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 Sunday 14 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
16.3° C
(Which is slightly cooler than normal)How big are the waves at Cogumelo today?
The current surf forecast for Cogumelo at 4PM is: 2.1m 13s primary swell from a Northwest direction (forecast issued at 11:00am December 14). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 8ft (2.5m) | 14s |
| Afternoon (14 Dec) | 7ft (2.1m) | 13s |
| Evening (14 Dec) | 7ft (2.1m) | 13s |
Table - waves today at Cogumelo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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) (?) | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 10 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2570 | 1783 | 1498 | 1430 | 1452 | 1998 | 2290 | 2245 | 2122 | 2008 | 1876 | 1708 | 2938 | 3207 | 2661 | 4112 | 5705 | 7547 | 8498 | 10124 | 9599 | 9159 | 7807 | 6306 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | off | off | glass | cross- off | cross | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- off |
High Tide / height (m) | 10:22AM 2.20 | 10:59PM 2.18 | 11:17AM 2.21 | 11:46PM 2.28 | 12:05PM 2.26 | 12:28AM 2.39 | ||||||||||||||||||
Low Tide / height (m) | 4:42PM 0.77 | 5:07AM 0.84 | 5:30PM 0.73 | 5:56AM 0.74 | 6:11PM 0.67 | |||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | 7:41 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:43 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - |
 | | |  |  |  | | |  | |  |  |  |  | | |  | |  | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | 4 | 6 | 2 | 2 | 5 | 4 | 3 | 1 | 1 | 1 | 1 | - | - |
| Temp. °C | 11 | 16 | 17 | 16 | 14 | 13 | 13 | 13 | 14 | 16 | 15 | 14 | 11 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 11 | 10 |
| Feels °C (?) | 8 | 13 | 14 | 14 | 12 | 12 | 12 | 11 | 12 | 13 | 13 | 9 | 5 | 6 | 5 | 4 | 3 | 4 | 4 | 4 | 5 | 5 | 6 | 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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