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 pm Monday 15 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
12.2° C
(Which is 6.7°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 6PM is: 1.7m 8s primary swell from a North-northeast direction and 1.5m 8s secondary swell from a North-northeast direction, 0.4m 10s secondary swell from a Southeast direction (forecast issued at 12:00pm December 15). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 1.5ft (0.4m) | 10s |
| Afternoon (15 Dec) | 6ft (1.8m) | 8s |
| Evening (15 Dec) | 4.5ft (1.4m) | 8s |
Table - waves today at S-Turns. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 592 | 507 | 383 | 280 | 202 | 147 | 122 | 93 | 80 | 54 | 42 | 39 | 67 | 65 | 64 | 63 | 63 | 61 | 59 | 58 | 56 | 56 | 58 | 80 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross | cross- on |
High Tide / height (m) | 7:11AM 0.15 | 7:23PM 0.12 | 7:56AM 0.16 | 8:12PM 0.12 | 8:36AM 0.16 | 9:00PM 0.12 | ||||||||||||||||||
Low Tide / height (m) | 2:00PM 0.05 | 2:23AM 0.04 | 2:57PM 0.04 | 3:11AM 0.04 | 3:48PM 0.03 | 3:56AM 0.04 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:49 | - | - | - | - | - | - | - | 4:50 | - | - | - | - | - | - | - | 4:50 | - | - | - | - | - |
 | |  |  | | | | |  | | | | | | | | | | |  | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -3 | -2 | -1 | -1 | 0 | 2 | 3 | 3 | 3 | 5 | 7 | 9 | 9 | 9 | 9 | 10 | 10 | 12 | 14 | 15 | 14 | 12 | 12 | 11 |
| Feels °C (?) | -13 | -11 | -8 | -6 | -5 | -4 | -4 | -5 | -4 | -1 | 1 | 3 | 2 | 2 | 1 | 2 | 2 | 5 | 9 | 11 | 11 | 9 | 10 | 8 |
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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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