Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Russian Rivermouth surfForecast / CAL – Sonoma / USA
48hr Weather and Surf, issued 9 am Sunday 21 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
13.0° C
(Which is slightly warmer than usual)How big are the waves at Russian Rivermouth today?
The current surf forecast for Russian Rivermouth at 2PM is: 1.7m 8s primary swell from a West-southwest direction and 0.5m 11s secondary swell from a Northwest direction, 1.5m 6s secondary swell from a South-southwest direction (forecast issued at 09:00am December 21). The wind direction is predicted to be cross-shore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Dec) | 6ft (1.9m) | 7s |
| Afternoon (21 Dec) | 8ft (2.5m) | 8s |
| Evening (21 Dec) | 8ft (2.4m) | 8s |
Table - waves today at Russian Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
| 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) (?) | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 13 | 12 | 12 | 12 | 8 | 9 | 10 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 149 | 394 | 383 | 857 | 824 | 734 | 465 | 344 | 297 | 274 | 254 | 207 | 192 | 153 | 128 | 119 | 257 | 344 | 419 | 485 | 756 | 1520 | 1035 | 624 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | glass | cross- on | cross- on | glass | glass | cross | cross- on | glass | glass | cross- off | cross- off | cross- off | cross- off | on | cross- on |
High Tide / height (m) | 10:37AM 2.28 | 1:25AM 1.70 | 11:13AM 2.23 | 2:03AM 1.72 | 11:51AM 2.14 | 2:39AM 1.76 | ||||||||||||||||||
Low Tide / height (m) | 4:40AM 1.43 | 6:15PM 0.19 | 5:21AM 1.44 | 6:50PM 0.23 | 6:07AM 1.45 | 7:25PM 0.30 | ||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
| Sunrise | - | 7:24 | - | - | - | - | - | - | - | 7:26 | - | - | - | - | - | - | - | 7:26 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:54 | - | - | - | - | - | - | - | 4:54 | - | - | - | - | - | - | - | 4:55 | - | - | - | - |
 |  |  | | |  | |  | |  | | | | | | | | | | | |  | | | |
Rain (mm) | 1 | 5 | 8 | 8 | 5 | 7 | 1 | - | - | - | - | - | 1 | 2 | 2 | 4 | 6 | 5 | 3 | 2 | 5 | 13 | 5 | - |
| Temp. °C | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 13 | 14 | 13 | 12 | 11 | 10 | 10 | 10 | 11 | 13 | 14 | 13 | 14 | 12 | 10 |
| Feels °C (?) | 12 | 11 | 9 | 10 | 10 | 12 | 12 | 12 | 11 | 12 | 13 | 12 | 12 | 10 | 8 | 9 | 9 | 10 | 9 | 8 | 6 | 5 | 10 | 7 |
- 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Russian 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.
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