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Surf Forecasts:
Lighthouse surfForecast / Sligo / Ireland
48hr Weather and Surf, issued 12 am Saturday 23 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 slightly warmer than usual)How big are the waves at Lighthouse today?
The current surf forecast for Lighthouse at 5AM is: 0.8m 10s primary swell from a West direction and 0.1m 6s secondary swell from a North direction, 0.5m 3s secondary swell from a South direction (forecast issued at 12:00am May 23). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 2.5ft (0.7m) | 10s |
| Afternoon (23 May) | 3ft (0.9m) | 10s |
| Evening (23 May) | 3.5ft (1.1m) | 10s |
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 18°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 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 |    |    |    | |||||||||||||||||||||
WSW 10 | W 10 | W 11 | W 9 | W 10 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 15 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | |
176 | 127 | 146 | 87 | 117 | 142 | 176 | 231 | 339 | 327 | 273 | 220 | 179 | 175 | 291 | 1163 | 1324 | 1218 | 1077 | 1054 | 841 | 814 | 814 | 988 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 11:29PM3.22m | 12:16PM2.46m | 00:38AM3.10m | 1:31PM2.44m | 1:47AM3.03m | 2:40PM2.53m | ||||||||||||||||||
Low Tide | 6:05AM0.71m | 5:56PM0.97m | 7:23AM0.76m | 7:16PM1.04m | 8:30AM0.73m | 8:30PM1.02m | ||||||||||||||||||
 | |  |  | | | |  | | | | |  | | |  | | | | | | | | | |
 | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:44 | — | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:46 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 11 | 13 | 15 | 16 | 15 | 13 | 12 | 11 | 11 | 14 | 16 | 18 | 17 | 15 | 14 | 13 | 14 | 15 | 17 | 15 | 14 | 13 |
8 | 8 | 8 | 9 | 10 | 11 | 12 | 9 | 9 | 8 | 8 | 11 | 12 | 15 | 15 | 13 | 12 | 11 | 12 | 14 | 16 | 14 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | WSW 10 | W 10 | W 11 | W 9 | W 10 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 |
 kJ | 176 | 127 | 146 | 87 | 117 | 142 | 176 | 231 | 339 | 327 | 273 | 220 | 179 | 175 | 164 | 1163 | 1324 | 1218 | 1077 | 1054 | 841 | 814 | 814 | 988 |
Swell 2 Height (m) Direction Period (s) | N 6 | N 6 | — | WSW 11 | — | — | — | — | — | — | — | — | W 17 | WNW 16 | W 15 | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | — | 25 | — | — | — | — | — | — | — | — | 6 | 85 | 291 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 12 | W 12 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 69 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 3 | SSW 3 | S 3 | S 3 | SSW 3 | S 3 | — | — | SSW 3 | S 3 | S 3 | S 3 | S 3 | S 3 | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 3 | 5 | 5 | 3 | 1 | — | — | 1 | 3 | 4 | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 6 | 10 | 10 | 10 | 41 | 10 | 10 | 5 | 5 | 0 | 10 | 24 | 41 | 6 | 5 | 0 | 0 | 0 | 5 | 41 | 97 | 102 | 33 |
Best forecast wave conditions in Sligo | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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