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:
Silver Strand surfForecast / CAL – Ventura / USA
48hr Weather and Surf, issued 9 am Thursday 11 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Silver Strand surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Silver Strand sea temperature is
17.1° C
(Which is 2.2°C warmer than normal for this time of year)How big are the waves at Silver Strand today?
The current surf forecast for Silver Strand at 12PM is: 0.4m 15s primary swell from a West-northwest direction (forecast issued at 09:00am December 11). An open ocean swell of 0.2m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 1ft (0.3m) | 15s |
| Afternoon (11 Dec) | 1.5ft (0.5m) | 15s |
| Evening (11 Dec) | 1.5ft (0.5m) | 16s |
Table - waves today at Silver Strand. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 37 | 42 | 112 | 113 | 113 | 147 | 198 | 196 | 191 | 165 | 157 | 153 | 106 | 103 | 94 | 90 | 89 | 57 | 56 | 55 | 50 | 49 | 48 | 33 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | glass | cross- on | glass | glass | glass | glass | glass | cross- on | on | cross- on | cross- on | glass | glass | glass | glass | on | on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 2:31PM 1.19 | 4:24AM 1.41 | 4:03PM 1.05 | 5:02AM 1.50 | 5:30PM 0.99 | |||||||||||||||||||
Low Tide / height (m) | 9:20AM 0.77 | 9:22PM 0.23 | 10:48AM 0.61 | 10:10PM 0.38 | 11:54AM 0.41 | 10:53PM 0.51 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 4:46 | - | - | - | - | - | - | - | 4:46 | - | - | - | - | - | - | - | 4:47 | - | - | - | - |
 | | | |  | | | | | | | | | | | | |  | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 22 | 22 | 21 | 20 | 20 | 20 | 19 | 19 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 17 | 18 | 19 | 18 | 17 | 18 | 18 | 17 |
| Feels °C (?) | 18 | 20 | 19 | 19 | 18 | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 17 | 17 | 16 | 15 | 16 | 16 | 15 |
- 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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