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Surf Forecasts:
Lighthouse surfForecast / Sligo / Ireland
48hr Weather and Surf, issued 6 pm Tuesday 12 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 1.0°C warmer than normal for this time of year)How big are the waves at Lighthouse today?
The current surf forecast for Lighthouse at 2AM is: 4.5m 11s primary swell from a West-northwest direction and 0.1m 18s secondary swell from a West direction (forecast issued at 06:00pm May 12). The wind direction is predicted to be cross-onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 16ft (5.0m) | 12s |
| Afternoon (13 May) | 13ft (4.0m) | 12s |
| Evening (13 May) | 11ft (3.5m) | 11s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Tue night. Very mild (max 11°C on Tue afternoon, min 8°C on Tue night). Winds decreasing (strong winds from the NW on Tue night, light winds from the NNW by Fri morning). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 9 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | WNW 9 | NNW 8 | NNW 8 | WNW 8 | WNW 8 | WNW 8 | |
1209 | 1795 | 2585 | 4248 | 5473 | 7177 | 6514 | 4984 | 4394 | 3655 | 2975 | 2538 | 2067 | 1541 | 1224 | 992 | 783 | 711 | 280 | 434 | 374 | 161 | 161 | 123 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | |
High Tide | 3:16PM2.56m | 3:20AM3.04m | 4:05PM2.83m | 4:09AM3.25m | 4:49PM3.10m | 4:57AM3.43m | ||||||||||||||||||
Low Tide | 9:06PM1.00m | 9:51AM0.51m | 9:58PM0.77m | 10:33AM0.26m | 10:45PM0.51m | 11:14AM0.07m | ||||||||||||||||||
 |  |  | |  |  |  | | | | | | | | | | | |  |  |  | |  | | |
 | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — |
 | — | 9:25 | — | — | — | — | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:29 | — | — | — | — | — | 9:30 |
— | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 9 | 8 | 8 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 10 | 10 | 9 | 8 | 8 | 9 | 9 | 10 |
3 | 1 | 0 | -3 | -3 | -1 | -1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 1 | 1 | 3 | 3 | 5 | |
Swell 1 Height (m) Direction Period (s) | W 18 | — | — | W 18 | — | — | — | — | — | — | — | — | W 16 | W 16 | — | — | — | — | WNW 9 | — | WNW 8 | WNW 8 | WNW 8 | WNW 8 |
 kJ | 7 | — | — | 6 | — | — | — | — | — | — | — | — | 5 | 5 | — | — | — | — | 280 | — | 103 | 161 | 161 | 123 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 9 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | N 8 | NNW 8 | NNW 8 | N 7 | N 7 | N 7 |
| kJ | 1209 | 1795 | 2585 | 4248 | 5473 | 7177 | 6514 | 4984 | 4394 | 3655 | 2975 | 2538 | 2067 | 1541 | 1224 | 992 | 783 | 711 | 217 | 434 | 374 | 134 | 88 | 54 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 697 | 468 | 469 | 469 | 514 | 511 | 575 | 1109 | 1282 | 585 | 585 | 820 | 562 | 562 | 629 | 630 | 649 | 650 | 352 | 417 | 298 | 298 | 298 | 298 |
Best forecast wave conditions in Sligo | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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