Russian Rivermouth surfForecast / CAL – Sonoma / USA

information circle48hr Weather and Surf, issued 10 am Wednesday 20 May 2026 PDT
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
10.2° C
(Which is 1.9°C colder than average for this time of year)

How big are the waves at Russian Rivermouth today?

The current surf forecast for Russian Rivermouth at 4PM is: 1.2m 12s primary swell from a West-northwest direction and 0.4m 16s secondary swell from a Southwest direction (forecast issued at 10:00am May 20). The wind direction is predicted to be onshore.

Time (PDT) & DateWave HeightWave Period
Morning (20 May)4.5ft (1.3m)13s
Afternoon (20 May)4ft (1.2m)12s
Evening (20 May)4.5ft (1.3m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 20°C on Wed morning, min 9°C on Thu night). Wind will be generally light.

Wednesday
20
Thursday
21
Friday
22
Sat
23
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)
3
3
1
1
2
3
3
3
3
3
1
1
1
2
2
2
2
2
1
1
2
2
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.3
WNW
13
1.3
WNW
13
1.2
WNW
12
1.2
WNW
12
1.2
WNW
12
1.4
WNW
12
1.4
WNW
11
1.3
WNW
11
1.2
WNW
11
1.1
WNW
11
1
WNW
11
0.9
WNW
11
1
WNW
11
1
WNW
11
1.1
WNW
10
1.1
WNW
10
1
WNW
10
1
WNW
10
1
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
Wave Graph
Metric surfscale
Energy kJ
551
534
387
374
399
541
504
401
319
265
249
202
218
214
241
232
190
190
190
173
140
137
137
137
Wind (km/h)
5
NNW
5
WSW
10
WSW
10
W
5
WNW
5
NNW
0
NNW
0
NNW
0
S
5
SW
10
WSW
10
W
5
WNW
5
W
5
SE
10
SE
10
SE
15
SSE
15
S
10
SSW
5
SSW
5
S
5
SSE
10
SE
glassy
glassy
on
on
cross-on
glassy
glassy
glassy
glassy
glassy
cross-on
on
on
glassy
cross-off
cross-off
cross-off
cross-off
cross
cross
glassy
glassy
cross-off
cross-off
High Tide
4:08PM1.82m
2:19AM2.27m
5:08PM1.86m
3:26AM2.07m
6:01PM1.93m
4:43AM1.88m
Low Tide
8:56AM-0.00m
8:32PM1.41m
9:53AM0.14m
9:56PM1.39m
10:49AM0.29m
11:26PM1.29m
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:21
8:22
8:22
8:22
Temp °C
16
20
20
19
15
14
13
12
15
20
20
19
14
12
10
9
12
18
17
16
12
9
9
10
15
19
18
17
14
13
12
11
14
19
18
17
13
11
8
7
10
16
15
15
11
8
7
8
Swell 1
Height (m)
Direction
Period (s)
1.3
WNW
13
1.3
WNW
13
1.2
WNW
12
1.2
WNW
12
1.2
WNW
12
1.4
WNW
12
1.4
WNW
11
1.3
WNW
11
1.2
WNW
11
1.1
WNW
11
1
WNW
11
0.9
WNW
11
1
WNW
11
1
WNW
11
1.1
WNW
10
1.1
WNW
10
1
WNW
10
1
WNW
10
1
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
Energy kJ
551
534
387
374
399
541
504
401
319
265
249
202
218
214
241
232
190
190
190
173
140
137
137
137
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
21
0.4
SW
21
0.3
SW
16
0.4
SW
16
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.6
SW
19
0.6
SW
19
0.4
SW
19
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.4
SW
18
0.4
SW
18
0.4
SW
15
0.4
SW
15
0.5
SW
15
0.4
SW
15
0.5
SW
15
Energy kJ
162
117
40
87
84
80
78
77
236
236
133
82
82
82
80
76
77
111
111
77
77
106
78
112
Swell 3
Height (m)
Direction
Period (s)
0.3
SW
16
0.3
SW
16
0.3
SSW
14
0.3
SSW
13
0.3
SSW
13
0.3
SSW
13
0.3
SSW
13
0.4
SW
19
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.3
SSW
13
0.3
SSW
12
0.3
S
12
0.3
S
12
0.3
SW
18
0.4
SW
18
0.4
SW
15
0.4
SW
15
0.4
SW
18
0.3
SW
18
0.3
S
12
0.3
SSW
12
0.3
SSW
12
Energy kJ
40
40
36
35
35
35
35
96
78
80
80
31
30
26
26
49
111
76
76
111
49
25
28
29
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
3
3
1
1
4
3
3
3
3
3
2
1
1
2
2
2
2
2
3
3
2
2
2
2
Distance (km)
0
0
50
50
18
0
0
0
0
0
50
50
50
0
0
0
0
0
27
27
0
0
0
0
Best forecast wave conditions in Sonoma County
Rating
(10 max)
4
3
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
5
4
3
4
4
4
4
4
4
3
4
4
4
4
4
3
4
3
3
3
3
3
3
3
Header Global
Rating
(10 max)
4
5
5
5
5
5
5
5
5
5
4
4
5
7
8
7
6
5
5
5
5
6
8
9
  • 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

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest