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Russian Rivermouth Surf Forecast
/ CAL – Sonoma (10 breaks) / California (404 breaks) /
Surf Forecasts:
Russian Rivermouth surfForecast / CAL – Sonoma / USA
48hr Weather and Surf, issued 10 am Tuesday 16 Sep 2025 PDT
How big are the waves at Russian Rivermouth today?
The current surf forecast for Russian Rivermouth at 1PM is: 0.6m 18s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a South-southwest direction (forecast issued at 10:00am September 16). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 2ft (0.6m) | 18s |
| Afternoon (16 Sep) | 2ft (0.6m) | 18s |
| Evening (16 Sep) | 2ft (0.6m) | 18s |
Table - waves today at Russian Rivermouth. (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 10 | 10 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 223 | 211 | 211 | 209 | 209 | 202 | 222 | 214 | 211 | 173 | 240 | 290 | 270 | 185 | 194 | 274 | 416 | 442 | 396 | 326 | 279 | 279 | 232 | 223 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | cross- on | on | cross- on | glass | glass | glass | glass | on | on | on | cross- on | glass | glass | glass | glass | glass | on | cross- on | glass | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:58AM 1.71 | 7:12PM 2.13 | 9:39AM 1.79 | 8:17PM 2.14 | 10:12AM 1.87 | 9:14PM 2.14 | ||||||||||||||||||
Low Tide / height (m) | 1:20PM 1.39 | 2:41AM 0.31 | 2:30PM 1.28 | 3:27AM 0.31 | 3:25PM 1.14 | 4:07AM 0.36 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | 6:54 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:19 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:15 | - | - | - | - |
 |  | | |  | | | | | | | |  |  | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 24 | 24 | 24 | 20 | 19 | 18 | 18 | 19 | 25 | 25 | 25 | 20 | 18 | 18 | 16 | 16 | 20 | 21 | 19 | 13 | 13 | 14 | 14 |
| Feels °C (?) | 19 | 24 | 23 | 23 | 19 | 18 | 17 | 17 | 18 | 24 | 23 | 23 | 19 | 17 | 17 | 16 | 16 | 20 | 20 | 18 | 13 | 13 | 14 | 13 |
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for CAL - Sonoma
Continuing clean conditions at Russian Rivermouth (calm at Cazadero 9 km from Russian Rivermouth). 1.0m 9s swell from the WNW with a 0.4m 13s groundswell from the SSW and a 0.3m 18s long period groundswell, also from the SSW. 3 swells combining to make bigger set waves.
Actual: 38 min ago
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