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 Monday 15 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 6AM is: 3.0m 10s primary swell from a West-northwest direction and 2.2m 10s secondary swell from a West direction, 0.9m 16s secondary swell from a West direction (forecast issued at 11:00pm December 15). The wind direction is predicted to be cross-shore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 6ft (1.9m) | 12s |
| Afternoon (16 Dec) | 11ft (3.5m) | 13s |
| Evening (16 Dec) | 10ft (3.0m) | 13s |
Table - waves today at Forte Novo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 10 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 24 | 23 | 21 | 20 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 531 | 515 | 431 | 1569 | 1053 | 4631 | 3511 | 3145 | 2949 | 2496 | 2022 | 1760 | 1487 | 1190 | 1049 | 888 | 771 | 663 | 547 | 439 | 734 | 2587 | 4671 | 5032 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | glass | cross- off | cross- off | cross |
High Tide / height (m) | 11:37PM 2.31 | 11:56AM 2.28 | 12:18AM 2.41 | 12:39PM 2.35 | 12:57AM 2.51 | 1:18PM 2.41 | ||||||||||||||||||
Low Tide / height (m) | 5:47AM 0.74 | 6:01PM 0.67 | 6:28AM 0.64 | 6:39PM 0.61 | 7:07AM 0.53 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:39 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:16 | - |
 |  |  | |  | |  |  | | | | |  | | |  | | | | | | | | | |
Rain (mm) | 1 | - | 10 | 3 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 15 | 13 | 11 | 12 | 12 | 12 | 13 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 14 | 16 | 14 | 14 | 14 | 13 | 13 | 13 | 14 |
| Feels °C (?) | 12 | 10 | 7 | 3 | 4 | 4 | 3 | 3 | 4 | 3 | 3 | 4 | 4 | 4 | 5 | 9 | 12 | 11 | 11 | 12 | 12 | 11 | 11 | 12 |
- 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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