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Surf Forecasts:
Russian Rivermouth surfForecast / CAL – Sonoma / USA
48hr Weather and Surf, issued 3 pm Tuesday 09 Dec 2025 PSTForecast update in hr min s Forecast update imminent
Russian Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Russian Rivermouth sea temperature is
13.2° C
(Which is slightly warmer than usual)How big are the waves at Russian Rivermouth today?
The current surf forecast for Russian Rivermouth at 10PM is: 1.3m 12s primary swell from a West-northwest direction and 0.2m 12s secondary swell from a South-southwest direction (forecast issued at 03:00pm December 09). The wind direction is predicted to be cross-shore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | - | - |
| Afternoon (09 Dec) | 3.5ft (1.1m) | 12s |
| Evening (09 Dec) | 4ft (1.2m) | 12s |
Table - waves today at Russian Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 350 | 350 | 371 | 485 | 269 | 399 | 368 | 649 | 586 | 569 | 673 | 899 | 1031 | 988 | 1106 | 1216 | 1474 | 1298 | 1265 | 1184 | 1137 | 980 | 966 | 792 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | cross | cross | glass | glass | glass | glass | cross- on | cross- on | glass | glass | cross | glass | glass | glass | cross- on | cross- on | glass | glass | glass | cross- off | cross- off | glass |
High Tide / height (m) | 1:29PM 2.10 | 4:00AM 1.93 | 2:35PM 1.87 | 4:47AM 1.99 | 3:53PM 1.66 | 5:28AM 2.04 | ||||||||||||||||||
Low Tide / height (m) | 8:49PM 0.27 | 9:22AM 1.31 | 9:37PM 0.47 | 10:48AM 1.19 | 10:24PM 0.68 | |||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:18 | - | - | - | - | - | - | - | 7:18 | - | - | - | - | - | - | - | 7:20 |
| Sunset | - | 4:51 | - | - | - | - | - | - | - | 4:51 | - | - | - | - | - | - | - | 4:51 | - | - | - | - | - | - |
 | |  | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 15 | 19 | 17 | 15 | 14 | 13 | 13 | 12 | 16 | 19 | 17 | 14 | 14 | 13 | 13 | 12 | 16 |
| Feels °C (?) | 13 | 14 | 12 | 11 | 10 | 11 | 11 | 14 | 18 | 16 | 14 | 13 | 11 | 12 | 10 | 15 | 17 | 16 | 13 | 13 | 11 | 11 | 9 | 14 |
- 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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