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Surf Forecasts:

Big River surfForecast / CAL – Mendocino County / USA

information circle48hr Weather and Surf, issued 10 am Thursday 19 Mar 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
10.8° C
 (Which is slightly cooler than normal)

How big are the waves at Big River today?

The current surf forecast for Big River at 6PM is: 1.2m 10s primary swell from a West direction and 1.0m 12s secondary swell from a Northwest direction, 0.7m 4s secondary swell from a Northwest direction (forecast issued at 10:00am March 19). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (PDT) & DateWave HeightWave Period
Morning (19 Mar)3.5ft (1.1m)10s
Afternoon (19 Mar)3.5ft (1.1m)10s
Evening (19 Mar)3.5ft (1.0m)12s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
19
Friday
20
Saturday
21
Sun
22
8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM
Rating
(10 max)
2
1
2
2
3
3
3
3
3
2
2
3
3
3
2
2
2
0
1
1
3
3
3
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
W
1
W
1.1
W
1.2
W
1
W
1.1
NW
1.1
NW
1.1
NW
1.1
W
1.1
W
1.1
NW
1
W
1.9
NW
1.8
NW
2
NW
2.3
NW
1.9
NW
2
NW
2.3
NW
3
NW
3
NW
3.5
NW
3
NW
3
NW
Period(s) (?)101010101212121212111111776777788999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2422002423052813143493383363132732533312992974803413555548621435161016511477
Wind
(km/h)
10
NNE
10
NW
15
NNW
15
NNW
5
NNW
5
NNE
5
N
5
NNE
5
NNE
10
NW
15
NW
15
NNW
10
NNW
5
N
20
NNW
20
NNW
15
NNW
25
NW
30
NNW
30
NNW
25
NNW
20
NNW
20
N
10
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscross-
off		cross-
off		cross-
off		glassglasscross-
off		glasscrosscrosscross-
off		cross-
off		glasscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
12:10PM
1.58
12:24AM
1.76
1:01PM
1.49
12:56AM
1.83
1:57PM
1.37
1:31AM
1.87
Low Tide
/ height (m)
5:59AM
0.16
6:05PM
0.16
6:45AM
0.02
6:38PM
0.30
7:34AM
-0.09
7:12PM
0.45
Thursday
19
Friday
20
Saturday
21
Sun
22
Sunrise7:20-------7:18-------7:16-------
Sunset---7:24-------7:25-------7:27----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C141818171515151415171615131311111111111010877
Feels °C (?)12151513131413121315131212128786545334
  • 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

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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 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.

View detailed surf forecast for Big River at:
surf-forecast.com

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