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Surf Forecasts:
Lighthouse surfForecast / Sligo / Ireland
48hr Weather and Surf, issued 12 am Tuesday 16 Sep 2025 IST
How big are the waves at Lighthouse today?
The current surf forecast for Lighthouse at 3AM is: 3.0m 11s primary swell from a West-northwest direction (forecast issued at 12:00am September 16). The wind direction is predicted to be onshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 8ft (2.4m) | 11s |
| Afternoon (16 Sep) | 6ft (1.9m) | 11s |
| Evening (16 Sep) | 5ft (1.5m) | 10s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 15 | 14 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 3170 | 2392 | 2348 | 1752 | 1194 | 1537 | 742 | 537 | 447 | 288 | 194 | 233 | 212 | 1012 | 10686 | 12112 | 5355 | 4122 | 2587 | 1616 | 1058 | 655 | 669 | 590 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross | cross- on | cross- on |
High Tide / height (m) | 1:32AM 2.37 | 2:12PM 2.71 | 3:11AM 2.43 | 3:36PM 2.91 | 4:20AM 2.63 | 4:34PM 3.18 | ||||||||||||||||||
Low Tide / height (m) | 7:06PM 1.06 | 7:35AM 1.20 | 8:59PM 0.98 | 9:11AM 1.08 | 10:11PM 0.75 | 10:13AM 0.85 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:11 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:49 | - | - | - | - | - | - | - | 7:46 | - | - | - | - | - | - | - | 7:44 |
 | |  | |  |  |  | |  | |  | | |  | | |  | | | |  | | | | |
Rain (mm) | 1 | 1 | - | 1 | - | 1 | - | - | 1 | 5 | 6 | 1 | - | - | - | - | - | - | - | 3 | 3 | 4 | 1 | 1 |
| Temp. °C | 13 | 13 | 13 | 12 | 13 | 14 | 15 | 14 | 12 | 12 | 13 | 14 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 11 | 12 | 17 | 17 | 17 |
| Feels °C (?) | 5 | 5 | 7 | 7 | 9 | 10 | 13 | 12 | 8 | 4 | 8 | 9 | 8 | 8 | 7 | 7 | 7 | 9 | 9 | 8 | 10 | 14 | 14 | 15 |
- Map Icons:
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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
The wind is still cross-on at Lighthouse (light winds from the SSW at Finner 32 km from Lighthouse). 3.0m 9s swell from the WNW which is too big for here.
32 km away, 2 h 0 min ago
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