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:
Rincon - Rivermouth surfForecast / CAL – Ventura / USA
48hr Weather and Surf, issued 9 am Sunday 14 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Rincon - Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rincon - Rivermouth sea temperature is
17.0° C
(Which is 2.4°C warmer than normal for this time of year)How big are the waves at Rincon - Rivermouth today?
The current surf forecast for Rincon - Rivermouth at 1PM is: 0.3m 15s primary swell from a Southwest direction and 0.3m 12s secondary swell from a West-northwest direction (forecast issued at 09:00am December 14). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 1.5ft (0.4m) | 12s |
| Afternoon (14 Dec) | 1ft (0.3m) | 12s |
| Evening (14 Dec) | 1ft (0.3m) | 12s |
Table - waves today at Rincon - 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) (?) | 12 | 15 | 15 | 12 | 12 | 12 | 14 | 13 | 13 | 13 | 10 | 10 | 10 | 6 | 6 | 16 | 6 | 8 | 8 | 7 | 7 | 12 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 47 | 33 | 33 | 28 | 28 | 26 | 29 | 28 | 28 | 28 | 18 | 17 | 16 | 25 | 25 | 25 | 17 | 63 | 45 | 49 | 73 | 121 | 229 | 581 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | glass | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | glass | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:46AM 1.61 | 6:56PM 0.98 | 6:15AM 1.67 | 7:57PM 1.01 | 6:44AM 1.72 | 8:47PM 1.03 | ||||||||||||||||||
Low Tide / height (m) | 12:53PM 0.19 | 11:40PM 0.59 | 1:34PM 0.03 | 12:17AM 0.68 | 2:10PM -0.09 | 12:52AM 0.75 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| Sunrise | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 4:47 | - | - | - | - | - | - | - | 4:49 | - | - | - | - | - | - | - | 4:49 | - | - | - | - |
 | | | |  | | | | | | | |  | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 21 | 21 | 20 | 19 | 19 | 19 | 18 | 18 | 23 | 25 | 23 | 20 | 21 | 20 | 19 | 19 | 24 | 25 | 24 | 21 | 20 | 20 | 20 |
| Feels °C (?) | 16 | 20 | 19 | 19 | 18 | 17 | 17 | 15 | 15 | 21 | 21 | 20 | 16 | 16 | 15 | 14 | 15 | 21 | 22 | 22 | 19 | 17 | 18 | 17 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rincon - Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest