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Russian Rivermouth Surf Forecast
/ CAL – Sonoma (10 breaks) / California (404 breaks) /
Surf Forecasts:
Russian Rivermouth surfForecast / CAL – Sonoma / USA
16 Day Weather and Surf, issued 4 am Friday 08 May 2026 PDTForecast 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
13.1° C
(Which is 1.2°C warmer than normal for this time of year)Best Forecast Surf Conditions for Russian Rivermouth this week:
The surf forecast for Russian Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (May 11) at 5AM. The primary swell is predicted to be 1.3m and 9s period with a secondary swell of 0.6m and 16s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Russian Rivermouth in the next 16 days are 2.1m 8s and forecast to arrive on Sunday (May 10) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Wednesday (May 13) at 11AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Mon 11th May) | 4.5ft (1.3m) 9s |
| Best Surf | 5AM (Mon 11th May) | 4.5ft (1.3m) 9s |
| Most Powerful | 11PM (Sun 10th May) | 7ft (2.1m) 8s |
Table - best surf conditions forecast for Russian Rivermouth over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 22°C on Sun afternoon, min 11°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Mon afternoon, min 11°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Friday 8 | Saturday 9 | Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
WNW 11 | WNW 6 | NW 7 | W 11 | W 9 | WNW 7 | WNW 11 | WNW 8 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | W 11 | WNW 11 | WNW 11 | SSW 14 | W 12 | WNW 11 | W 11 | SW 16 | SW 16 | |
65 | 169 | 321 | 131 | 106 | 349 | 486 | 344 | 327 | 300 | 297 | 308 | 251 | 198 | 169 | 125 | 299 | 209 | 149 | 264 | 255 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | |
High Tide | 6:51PM1.70m | 3:49AM1.79m | 7:19PM1.76m | 5:07AM1.71m | 7:41PM1.85m | 6:30AM1.66m | 8:02PM1.97m | 7:48AM1.65m | 8:26PM2.10m | 8:59AM1.67m | 8:54PM2.25m | 10:04AM1.72m | 9:28PM2.40m | ||||||||
Low Tide | 10:54AM0.55m | 10:55PM1.55m | 11:42AM0.59m | 00:24AM1.45m | 12:25PM0.65m | 1:29AM1.27m | 1:06PM0.72m | 2:20AM1.03m | 1:47PM0.80m | 3:05AM0.75m | 2:27PM0.90m | 3:50AM0.47m | 3:09PM1.01m | 4:36AM0.21m | |||||||
 | |  | | | | | | | |  | | | |  | | | | | | | |
 | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — |
 | — | 8:09 | — | — | 8:10 | — | — | 8:12 | — | — | 8:13 | — | — | 8:14 | — | — | 8:15 | — | — | 8:15 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 20 | 15 | 19 | 21 | 16 | 19 | 22 | 17 | 20 | 21 | 17 | 18 | 17 | 13 | 16 | 17 | 13 | 14 | 16 | 13 |
13 | 16 | 11 | 17 | 18 | 13 | 17 | 19 | 15 | 20 | 20 | 17 | 15 | 15 | 13 | 14 | 15 | 12 | 13 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | WNW 11 | SW 13 | WNW 7 | W 11 | W 9 | W 8 | WNW 11 | SW 18 | WNW 10 | WNW 10 | WNW 11 | WNW 11 | W 11 | WNW 11 | WNW 11 | WNW 11 | W 12 | WNW 11 | W 11 | SW 16 | SW 16 |
 kJ | 65 | 42 | 86 | 110 | 106 | 153 | 486 | 154 | 327 | 300 | 297 | 308 | 251 | 198 | 150 | 123 | 299 | 209 | 149 | 264 | 255 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 17 | WNW 9 | WNW 14 | W 14 | WNW 12 | SW 18 | SW 14 | SW 15 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SSW 14 | SSW 13 | SSW 13 | SW 17 | W 10 | W 10 |
| kJ | 44 | 45 | 30 | 70 | 97 | 198 | 255 | 53 | 139 | 206 | 206 | 201 | 171 | 171 | 169 | 125 | 120 | 118 | 137 | 100 | 70 |
Swell 3 Height (m) Direction Period (s) | SW 18 | WNW 16 | SW 18 | SW 19 | SW 16 | SW 16 | — | SW 11 | SW 18 | S 12 | — | — | S 11 | S 11 | S 11 | W 14 | SW 18 | SW 18 | SSW 13 | SSW 4 | WSW 4 |
| kJ | 51 | 50 | 109 | 131 | 86 | 163 | — | 5 | 111 | 3 | — | — | 2 | 2 | 2 | 89 | 50 | 80 | 67 | 5 | 3 |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 6 | NW 7 | WNW 6 | WNW 6 | WNW 7 | NW 7 | WNW 8 | — | — | — | — | — | — | SSE 3 | SSE 2 | S 4 | S 4 | S 4 | — | — |
| kJ | 37 | 169 | 321 | 35 | 103 | 349 | 211 | 344 | — | — | — | — | — | — | 1 | 1 | 2 | 4 | 5 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 91 | 192 | 1 | 72 | 193 | 12 | 18 | 193 | 1 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 1 |
Best forecast wave conditions in Sonoma County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 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.
Information about the Russian Rivermouth Surf forecast
The above surf forecast table for Russian Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Russian Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Russian Rivermouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Russian Rivermouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Russian Rivermouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Russian Rivermouth is 30 km (19 miles) from the city of Windsor. If you plan a vacation in Sonoma County, look for hotels and other accommodation in Windsor. Windsor has rooms for a wide range of budgets as well as car hire and transport links.
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