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Surf Forecasts:
Lighthouse surfForecast / Sligo / Ireland
48hr Weather and Surf, issued 6 pm Wednesday 20 Aug 2025 IST
How big are the waves at Lighthouse today?
The current surf forecast for Lighthouse at 8PM is: 0.4m 7s primary swell from a North direction and 0.1m 8s secondary swell from a West direction, 0.1m 7s secondary swell from a West direction (forecast issued at 06:00pm August 20). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | - | - |
| Afternoon (20 Aug) | 1ft (0.3m) | 7s |
| Evening (20 Aug) | 1ft (0.3m) | 7s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 15 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 15 | 18 | 11 | 9 | 17 | 15 | 15 | 24 | 42 | 95 | 134 | 154 | 183 | 163 | 154 | 115 | 105 | 98 | 79 | 74 | 52 | 49 | 49 | 32 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | cross- on | cross- on | glass | glass | glass | cross- on | cross- on | cross- on | glass | glass | glass | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:44PM 3.12 | 5:17AM 2.85 | 5:35PM 3.39 | 6:02AM 3.01 | 6:17PM 3.60 | 6:41AM 3.13 | ||||||||||||||||||
Low Tide / height (m) | 11:06PM 0.57 | 11:11AM 0.59 | 11:53PM 0.36 | 11:53AM 0.39 | 12:33AM 0.20 | 12:30PM 0.25 | ||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:24 | - | - |
| Sunset | - | 8:54 | - | - | - | - | - | - | - | 8:52 | - | - | - | - | - | - | - | 8:50 | - | - | - | - | - | - |
 | |  | | | | | |  | |  | | | | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 16 | 14 | 13 | 12 | 14 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 14 | 15 | 16 | 16 | 16 | 15 | 15 | 14 | 16 | 19 |
| Feels °C (?) | 17 | 15 | 15 | 13 | 12 | 11 | 14 | 16 | 15 | 14 | 14 | 13 | 14 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 13 | 15 | 19 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Sligo
Continuing clean conditions at Lighthouse (light winds from the E at Sligo Airport 4 km from Lighthouse). 0.3m 8s swell from the WNW with a 0.3m 4s local chop from the N. 2 swells combining to make bigger set waves.
1 h 39 min ago
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