Big River surfForecast / CAL – Mendocino County / USA

information circle48hr Weather and Surf, issued 3 am Thursday 29 Jan 2026 PST
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
12.9° C
(Which is 1.2°C warmer than normal for this time of year)


How big are the waves at Big River today?

The current surf forecast for Big River at 10AM is: 3.5m 15s primary swell from a West-northwest direction and 0.3m 17s secondary swell from a South-southwest direction (forecast issued at 03:00am January 29). The wind direction is predicted to be glassy and the swell rating is 5.

Time (PST) & DateWave HeightWave Period
Morning (29 Jan)11ft (3.5m)15s
Afternoon (29 Jan)11ft (3.5m)14s
Evening (29 Jan)11ft (3.5m)14s

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

Updates in  hr  min  s Forecast update imminent
Thursday
29
Friday
30
Saturday
31
1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM
Rating
(10 max)
4
5
5
5
5
4
5
4
4
4
4
4
4
3
4
4
4
4
4
3
3
3
3
3
Swell
Height Map
Wave Height (m) & direction (?)
1.7
WNW
3
W
3.5
WNW
3.5
WNW
3.5
WNW
3.5
WNW
3.5
WNW
3
W
3
W
2.5
W
2.5
W
2.3
W
2.2
W
2.3
W
2.5
W
2.5
W
2.5
W
2.3
W
2.1
W
1.3
WNW
1.6
WNW
1.6
WNW
1.9
WNW
3
W
Period(s) (?)161616151514141413131313121212121212111817161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)146445285432568554595241449937233004239521571778146215441850195217681420110410811398140017303760
Wind
(km/h)
5
E
5
NE
10
E
5
ESE
5
WNW
10
NW
5
N
5
NNW
5
E
5
E
5
E
10
E
5
SW
5
NW
10
ENE
10
E
5
ESE
10
E
15
ESE
5
SE
5
SW
10
S
10
SSE
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
glasscross-
off
glassglasscrossglassglasscross-
off
glasscross-
off
cross-
off
glasscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crossoncross-
on
cross-
on
cross
High Tide
/ height (m)
7:04AM
2.03
9:52PM
1.30
8:05AM
2.09
10:33PM
1.39
9:02AM
2.12
Low Tide
/ height (m)
12:34AM
0.97
2:45PM
-0.28
1:48AM
0.94
3:34PM
-0.36
2:53AM
0.87
4:20PM
-0.40
Thursday
29
Friday
30
Saturday
31
Sunrise---7:24-------7:24-------7:22----
Sunset-----5:30-------5:32-------5:34--
part cloud
part cloud
part cloud
clear
cloud
part cloud
clear
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C131212131413121213131314181414141414141414131413
Feels °C (?)111110111211101011111011161111111111101111111210
  • 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 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