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Surf Forecasts:

Big River surfForecast / CAL – Mendocino County / USA

information circle48hr Weather and Surf, issued 9 am Tuesday 20 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
12.8° C
 (Which is 1.0°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 3PM is: 1.5m 15s primary swell from a West-northwest direction and 1.0m 11s secondary swell from a West direction (forecast issued at 09:00am January 20). The wind direction is predicted to be glassy and the swell rating is 3.

Time (PST) & DateWave HeightWave Period
Morning (20 Jan)4.5ft (1.4m)16s
Afternoon (20 Jan)5ft (1.5m)15s
Evening (20 Jan)6ft (1.8m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Fri
23
7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM
Rating
(10 max)
3
4
3
2
4
4
4
3
3
3
2
2
3
3
3
2
3
3
2
2
3
3
3
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
WNW
1.5
WNW
1.5
WNW
1.6
WNW
1.8
W
1.8
W
1.8
W
1.7
W
1.6
W
1.6
W
1.5
W
1.5
W
1.4
W
1.3
WNW
1.3
WNW
1.1
W
0.9
WNW
1.3
WNW
1.1
WNW
1.1
WNW
1.2
WNW
1.1
WNW
1.9
NW
1.8
NW
Period(s) (?)1616161515141413131313131212121216121615141488
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7141109108210351392135413171032892892759747603503494347371454568485565478481433
Wind
(km/h)
5
E
0
ENE
5
W
5
WNW
10
NE
5
N
5
NNW
0
N
5
NE
5
ENE
5
WNW
5
W
5
NE
5
E
5
N
5
E
5
N
5
NW
10
WNW
15
NW
5
N
5
E
5
NE
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
on		crossoffglassglassglassglassglasscrosscross-
on		offglassglassglassglassglasscrosscrossglassglassoffglass
High Tide
/ height (m)
11:20AM
1.86
1:11AM
1.51
12:02PM
1.76
1:40AM
1.58
12:48PM
1.62
2:11AM
1.65
Low Tide
/ height (m)
5:26AM
0.85
6:21PM
-0.13
6:13AM
0.79
6:52PM
-0.05
7:04AM
0.72
7:23PM
0.08
Tuesday
20
Wednesday
21
Thursday
22
Fri
23
Sunrise-7:31-------7:30-------7:30------
Sunset---5:21-------5:22-------5:22----
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C111213121111111211131412121313121213121110101010
Feels °C (?)10111211910101191212111112121111121089989
  • 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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