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Surf Forecasts:

Big River surfForecast / CAL – Mendocino County / USA

information circle48hr Weather and Surf, issued 4 pm Sunday 15 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
10.0° C
 (Which is 1.7°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 9PM is: 0.6m 20s primary swell from a South-southwest direction and 0.6m 10s secondary swell from a Northwest direction, 1.8m 7s secondary swell from a Northwest direction (forecast issued at 04:00pm March 15). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (PDT) & DateWave HeightWave Period
Morning (15 Mar)--
Afternoon (15 Mar)2.5ft (0.8m)20s
Evening (15 Mar)6ft (1.8m)7s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM
Rating
(10 max)
2
3
3
3
2
2
3
3
2
2
2
3
3
3
2
1
2
2
2
3
3
3
3
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
SSW
0.7
SSW
1.8
NW
1.8
NW
0.6
SSW
0.6
SSW
0.7
SSW
0.9
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.8
SSW
0.9
SSW
0.7
S
0.7
SSW
0.9
SSW
0.9
SSW
1.1
W
1.2
W
1.3
W
1.6
WNW
1.6
W
1.5
W
1.2
W
Period(s) (?)2020771818181818181817171816161614141413131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)441412314318216209280597437427413404493298229385376489549607888825657403
Wind
(km/h)
15
NW
15
NNW
5
N
5
N
10
N
10
N
5
N
5
NNW
15
NNW
10
NNW
10
NNW
5
NNE
5
N
10
N
5
NE
10
NW
10
NW
10
NW
5
NW
5
N
5
N
5
NNE
10
N
5
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		cross-
off		glasscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glasscross-
off		cross-
off		offcrosscrosscrosscrossglassglasscross-
off		cross-
off		cross
High Tide
/ height (m)
10:44PM
1.34
9:49AM
1.65
11:06PM
1.44
10:35AM
1.66
11:30PM
1.55
Low Tide
/ height (m)
4:00PM
-0.04
3:51AM
0.65
4:32PM
-0.05
4:33AM
0.49
5:02PM
-0.02
5:16AM
0.32
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise------7:24-------7:22-------7:22-
Sunset-7:21-------7:22-------7:22------
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C141212141414141715151313131213181615131414141318
Feels °C (?)10910121212121512131112121011151313111312121116
  • 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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