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 11 am Thursday 11 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 1PM is: 3.0m 13s primary swell from a West-northwest direction (forecast issued at 11:00am December 11). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 10ft (3.0m) | 13s |
| Afternoon (11 Dec) | 8ft (2.5m) | 13s |
| Evening (11 Dec) | 6ft (1.9m) | 13s |
Table - waves today at Cogumelo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 16 | 16 | 18 | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3281 | 2778 | 2288 | 1803 | 1223 | 961 | 2162 | 2187 | 2248 | 3105 | 9382 | 14774 | 17697 | 16270 | 15247 | 14538 | 12781 | 10934 | 8528 | 6657 | 5824 | 4729 | 3436 | 2944 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- on | cross | glass | glass | cross- off | cross- off | cross- on | cross | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 7:10AM 2.46 | 7:54PM 2.10 | 8:14AM 2.32 | 9:00PM 2.07 | 9:19AM 2.23 | 10:04PM 2.10 | ||||||||||||||||||
Low Tide / height (m) | 1:39PM 0.65 | 1:48AM 0.85 | 2:44PM 0.75 | 2:59AM 0.91 | 3:47PM 0.78 | 4:08AM 0.90 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | 7:39 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - |
 |  |  |  | | | | |  | | | |  | | |  | | | |  | | | | | |
Rain (mm) | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 15 | 17 | 15 | 14 | 13 | 11 | 10 |
| Feels °C (?) | 11 | 13 | 13 | 14 | 14 | 12 | 11 | 10 | 9 | 10 | 11 | 10 | 10 | 11 | 8 | 8 | 8 | 11 | 14 | 12 | 10 | 10 | 7 | 6 |
- 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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