Big River surfForecast / CAL – Mendocino County / USA

information circle48hr Weather and Surf, issued 10 pm Sunday 29 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
10.3° C
(Which is 1.4°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 3AM is: 1.1m 7s primary swell from a Northwest direction and 0.7m 8s secondary swell from a Northwest direction (forecast issued at 10:00pm March 29). The wind direction is predicted to be glassy and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (30 Mar)3.5ft (1.1m)7s
Afternoon (30 Mar)5ft (1.5m)8s
Evening (30 Mar)5ft (1.6m)8s

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


Updates in  hr  min  s Forecast update imminent
Sun
29
Monday
30
Tuesday
31
Wednesday
01
8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM
Rating
(10 max)
2
2
2
1
1
1
1
2
2
2
2
1
1
1
2
2
2
1
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
NW
1.5
NW
1.2
NW
0.9
NW
1.1
NW
1.1
NW
1.5
NW
1.5
NW
1.6
NW
1.4
NW
1.2
NW
1
NW
0.9
NW
1.1
NW
1.1
NW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
WNW
0.6
WNW
0.6
WNW
Period(s) (?)777877888888899151515141414131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)16420613188109114277284299229169122107176172120118115102969696113111
Wind
(km/h)
10
N
0
ENE
5
NE
10
NNW
10
NW
10
NW
10
NW
10
N
15
N
15
NNW
5
NNE
10
NNW
5
N
10
WNW
5
WSW
5
WNW
5
ESE
10
SSE
10
SE
15
SSE
15
SSE
20
S
15
SSW
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
glassglasscross-
off
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
glassglassglasscross-
on
crosscrosscrosscross-
on
onon
High Tide
/ height (m)
10:23PM
1.51
9:59AM
1.58
10:53PM
1.59
10:51AM
1.53
11:21PM
1.65
11:39AM
1.47
Low Tide
/ height (m)
4:01AM
0.42
4:23PM
-0.01
4:47AM
0.27
4:57PM
0.10
5:29AM
0.13
Sun
29
Monday
30
Tuesday
31
Wednesday
01
Sunrise----7:03-------7:01-------7:00---
Sunset-------7:36-------7:37-------7:37
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
rain showers
light rain
Rain (mm)
--------------------1211
Temp. °C121213131113131410101010101210101011111111121212
Feels °C (?)10111110811111277989109999888998
  • 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.


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