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 Friday 12 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
16.0° C
(Which is slightly cooler than normal)How big are the waves at Reef today?
The current surf forecast for Reef at 4AM is: 5.5m 18s primary swell from a Northwest direction (forecast issued at 11:00pm December 12). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 16ft (5.0m) | 17s |
| Afternoon (13 Dec) | 13ft (4.0m) | 16s |
| Evening (13 Dec) | 11ft (3.5m) | 15s |
Table - waves today at Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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) (?) | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 22196 | 20434 | 18252 | 16742 | 13756 | 11118 | 8427 | 6849 | 5603 | 4135 | 3544 | 3171 | 2254 | 1952 | 1952 | 2108 | 2414 | 2647 | 2430 | 2299 | 2211 | 2098 | 1848 | 1619 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | off | cross- off | cross- off | off | off | cross- off | cross- off | cross | cross- on | cross |
High Tide / height (m) | 9:14PM 2.13 | 9:33AM 2.29 | 10:17PM 2.16 | 10:35AM 2.25 | 11:13PM 2.24 | 11:31AM 2.27 | ||||||||||||||||||
Low Tide / height (m) | 3:14AM 0.93 | 4:01PM 0.79 | 4:22AM 0.92 | 4:56PM 0.78 | 5:21AM 0.86 | 5:44PM 0.75 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:47 | - | - | - | - | - | - | - | 7:48 | - | - | - | - | - | - | - | 7:48 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - |
 | |  |  |  |  | |  | | | | | |  | | | | | | | | |  |  | |
Rain (mm) | 2 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 |
| Temp. °C | 12 | 12 | 13 | 13 | 13 | 14 | 16 | 15 | 14 | 13 | 12 | 11 | 11 | 14 | 15 | 14 | 13 | 12 | 12 | 12 | 12 | 14 | 13 | 14 |
| Feels °C (?) | 8 | 7 | 9 | 8 | 7 | 9 | 11 | 10 | 10 | 9 | 7 | 7 | 6 | 9 | 11 | 11 | 10 | 9 | 10 | 10 | 9 | 11 | 8 | 8 |
- 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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