Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
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Surf Forecasts:
Lighthouse surfForecast / Sligo / Ireland
48hr Weather and Surf, issued 11 am Monday 15 Dec 2025 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
9.9° C
(Which is slightly cooler than normal)How big are the waves at Lighthouse today?
The current surf forecast for Lighthouse at 3PM is: 4.0m 15s primary swell from a West direction (forecast issued at 11:00am December 15). The wind direction is predicted to be cross-shore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 11ft (3.5m) | 14s |
| Afternoon (15 Dec) | 13ft (4.0m) | 15s |
| Evening (15 Dec) | 13ft (4.0m) | 15s |
Table - waves today at Lighthouse. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 21 | 21 | 21 | 21 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4467 | 5644 | 6340 | 6499 | 6326 | 5953 | 5644 | 5224 | 4529 | 4170 | 3809 | 3371 | 3466 | 2623 | 2149 | 1854 | 2008 | 1673 | 1621 | 2702 | 22155 | 41017 | 42378 | 39482 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 2:33PM 2.72 | 3:14AM 2.73 | 3:23PM 2.75 | 3:55AM 2.88 | 4:06PM 2.81 | 4:33AM 3.02 | ||||||||||||||||||
Low Tide / height (m) | 8:24AM 1.08 | 8:53PM 0.80 | 9:15AM 0.96 | 9:33PM 0.72 | 9:59AM 0.83 | 10:10PM 0.64 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | 8:48 | - | - | - | - | - | - | - | 8:48 | - | - | - | - | - | - | - | 8:49 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:09 | - | - | - | - | - | - | - | 4:09 | - | - | - | - | - | - | - | 4:09 | - | - | - | - | - |
 | |  |  |  |  | | |  |  | | | | | |  |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | 1 | 1 | 1 | - | - | 2 | - | - | - |
| Temp. °C | 7 | 8 | 8 | 7 | 6 | 6 | 6 | 5 | 4 | 6 | 7 | 5 | 5 | 6 | 7 | 8 | 9 | 10 | 9 | 8 | 8 | 7 | 6 | 7 |
| Feels °C (?) | 3 | 4 | 4 | 3 | 2 | 2 | 2 | 1 | -1 | 1 | 2 | 0 | -1 | -2 | -3 | -2 | 2 | 5 | 4 | 3 | 3 | 2 | 1 | 1 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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