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:
35th Street Iop surfForecast / Carolina South / USA
48hr Weather and Surf, issued 6 pm Saturday 13 Dec 2025 ESTForecast update in hr min s Forecast update imminent
35th Street Iop surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 35th Street Iop sea temperature is
12.8° C
(Which is 8.7°C colder than average for this time of year)How big are the waves at 35th Street Iop today?
The current surf forecast for 35th Street Iop at 1AM is: 0.4m 4s primary swell from a South-southwest direction and 0.1m 8s secondary swell from a Southeast direction, 0.1m 9s secondary swell from a Southeast direction (forecast issued at 06:00pm December 13). The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 1.5ft (0.5m) | 5s |
| Afternoon (14 Dec) | 1.5ft (0.4m) | 5s |
| Evening (14 Dec) | 0.5ft (0.1m) | 9s |
Table - waves today at 35th Street Iop. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 9 | 9 | 7 | 8 | 8 | 7 | 7 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3 | 2 | 3 | 4 | 6 | 11 | 12 | 13 | 5 | 9 | 3 | 9 | 18 | 18 | 17 | 147 | 18 | 17 | 16 | 15 | 15 | 25 | 16 | 16 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross- off | cross | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | glass | glass | cross | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 2:58PM 1.38 | 3:46AM 1.50 | 3:47PM 1.34 | 4:35AM 1.54 | 4:36PM 1.33 | 5:22AM 1.58 | ||||||||||||||||||
Low Tide / height (m) | 9:01PM 0.16 | 9:39AM 0.22 | 9:47PM 0.15 | 10:31AM 0.20 | 10:31PM 0.13 | 11:20AM 0.16 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - |
| Sunset | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:14 | - | - | - | - | - | - | - |
 |  | | | | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 17 | 16 | 15 | 14 | 16 | 7 | 5 | -1 | -5 | -6 | -5 | -3 | 0 | 1 | 2 | 3 | 3 | 4 | 4 | 4 | 8 |
| Feels °C (?) | 14 | 13 | 13 | 13 | 12 | 10 | 10 | 10 | -2 | -5 | -12 | -15 | -15 | -13 | -10 | -5 | -2 | -2 | -1 | -1 | -1 | -1 | -1 | 3 |
- 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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