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:
Nazare surfForecast / Beira / Portugal
48hr Weather and Surf, issued 11 am Tuesday 16 Dec 2025 WETForecast update in hr min s Forecast update imminent
Nazare surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nazare sea temperature is
16.0° C
(Which is normal for this time of year)How big are the waves at Nazare today?
The current surf forecast for Nazare at 1PM is: 5.5m 10s primary swell from a Northwest direction (forecast issued at 11:00am December 16). The wind direction is predicted to be cross-shore.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 15ft (4.5m) | 10s |
| Afternoon (16 Dec) | 18ft (5.5m) | 14s |
| Evening (16 Dec) | 15ft (4.5m) | 14s |
Table - waves today at Nazare. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 24 | 22 | 21 | 19 | 19 | 18 | 17 | 17 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3951 | 6492 | 11153 | 7192 | 7399 | 7427 | 6024 | 5019 | 4031 | 3297 | 2860 | 2402 | 1960 | 1614 | 1735 | 4109 | 16121 | 18001 | 16899 | 17165 | 14729 | 14396 | 13147 | 12762 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross | cross- off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- on | cross | cross |
High Tide / height (m) | 12:23PM 2.32 | 12:46AM 2.45 | 1:06PM 2.39 | 1:24AM 2.55 | 1:45PM 2.45 | 2:01AM 2.64 | ||||||||||||||||||
Low Tide / height (m) | 6:15AM 0.75 | 6:30PM 0.69 | 6:57AM 0.65 | 7:09PM 0.62 | 7:36AM 0.55 | 7:46PM 0.56 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | 7:50 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - |
 |  |  |  |  | | | |  | |  | | | | | |  | | |  | | | | | |
Rain (mm) | 3 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 5 | 4 | 2 | - |
| Temp. °C | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 10 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 13 | 14 | 13 | 13 | 13 | 13 | 13 |
| Feels °C (?) | 3 | 3 | 3 | 4 | 5 | 7 | 8 | 7 | 7 | 10 | 10 | 10 | 11 | 10 | 8 | 8 | 8 | 9 | 10 | 9 | 9 | 12 | 9 | 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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