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:
Reef surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 11 pm Thursday 11 Dec 2025 WETForecast update in hr min s Forecast update imminent
Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Reef sea temperature is
15.9° C
(Which is slightly cooler than normal)How big are the waves at Reef today?
The current surf forecast for Reef at 5AM is: 3.0m 13s primary swell from a West-northwest direction and 1.7m 18s secondary swell from a Northwest direction, 1.2m 6s secondary swell from a South-southwest direction (forecast issued at 11:00pm December 11). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 8ft (2.5m) | 16s |
| Afternoon (12 Dec) | 16ft (5.0m) | 17s |
| Evening (12 Dec) | 20ft (6.0m) | 19s |
Table - waves today at Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 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 | 14 | 13 | 13 | 16 | 16 | 17 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1891 | 2848 | 3242 | 2668 | 3855 | 10096 | 13514 | 22926 | 22664 | 20877 | 18793 | 16742 | 14207 | 11118 | 8427 | 6849 | 5603 | 4135 | 3544 | 3171 | 2254 | 1952 | 1847 | 1952 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross | cross- off | glass | cross- off | off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off |
High Tide / height (m) | 8:08PM 2.16 | 8:27AM 2.38 | 9:14PM 2.13 | 9:33AM 2.29 | 10:17PM 2.16 | 10:35AM 2.25 | ||||||||||||||||||
Low Tide / height (m) | 2:03AM 0.87 | 2:58PM 0.75 | 3:14AM 0.93 | 4:01PM 0.79 | 4:22AM 0.92 | 4:56PM 0.78 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:46 | - | - | - | - | - | - | - | 7:47 | - | - | - | - | - | - | - | 7:48 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - |
 | |  |  |  | |  | | | | | |  |  | |  | | | | | | | | | |
Rain (mm) | - | - | 2 | 10 | 6 | 6 | 5 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 16 | 14 | 13 | 13 | 12 | 11 | 11 | 14 | 15 | 14 |
| Feels °C (?) | 10 | 8 | 8 | 6 | 12 | 9 | 10 | 9 | 7 | 8 | 7 | 8 | 7 | 9 | 12 | 8 | 8 | 9 | 8 | 7 | 6 | 9 | 11 | 11 |
- 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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