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 Saturday 13 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
15.8° C
(Which is normal for this time of year)How big are the waves at Nazare today?
The current surf forecast for Nazare at 6PM is: 3.5m 16s primary swell from a Northwest direction (forecast issued at 11:00am December 13). The wind direction is predicted to be cross-offshore and the swell rating is 6.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 15ft (4.5m) | 17s |
| Afternoon (13 Dec) | 11ft (3.5m) | 16s |
| Evening (13 Dec) | 11ft (3.5m) | 15s |
Table - waves today at Nazare. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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) (?) | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 11152 | 8439 | 6863 | 5922 | 4681 | 3609 | 3234 | 2679 | 1972 | 1846 | 1874 | 2036 | 2276 | 2334 | 2334 | 2098 | 1995 | 1783 | 1725 | 1915 | 2240 | 2366 | 4723 | 2894 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross | cross |
High Tide / height (m) | 9:38AM 2.29 | 10:21PM 2.16 | 10:40AM 2.25 | 11:17PM 2.24 | 11:35AM 2.27 | 12:04AM 2.34 | ||||||||||||||||||
Low Tide / height (m) | 4:04PM 0.79 | 4:26AM 0.91 | 5:00PM 0.78 | 5:26AM 0.85 | 5:48PM 0.74 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | 7:47 | - | - | - | - | - | - | - | 7:48 | - | - | - | - | - | - | - | 7:48 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:12 | - | - | - | - | - | - | - | 5:12 | - | - | - | - | - | - | - | 5:12 | - | - | - | - | - |
 | | |  | | | | | | | | |  |  | | |  | |  |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 3 | 2 | 2 | 2 |
| Temp. °C | 14 | 15 | 17 | 15 | 15 | 15 | 13 | 11 | 12 | 16 | 17 | 14 | 13 | 12 | 12 | 11 | 11 | 13 | 12 | 13 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 10 | 12 | 14 | 12 | 13 | 12 | 10 | 8 | 9 | 12 | 15 | 12 | 11 | 9 | 9 | 9 | 8 | 10 | 8 | 7 | 8 | 9 | 7 | 3 |
- 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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