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:
Cogumelo surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 5 am Friday 12 Dec 2025 WETForecast update in hr min s Forecast update imminent
Cogumelo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cogumelo sea temperature is
16.4° C
(Which is slightly cooler than normal)How big are the waves at Cogumelo today?
The current surf forecast for Cogumelo at 2PM is: 4.0m 16s primary swell from a West-northwest direction and 2.4m 16s secondary swell from a Northwest direction, 1.0m 5s secondary swell from a South direction (forecast issued at 05:00am December 12). The wind direction is predicted to be offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 8ft (2.5m) | 13s |
| Afternoon (12 Dec) | 13ft (4.0m) | 16s |
| Evening (12 Dec) | 16ft (5.0m) | 19s |
Table - waves today at Cogumelo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 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) (?) | 14 | 13 | 13 | 16 | 16 | 18 | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2038 | 2245 | 2021 | 3105 | 9049 | 14401 | 16346 | 15882 | 15357 | 13721 | 12206 | 10504 | 7909 | 6427 | 5606 | 4085 | 3261 | 2903 | 2424 | 1783 | 1521 | 1408 | 1326 | 1710 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- off | cross- off | off | off | off | cross- off | off | cross- off | cross- off | off | cross- off | cross- off | cross- off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | off | glass |
High Tide / height (m) | 8:14AM 2.32 | 9:00PM 2.07 | 9:19AM 2.23 | 10:04PM 2.10 | 10:22AM 2.20 | 10:59PM 2.18 | ||||||||||||||||||
Low Tide / height (m) | 1:48AM 0.85 | 2:44PM 0.75 | 2:59AM 0.91 | 3:47PM 0.78 | 4:08AM 0.90 | 4:42PM 0.77 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | - | 7:39 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:16 | - | - | - |
 |  |  | | | | | | |  |  |  |  | | |  | | | | | | | | | |
Rain (mm) | - | 3 | 5 | 1 | 1 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 13 | 13 | 14 | 13 | 12 | 12 | 13 | 13 | 13 | 16 | 17 | 15 | 14 | 13 | 11 | 10 | 10 | 15 | 18 | 15 | 14 | 13 |
| Feels °C (?) | 12 | 11 | 9 | 10 | 11 | 9 | 9 | 9 | 9 | 10 | 9 | 12 | 14 | 12 | 10 | 9 | 8 | 7 | 7 | 12 | 16 | 13 | 13 | 12 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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