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:
Forte Novo surfForecast / Algarve / Portugal
48hr Weather and Surf, issued 5 am Thursday 11 Dec 2025 WETForecast update in hr min s Forecast update imminent
Forte Novo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Forte Novo sea temperature is
16.7° C
(Which is slightly cooler than normal)How big are the waves at Forte Novo today?
The current surf forecast for Forte Novo at 8AM is: 1.8m 13s primary swell from a West-southwest direction (forecast issued at 05:00am December 11). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 6ft (1.8m) | 13s |
| Afternoon (11 Dec) | 5ft (1.5m) | 13s |
| Evening (11 Dec) | 4.5ft (1.3m) | 12s |
Table - waves today at Forte Novo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 14 | 13 | 13 | 16 | 17 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1139 | 1144 | 1162 | 1018 | 775 | 659 | 545 | 461 | 414 | 743 | 811 | 681 | 2187 | 3092 | 3996 | 4368 | 4225 | 3820 | 3777 | 3128 | 2765 | 2053 | 1606 | 1434 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | glass | glass | cross- on | on | cross | cross- off | cross- off | cross- off | off | off | off | off | cross- off | off | off | off |
High Tide / height (m) | 7:01AM 2.47 | 7:45PM 2.12 | 8:05AM 2.33 | 8:51PM 2.09 | 9:11AM 2.24 | 9:55PM 2.12 | ||||||||||||||||||
Low Tide / height (m) | 12:32AM 0.75 | 1:29PM 0.67 | 1:38AM 0.87 | 2:34PM 0.76 | 2:50AM 0.93 | 3:37PM 0.79 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - |
 | |  | | |  | | |  | |  | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 1 | 4 | 1 | - | - | 1 | 2 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 14 | 13 | 14 | 14 | 13 | 13 | 14 | 17 | 18 | 17 | 16 | 15 |
| Feels °C (?) | 10 | 12 | 12 | 12 | 12 | 15 | 14 | 14 | 13 | 13 | 11 | 9 | 11 | 9 | 10 | 9 | 9 | 9 | 9 | 12 | 13 | 13 | 12 | 11 |
- 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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