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 3 am Tuesday 16 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
17.0° C
(Which is 2.3°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 5AM is: 0.2m 16s primary swell from a South-southwest direction and 0.4m 6s secondary swell from a West-northwest direction, 0.3m 9s secondary swell from a West direction (forecast issued at 03:00am December 16). The wind direction is predicted to be glassy.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 1.5ft (0.5m) | 8s |
| Afternoon (16 Dec) | 1.5ft (0.5m) | 8s |
| Evening (16 Dec) | 2ft (0.6m) | 7s |
Table - waves today at Silver Strand. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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 | 10 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 9 | 8 | 8 | 8 | 8 | 7 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 25 | 25 | 39 | 33 | 32 | 30 | 29 | 47 | 125 | 168 | 380 | 362 | 416 | 409 | 416 | 409 | 403 | 333 | 333 | 333 | 276 | 262 | 195 | 87 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | glass | on | on | glass | glass | glass | glass | glass | glass | on | cross- on | cross | cross- on | cross- off | cross- off | cross | glass | glass | cross- on | glass | glass |
High Tide / height (m) | 6:33AM 1.70 | 8:26PM 1.01 | 7:01AM 1.75 | 9:04PM 1.03 | 7:31AM 1.78 | 9:39PM 1.05 | ||||||||||||||||||
Low Tide / height (m) | 12:06AM 0.70 | 1:58PM -0.03 | 12:39AM 0.75 | 2:31PM -0.12 | 1:11AM 0.77 | 3:03PM -0.17 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 4:49 | - | - | - | - | - | - | - | 4:49 | - | - | - | - | - | - | - | 4:49 | - | - |
 | |  | | | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 18 | 19 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 19 | 20 | 22 | 23 | 21 | 19 | 19 | 19 | 21 | 24 | 24 | 22 | 22 |
| Feels °C (?) | 17 | 16 | 15 | 17 | 18 | 17 | 17 | 18 | 18 | 16 | 17 | 18 | 18 | 21 | 21 | 18 | 16 | 16 | 16 | 18 | 22 | 21 | 20 | 20 |
- 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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