Big River Surf Break

Lat Long: 39.30° N 123.80° W

Big River 48 hour detailed Surf Forecast

Issued: 4 pm 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
14.7°C
0.0° 

Big River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Big River today (07 Sep):

  • Afternoon surf: Afternoon surf (07 Sep, local time) - 3.5ft (1.0m), 15s period with SSW swell.
  • Evening surf: Evening surf (07 Sep, local time) - 3ft (0.9m), 14s period with SSW swell.

The current surf forecast for Big River at 12AM is: 1.8m 7s primary swell from a Northwest direction and 0.8m 14s secondary swell from a South-southwest direction, 0.7m 14s secondary swell from a South-southeast direction (forecast issued at 04:00pm September 06). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (PDT) & DateWave HeightWave Period
Morning (07 Sep)--
Afternoon (07 Sep)3.5ft (1.0m)15s
Evening (07 Sep)3ft (0.9m)14s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Wed morning, min 12°C on Sun night). Wind will be generally light.

Sun
6
Monday
7
Tuesday
8
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
0
2
3
3
3
2
1
1
1
2
3
2
2
2
1
1
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SSW
15
1
SSW
15
0.9
SSW
14
1.8
NW
7
0.8
SSW
14
0.8
SSE
14
0.8
SSW
14
0.8
SSW
14
0.9
SSE
13
0.8
SSW
14
0.9
SSE
13
0.9
S
14
0.9
S
13
0.9
S
13
0.9
S
13
0.9
S
12
0.9
S
12
1.1
S
12
1.1
S
12
0.8
S
12
Wave Graph
Metric surfscale
Energy kJ
405
405
301
299
264
247
239
236
295
217
295
306
289
276
263
251
239
356
350
171
Wind (km/h)
20
NW
25
NNW
20
NNW
10
N
10
NNE
5
NE
5
E
10
W
10
NW
10
NW
5
NW
5
ENE
10
NNE
5
NE
5
E
10
SW
10
WNW
5
WNW
10
NE
10
ENE
Wind State
cross
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-on
cross
cross
glassy
cross-off
off
glassy
glassy
on
cross-on
glassy
off
cross-off
High Tide
7:27PM1.87m
9:52AM1.37m
8:34PM1.91m
10:28AM1.47m
9:34PM1.93m
Low Tide
1:13PM0.94m
2:54AM-0.13m
2:27PM0.84m
3:43AM-0.16m
3:29PM0.69m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:37
7:37
7:35
 mm
Temp °C
16
15
15
13
12
12
12
16
16
16
15
15
15
16
17
18
18
18
21
21
Feels °C
13
11
13
12
10
11
10
14
14
14
15
14
13
15
15
16
16
17
19
18
  • 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
How to use the Wavefinder 

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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