Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Leca surfForecast / Douro & Minho / Portugal
48hr Weather and Surf, issued 11 pm Tuesday 16 Dec 2025 WETForecast update in hr min s Forecast update imminent
Leca surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Leca sea temperature is
15.1° C
(Which is normal for this time of year)How big are the waves at Leca today?
The current surf forecast for Leca at 6AM is: 2.5m 14s primary swell from a West-northwest direction (forecast issued at 11:00pm December 16). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 8ft (2.4m) | 13s |
| Afternoon (17 Dec) | 7ft (2.1m) | 13s |
| Evening (17 Dec) | 5.5ft (1.7m) | 13s |
Table - waves today at Leca. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 23 | 21 | 20 | 19 | 19 | 18 | 18 | 16 | 17 | 16 | 16 | 17 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3594 | 3048 | 2707 | 2397 | 1960 | 1777 | 1430 | 1156 | 965 | 920 | 1183 | 6044 | 13351 | 14616 | 14106 | 14933 | 11776 | 9620 | 7647 | 7911 | 7098 | 7132 | 7109 | 6987 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | off | glass | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- on | cross- on | cross- on | cross | cross | cross | cross |
High Tide / height (m) | 12:10AM 3.08 | 12:26PM 2.95 | 12:47AM 3.02 | 1:05PM 2.83 | 1:24AM 2.94 | 1:45PM 2.70 | ||||||||||||||||||
Low Tide / height (m) | 6:16AM 0.92 | 6:28PM 0.93 | 6:54AM 1.00 | 7:03PM 1.04 | 7:34AM 1.09 | |||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:54 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:07 | - |
 | | |  |  |  | | | | | | | | | |  |  | |  | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 6 | 3 | - | - | - | - | - | - |
| Temp. °C | 12 | 10 | 10 | 10 | 10 | 11 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 7 | 7 | 7 | 7 | 7 | 9 | 11 | 12 | 9 | 8 | 7 | 6 | 5 | 5 | 6 | 6 | 5 | 7 | 7 | 7 | 5 | 6 | 6 | 6 |
- 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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