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:
S-Turns surfForecast / Carolina North / USA
48hr Weather and Surf, issued 12 am Friday 12 Dec 2025 ESTForecast update in hr min s Forecast update imminent
S-Turns surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's S-Turns sea temperature is
10.4° C
(Which is 8.7°C colder than average for this time of year)How big are the waves at S-Turns today?
The current surf forecast for S-Turns at 4AM is: 0.3m 7s primary swell from a South-southwest direction and 0.1m 8s secondary swell from a Southeast direction (forecast issued at 12:00am December 12). An open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 0.5ft (0.2m) | 6s |
| Afternoon (12 Dec) | 2ft (0.6m) | 6s |
| Evening (12 Dec) | 0.5ft (0.2m) | 7s |
Table - waves today at S-Turns. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 77 | 9 | 9 | 44 | 4 | 4 | 26 | 24 | 18 | 9 | 11 | 10 | 9 | 9 | 9 | 9 | 45 | 55 | 73 | 100 | 118 | 79 | 37 | 22 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | on | cross- on | cross- on | cross- off | cross- off | off | off | off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:16AM 0.14 | 4:37PM 0.14 | 5:21AM 0.14 | 5:38PM 0.14 | 6:20AM 0.15 | 6:32PM 0.13 | ||||||||||||||||||
Low Tide / height (m) | 10:36PM 0.06 | 10:48AM 0.05 | 11:39PM 0.06 | 11:51AM 0.05 | 12:39AM 0.05 | 12:56PM 0.05 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:49 | - | - | - | - | - | - | - | 4:49 | - | - | - | - | - | - | - | 4:49 | - |
 |  | |  |  |  | | | | | | | |  | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - |
| Temp. °C | 7 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 8 | 10 | 13 | 15 | 15 | 14 | 13 | 13 | 14 | 12 | 6 | 4 | 2 | 1 |
| Feels °C (?) | 0 | -3 | -2 | -1 | -1 | 0 | 0 | 1 | 3 | 3 | 4 | 6 | 9 | 10 | 11 | 10 | 10 | 10 | 11 | 7 | -4 | -7 | -10 | -12 |
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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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