Big River surfForecast / CAL – Mendocino County / USA

information circle48hr Weather and Surf, issued 10 am Friday 22 May 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Big River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big River sea temperature is
9.8° C
(Which is 2.4°C colder than average for this time of year)

How big are the waves at Big River today?

The current surf forecast for Big River at 2PM is: 2.2m 10s primary swell from a Northwest direction and 0.6m 18s secondary swell from a South-southwest direction (forecast issued at 10:00am May 22). The wind direction is predicted to be onshore.

Time (PDT) & DateWave HeightWave Period
Morning (22 May)7ft (2.1m)10s
Afternoon (22 May)7ft (2.2m)10s
Evening (22 May)7ft (2.2m)9s

Table - waves today at Big River. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 12°C on Fri morning, min 9°C on Fri night). Wind will be generally light.

Friday
22
Saturday
23
Sunday
24
Mon
25
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)
2
1
1
2
3
3
3
3
2
0
0
1
1
2
2
2
1
0
0
1
2
2
3
3
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)
2.1
NW
10
2.2
NW
10
2.2
NW
10
2.2
NW
10
2.2
NW
9
2.2
NW
9
2.1
NW
9
2
NW
9
1.6
NW
8
1.5
NW
8
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
NW
16
0.9
NW
16
0.9
NW
16
1.1
NW
15
1.2
WNW
15
1.4
WNW
14
1.3
WNW
14
1.2
NW
13
Wave Graph
Metric surfscale
Energy kJ
813
887
887
851
798
781
731
636
358
299
255
258
258
258
258
258
268
376
358
496
568
774
617
517
Wind (km/h)
10
SSW
10
SW
10
SW
10
W
5
WNW
5
S
5
S
5
SSE
5
S
15
SW
15
SW
10
SW
5
S
5
SSE
5
SSE
5
SE
10
SSE
20
SW
20
SW
15
SSW
10
S
10
SE
10
ESE
10
SE
on
on
on
cross-on
glassy
glassy
glassy
glassy
cross-on
on
on
on
cross-on
glassy
glassy
glassy
cross-on
on
on
on
cross-on
cross
cross-off
cross-off
High Tide
6:06PM1.40m
4:52AM1.41m
6:55PM1.49m
6:15AM1.25m
7:38PM1.57m
Low Tide
10:52AM-0.21m
11:21PM0.73m
11:48AM-0.05m
00:45AM0.59m
12:40PM0.12m
1:57AM0.41m
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:27
8:28
8:29
8:30
Temp °C
11
12
12
12
11
10
10
9
10
11
12
11
10
10
10
9
11
11
12
11
10
10
9
9
9
9
10
10
10
9
9
8
9
8
9
9
9
9
9
8
9
7
8
8
8
8
7
7
Swell 1
Height (m)
Direction
Period (s)
2.1
NW
10
2.2
NW
10
2.2
NW
10
2.2
NW
10
2.2
NW
9
2.2
NW
9
2.1
NW
9
2
NW
9
1.6
NW
8
1.5
NW
8
1.3
NW
8
1.3
NW
8
1
NNW
8
1.1
NW
8
1.1
NW
8
0.9
WNW
10
0.9
NNW
8
1.1
NW
8
0.9
NNW
8
1.1
NW
15
1.2
WNW
15
1.4
WNW
14
1.3
WNW
14
1.2
NW
13
Energy kJ
813
887
887
851
798
781
731
636
358
299
233
244
147
176
149
148
114
145
114
496
568
774
617
517
Swell 2
Height (m)
Direction
Period (s)
0.5
SW
18
0.6
SSW
18
0.6
SSW
18
0.5
SW
18
0.5
SW
15
0.5
SW
14
0.5
SW
15
0.6
SSW
15
0.9
NW
10
0.8
WNW
10
0.9
WNW
10
0.8
WNW
10
1
WNW
10
0.8
WNW
10
0.8
WNW
10
0.9
NNW
8
0.8
WNW
9
0.9
NW
16
0.9
NW
16
0.9
NW
8
0.9
NW
8
0.7
NW
8
0.7
SW
15
0.7
SW
15
Energy kJ
154
209
209
154
104
103
109
150
148
127
168
125
186
125
122
105
98
376
358
95
93
60
217
217
Swell 3
Height (m)
Direction
Period (s)
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.5
SW
18
0.4
SW
17
0.4
S
12
0.4
S
12
0.6
SSW
16
0.6
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
NW
16
0.7
NW
9
0.7
NW
9
0.7
SW
16
0.7
WNW
9
0.6
SSW
14
0.6
NW
7
0.6
NW
7
Energy kJ
109
109
109
109
152
76
48
49
162
201
255
258
258
258
258
258
268
88
90
251
78
140
44
44
Wind waves
Height (m)
Direction
Period (s)
0.4
SE
3
0.4
SSE
3
0.4
SSE
12
0.6
S
4
0.5
S
4
Energy kJ
2
4
47
10
8
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
3
2
3
2
2
3
2
2
2
2
2
3
3
4
2
3
3
Distance (km)
36
57
57
82
0
0
0
0
7
85
57
57
13
0
0
0
7
85
57
36
19
7
0
0
Best forecast wave conditions in Mendocino County
Rating
(10 max)
3
3
3
3
3
3
2
3
3
3
2
3
3
4
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
3
4
3
3
3
3
3
3
3
3
3
3
4
4
3
3
4
3
3
3
Header Global
Rating
(10 max)
6
7
6
5
5
6
7
8
7
6
5
5
5
5
5
5
5
5
5
5
4
5
5
5
  • 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 Big River 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