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 11 pm Saturday 13 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 4AM is: 1.4m 15s primary swell from a West direction (forecast issued at 11:00pm December 13). An open ocean swell of 1.4m 8s is not directed at the surf break, a second open ocean swell of 2.1m 9s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 4ft (1.2m) | 14s |
| Afternoon (14 Dec) | 3.5ft (1.1m) | 13s |
| Evening (14 Dec) | 3.5ft (1.0m) | 13s |
Table - waves today at Forte Novo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| 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) (?) | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 10 | 10 | 12 | 12 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1606 | 1416 | 1037 | 691 | 581 | 565 | 404 | 330 | 330 | 345 | 653 | 602 | 684 | 684 | 655 | 627 | 531 | 437 | 437 | 1422 | 2382 | 2360 | 4961 | 5927 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | cross- off | glass | glass | cross | on | on | cross | cross | cross | cross | cross | cross | cross | cross- off |
High Tide / height (m) | 9:55PM 2.12 | 10:13AM 2.21 | 10:50PM 2.20 | 11:08AM 2.23 | 11:37PM 2.31 | 11:56AM 2.28 | ||||||||||||||||||
Low Tide / height (m) | 3:59AM 0.91 | 4:33PM 0.78 | 4:58AM 0.84 | 5:20PM 0.73 | 5:47AM 0.74 | |||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - |
 | | | |  | | |  | | | | |  | |  |  |  | |  | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 1 | 7 | 2 | - | 1 | 2 | 2 | 2 | 1 |
| Temp. °C | 17 | 15 | 14 | 13 | 14 | 16 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 11 | 11 | 11 | 11 | 13 | 12 | 10 |
| Feels °C (?) | 14 | 12 | 11 | 9 | 11 | 12 | 14 | 14 | 13 | 14 | 13 | 13 | 14 | 14 | 13 | 10 | 7 | 6 | 5 | 3 | 3 | 7 | 5 | 2 |
- 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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