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:
Cortegaca surfForecast / Beira / Portugal
48hr Weather and Surf, issued 11 pm Tuesday 16 Dec 2025 WETForecast update in hr min s Forecast update imminent
Cortegaca surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cortegaca sea temperature is
15.2° C
(Which is normal for this time of year)How big are the waves at Cortegaca today?
The current surf forecast for Cortegaca at 6AM is: 3.0m 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 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 8ft (2.5m) | 13s |
| Afternoon (17 Dec) | 7.5ft (2.3m) | 13s |
| Evening (17 Dec) | 6.5ft (2.0m) | 13s |
Table - waves today at Cortegaca. (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 | 17 | 17 | 17 | 17 | 17 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4824 | 4012 | 3349 | 2938 | 2486 | 2026 | 1793 | 1488 | 1256 | 1085 | 1354 | 13484 | 17852 | 19242 | 17875 | 18015 | 14152 | 13174 | 10238 | 10586 | 10766 | 10579 | 10827 | 10375 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- 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) | 12:53AM 2.50 | 1:13PM 2.43 | 1:32AM 2.60 | 1:53PM 2.50 | 2:09AM 2.69 | 2:30PM 2.55 | ||||||||||||||||||
Low Tide / height (m) | 6:37PM 0.70 | 7:05AM 0.66 | 7:16PM 0.64 | 7:44AM 0.56 | 7:53PM 0.57 | 8:21AM 0.48 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:54 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:07 | - |
 | | |  |  | | |  | | | | | | |  |  |  | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 8 | 5 | 1 | - | - | - | - | - |
| Temp. °C | 12 | 11 | 10 | 10 | 10 | 12 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 14 | 15 | 13 | 12 | 13 | 13 | 13 | 12 | 13 | 13 | 12 |
| Feels °C (?) | 7 | 8 | 7 | 7 | 7 | 11 | 12 | 12 | 10 | 8 | 8 | 7 | 6 | 7 | 8 | 7 | 5 | 8 | 7 | 8 | 6 | 8 | 7 | 7 |
- 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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