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:
4 Mile surfForecast / CAL – Santa Cruz / USA
48hr Weather and Surf, issued 9 pm Wednesday 10 Dec 2025 PSTForecast update in hr min s Forecast update imminent
4 Mile surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 4 Mile sea temperature is
13.7° C
(Which is slightly warmer than usual)How big are the waves at 4 Mile today?
The current surf forecast for 4 Mile at 4AM is: 1.5m 14s primary swell from a West-northwest direction and 0.3m 15s secondary swell from a South direction (forecast issued at 09:00pm December 10). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 5ft (1.6m) | 14s |
| Afternoon (11 Dec) | 5.5ft (1.7m) | 15s |
| Evening (11 Dec) | 5.5ft (1.7m) | 15s |
Table - waves today at 4 Mile. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 4 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 615 | 615 | 767 | 899 | 988 | 988 | 1191 | 1307 | 1324 | 1273 | 1207 | 1045 | 1016 | 850 | 815 | 651 | 547 | 538 | 447 | 440 | 323 | 254 | 250 | 199 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | glass | cross | glass | off | off | glass | off | off | glass | glass | cross | glass | cross- off | cross- off | cross- off | cross- off | cross- off | glass | glass |
High Tide / height (m) | 4:25AM 1.85 | 3:30PM 1.57 | 5:06AM 1.92 | 4:57PM 1.43 | 5:42AM 1.97 | |||||||||||||||||||
Low Tide / height (m) | 9:15PM 0.44 | 10:23AM 1.11 | 10:02PM 0.62 | 11:40AM 0.95 | 10:46PM 0.79 | 12:41PM 0.78 | ||||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - |
| Sunset | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 |
 | | | | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 16 | 15 | 15 | 18 | 21 | 20 | 19 | 18 | 17 | 17 | 16 | 19 | 20 | 20 | 18 | 17 | 17 | 16 | 16 | 17 | 18 | 16 |
| Feels °C (?) | 14 | 14 | 13 | 12 | 12 | 16 | 19 | 18 | 16 | 16 | 15 | 13 | 13 | 16 | 17 | 17 | 16 | 14 | 14 | 13 | 13 | 14 | 15 | 14 |
- 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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