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:
Capitola Rivermouth surfForecast / CAL – Santa Cruz / USA
48hr Weather and Surf, issued 9 am Sunday 14 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Capitola Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Capitola Rivermouth sea temperature is
13.9° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Capitola Rivermouth today?
The current surf forecast for Capitola Rivermouth at 1PM is: 0.6m 11s primary swell from a West direction and 0.3m 15s secondary swell from a Southwest direction (forecast issued at 09:00am December 14). The wind direction is predicted to be cross-onshore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 1.5ft (0.4m) | 15s |
| Afternoon (14 Dec) | 1ft (0.3m) | 15s |
| Evening (14 Dec) | 1.5ft (0.5m) | 11s |
Table - waves today at Capitola Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| 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) (?) | 15 | 12 | 11 | 15 | 15 | 11 | 10 | 10 | 14 | 10 | 13 | 9 | 9 | 9 | 16 | 16 | 16 | 13 | 13 | 13 | 15 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 56 | 101 | 94 | 33 | 35 | 55 | 77 | 73 | 66 | 65 | 46 | 40 | 39 | 36 | 66 | 66 | 66 | 27 | 27 | 27 | 54 | 855 | 841 | 827 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | cross- on | cross- on | glass | off | off | cross- off | off | off | cross | cross- off | off | cross- off | cross- off | off | glass | glass | cross- on | glass | glass | glass | glass | glass |
High Tide / height (m) | 6:14AM 2.01 | 7:39PM 1.39 | 6:44AM 2.05 | 8:41PM 1.43 | 7:15AM 2.09 | 9:32PM 1.48 | ||||||||||||||||||
Low Tide / height (m) | 1:28PM 0.61 | 12:10AM 1.07 | 2:08PM 0.47 | 12:52AM 1.17 | 2:45PM 0.36 | 1:32AM 1.23 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| Sunrise | - | 7:11 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:51 | - | - | - | - | - | - | - | 4:52 | - | - | - | - | - | - | - | 4:52 | - | - | - | - |
 |  | | | | |  | | | |  | | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 14 | 17 | 16 | 13 | 13 | 13 | 14 | 14 | 17 | 20 | 20 | 16 | 16 | 15 | 15 | 15 | 17 | 20 | 20 | 16 | 15 | 15 | 15 |
| Feels °C (?) | 9 | 13 | 15 | 15 | 13 | 11 | 11 | 12 | 11 | 15 | 17 | 17 | 13 | 14 | 13 | 14 | 15 | 17 | 20 | 21 | 17 | 16 | 16 | 16 |
- 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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