Russian Rivermouth surfForecast / CAL – Sonoma / USA

information circle48hr Weather and Surf, issued 3 am Thursday 01 Jan 2026 PST
Forecast 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 8AM is: 1.0m 12s primary swell from a West direction and 1.1m 8s secondary swell from a South direction (forecast issued at 03:00am January 01). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (PST) & DateWave HeightWave Period
Morning (01 Jan)3.5ft (1.0m)12s
Afternoon (01 Jan)3.5ft (1.0m)11s
Evening (01 Jan)4.5ft (1.4m)8s

Table - waves today at Russian Rivermouth. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Thursday
01
Friday
02
Saturday
03
1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM
Rating
(10 max)
2
2
2
2
3
1
2
2
1
2
1
2
1
1
1
!
!
!
!
3
!
!
!
!
Swell
Height Map
Wave Height (m) & direction (?)
1.1
W
1.1
W
1
W
1
W
1
W
1
W
1.4
S
0.9
W
0.9
WNW
0.9
WNW
1.5
S
1.7
S
1.5
S
2.1
S
2.1
S
3
S
4
SSW
3
SSW
3
SSW
2.5
SSW
3
SSW
3.5
SW
3.5
SW
3
SW
Period(s) (?)11121212121181111116778891010999111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)311322276276271248260194198194182266230491587158727671966139112101301285924202317
Wind
(km/h)
15
ENE
15
ENE
15
ENE
15
E
15
ESE
15
SE
20
SE
10
SSE
20
SSE
20
SE
15
ESE
20
SE
25
SE
30
SE
35
SE
35
SE
35
S
25
S
20
SSE
25
SSE
25
S
25
S
25
SSE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
cross-
off
crosscrosscross-
off
cross-
off
High Tide
/ height (m)
8:00AM
2.57
10:35PM
1.72
8:53AM
2.63
11:24PM
1.78
9:45AM
2.64
Low Tide
/ height (m)
1:38AM
1.32
3:38PM
-0.08
2:40AM
1.33
4:28PM
-0.17
3:38AM
1.31
5:15PM
-0.18
Thursday
01
Friday
02
Saturday
03
Sunrise---7:28-------7:28-------7:30----
Sunset-----5:01-------5:02-------5:02--
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
cloud
part cloud
cloud
light rain
light rain
mod rain
rain showers
rain showers
rain showers
thunderstorm
thunderstorm
rain showers
light rain
light rain
Rain (mm)
4471313511---11782111211
Temp. °C101010111113131313131314141414141413131414141313
Feels °C (?)77789111012101010111098889101010999
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

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.


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