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:
Ventura Overhead surfForecast / CAL – Ventura / USA
48hr Weather and Surf, issued 3 pm Saturday 13 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Ventura Overhead surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ventura Overhead sea temperature is
17.2° C
(Which is 2.4°C warmer than normal for this time of year)How big are the waves at Ventura Overhead today?
The current surf forecast for Ventura Overhead at 10PM is: 0.4m 12s primary swell from a West-northwest direction (forecast issued at 03:00pm December 13). An open ocean swell of 0.2m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 1.5ft (0.4m) | 13s |
| Evening (13 Dec) | 1.5ft (0.4m) | 12s |
Table - waves today at Ventura Overhead. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 10 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 12 | 12 | 12 | 15 | 15 | 15 | 12 | 12 | 12 | 12 | 11 | 13 | 13 | 13 | 10 | 10 | 10 | 6 | 6 | 6 | 9 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 56 | 55 | 50 | 49 | 28 | 33 | 33 | 33 | 28 | 28 | 14 | 11 | 10 | 28 | 28 | 28 | 18 | 17 | 17 | 15 | 24 | 18 | 14 | 12 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | glass | cross | glass | glass | glass | cross- on | cross- on | cross- off | off | cross- off | glass | glass | glass |
High Tide / height (m) | 5:29PM 0.99 | 5:34AM 1.58 | 6:41PM 0.98 | 6:03AM 1.65 | 7:39PM 0.99 | 6:32AM 1.70 | ||||||||||||||||||
Low Tide / height (m) | 11:57AM 0.41 | 10:56PM 0.51 | 12:46PM 0.23 | 11:34PM 0.62 | 1:26PM 0.08 | 12:09AM 0.70 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:56 | - |
| Sunset | - | 4:47 | - | - | - | - | - | - | - | 4:47 | - | - | - | - | - | - | - | 4:47 | - | - | - | - | - | - |
 |  |  | | |  |  | | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 18 | 19 | 19 | 18 | 18 | 19 | 19 | 19 | 21 | 22 | 23 | 22 | 23 | 22 | 21 | 20 | 22 |
| Feels °C (?) | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 17 | 17 | 18 | 17 | 17 | 17 | 17 | 17 | 19 | 18 | 20 | 19 | 19 | 18 | 18 | 17 | 19 |
- 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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