Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
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Surf Forecasts:
Rincon - Rivermouth surfForecast / CAL – Ventura / USA
48hr Weather and Surf, issued 3 pm Monday 15 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
16.9° C
(Which is 2.3°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 7PM is: 0.3m 10s primary swell from a West direction and 0.5m 5s secondary swell from a West direction (forecast issued at 03:00pm December 15). The wind direction is predicted to be cross-offshore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | - | - |
| Afternoon (15 Dec) | 1ft (0.3m) | 10s |
| Evening (15 Dec) | 2ft (0.6m) | 6s |
Table - waves today at Rincon - Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 7 AM | 10 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 6 | 16 | 16 | 8 | 8 | 8 | 8 | 7 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 18 | 17 | 16 | 25 | 25 | 25 | 51 | 33 | 32 | 45 | 61 | 90 | 181 | 590 | 628 | 598 | 672 | 574 | 589 | 574 | 555 | 480 | 404 | 396 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:57PM 1.01 | 6:44AM 1.72 | 8:47PM 1.03 | 7:13AM 1.76 | 9:29PM 1.05 | 7:43AM 1.79 | ||||||||||||||||||
Low Tide / height (m) | 1:34PM 0.03 | 12:17AM 0.68 | 2:10PM -0.09 | 12:52AM 0.75 | 2:43PM -0.17 | 1:25AM 0.79 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:58 | - |
| Sunset | - | 4:49 | - | - | - | - | - | - | - | 4:49 | - | - | - | - | - | - | - | 4:49 | - | - | - | - | - | - |
 | |  |  | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 22 | 23 | 22 | 19 | 20 | 21 | 19 | 19 | 24 | 25 | 24 | 20 | 20 | 20 | 19 | 19 | 23 | 26 | 24 | 22 | 19 | 18 | 18 |
| Feels °C (?) | 15 | 21 | 21 | 19 | 16 | 16 | 16 | 15 | 15 | 22 | 22 | 21 | 17 | 17 | 18 | 17 | 17 | 21 | 24 | 22 | 19 | 16 | 15 | 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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