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:
Monte Leao surfForecast / Sal / Cape Verde
48hr Weather and Surf, issued 10 am Tuesday 16 Dec 2025 -01Forecast update in hr min s Forecast update imminent
Monte Leao surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Monte Leao sea temperature is
24.7° C
(Which is slightly warmer than usual)How big are the waves at Monte Leao today?
The current surf forecast for Monte Leao at 2PM is: 0.5m 13s primary swell from a Northwest direction (forecast issued at 10:00am December 16). An open ocean swell of 1.0m 10s is not directed at the surf break, a second open ocean swell of 2.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-01) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 1.5ft (0.5m) | 14s |
| Afternoon (16 Dec) | 1.5ft (0.5m) | 13s |
| Evening (16 Dec) | 2.5ft (0.8m) | 16s |
Table - waves today at Monte Leao. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 13 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 103 | 71 | 88 | 130 | 361 | 411 | 365 | 360 | 350 | 331 | 313 | 352 | 290 | 249 | 199 | 187 | 146 | 172 | 120 | 116 | 156 | 147 | 210 | 207 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:03AM 0.64 | 6:32PM 0.71 | 6:50AM 0.64 | 7:11PM 0.74 | 7:32AM 0.64 | 7:47PM 0.77 | ||||||||||||||||||
Low Tide / height (m) | 11:55AM 0.20 | 12:37AM 0.20 | 12:37PM 0.18 | 1:20AM 0.16 | 1:16PM 0.15 | 2:00AM 0.12 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - | - |
 | | | |  | | | | | | | | | | | | | |  | |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 22 | 21 | 21 | 21 |
| Feels °C (?) | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 16 | 15 | 16 | 17 | 17 | 16 | 15 | 16 |
- 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)
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