon morning). Winds increasing (light winds from the NW on Mon afternoon, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 8 | NW 6 | NW 8 | NW 7 | NW 8 | NNW 8 | NW 8 | NW 8 | NW 8 | NW 9 | NW 9 | WNW 9 | WNW 9 | WNW 7 | NW 8 | WNW 8 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 | |
153 | 66 | 187 | 223 | 248 | 271 | 322 | 330 | 313 | 320 | 293 | 421 | 439 | 405 | 573 | 715 | 971 | 1432 | 1883 | 2585 | 3824 | 5214 | 5718 | 5173 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross | cross | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 1:02PM2.19m | 1:26AM2.70m | 2:16PM2.33m | 2:27AM2.84m | 3:16PM2.56m | 3:20AM3.04m | ||||||||||||||||||
Low Tide | 6:46PM1.25m | 8:11AM1.03m | 8:04PM1.17m | 9:06AM0.78m | 9:06PM1.00m | 9:51AM0.51m | ||||||||||||||||||
 |  |  |  | |  | | | |  | | | | | | | | | |  | | | | | |
 | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — |
 | — | 9:22 | — | — | — | — | — | — | — | 9:23 | — | — | — | — | — | — | — | 9:25 | — | — | — | — | — | 9:28 |
— | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | |
Temp °C | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 9 | 10 | 10 | 11 | 10 | 10 | 9 | 8 | 9 | 9 | 10 |
4 | 4 | 5 | 5 | 5 | 3 | 2 | 3 | 4 | 5 | 6 | 5 | 4 | 2 | 2 | 2 | 3 | 2 | 2 | -1 | -3 | -1 | -1 | 0 | |
Swell 1 Height (m) Direction Period (s) | W 10 | N 8 | W 10 | W 10 | W 9 | W 9 | NW 8 | NW 8 | NW 8 | NW 9 | NW 9 | — | W 20 | W 19 | WNW 14 | W 19 | W 18 | W 18 | — | — | — | — | — | — |
 kJ | 17 | 51 | 17 | 16 | 15 | 14 | 322 | 330 | 313 | 320 | 293 | — | 7 | 7 | 20 | 7 | 7 | 6 | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 10 | N 10 | — | — | W 15 | W 9 | W 9 | W 9 | WNW 13 | WNW 12 | — | — | — | W 19 | — | — | — | — | — | — | — | — | — |
| kJ | 10 | 20 | 8 | — | — | 4 | 14 | 14 | 6 | 18 | 29 | — | — | — | 7 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 10 | — | — | — | — | W 15 | WNW 14 | WNW 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 17 | — | — | — | — | 4 | 19 | 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 8 | NW 6 | NW 8 | NW 7 | NW 8 | NNW 8 | — | — | NW 3 | — | — | WNW 9 | WNW 9 | WNW 7 | NW 8 | WNW 8 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NW 11 | NW 12 | NW 12 |
| kJ | 153 | 66 | 187 | 223 | 248 | 271 | — | — | 2 | — | — | 421 | 439 | 405 | 573 | 715 | 971 | 1432 | 1883 | 2585 | 3824 | 5214 | 5718 | 5173 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 495 | 507 | 569 | 438 | 459 | 438 | 103 | 260 | 161 | 414 | 151 | 258 | 258 | 298 | 524 | 517 | 464 | 468 | 468 | 469 | 469 | 575 | 1198 | 1207 |
Best forecast wave conditions in Sligo | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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