Big River Surf Break

Lat Long: 39.30° N 123.80° W

Big River 48 hour detailed Surf Forecast

Issued: 10 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
15.0°C
0.2° 

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 (08 Sep):

  • Morning surf: Morning surf (08 Sep, local time) - 3ft (0.9m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (08 Sep, local time) - 3ft (0.9m), 12s period with S swell.
  • Evening surf: Evening surf (08 Sep, local time) - 3.5ft (1.1m), 12s period with S swell.

The current surf forecast for Big River at 3PM is: 0.9m 12s primary swell from a South direction and 1.1m 7s secondary swell from a Northwest direction (forecast issued at 10:00am September 08). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (08 Sep)3ft (0.9m)13s
Afternoon (08 Sep)3ft (0.9m)12s
Evening (08 Sep)3.5ft (1.1m)12s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Wed afternoon, min 13°C on Thu night). Wind will be generally light.

Tuesday
8
Wednesday
9
Thursday
10
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
2
1
2
1
2
2
2
2
2
1
1
2
2
2
2
2
3
2
2
2
3
3
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)
0.9
S
13
0.9
S
12
0.9
S
12
1.1
S
12
1.1
S
12
0.8
S
11
0.8
S
11
0.9
S
11
0.9
S
11
1
NW
8
0.7
SW
19
0.7
SW
19
0.7
SW
18
0.7
SW
18
0.7
SW
18
0.8
SSW
17
0.9
SW
17
0.9
SSW
17
0.9
SSW
17
1
SW
17
1
SW
16
2.1
NW
8
Wave Graph
Metric surfscale
Energy kJ
263
251
243
356
350
166
154
196
192
132
376
364
316
316
312
386
429
504
493
553
534
515
Wind (km/h)
5
NE
10
W
5
WNW
5
NW
5
NE
5
ENE
5
ENE
10
ENE
5
NE
10
NW
10
NW
10
NNW
10
NNW
0
NW
5
N
10
NNW
5
NNW
10
WNW
15
NW
15
NW
5
WNW
10
NNW
Wind State
glassy
cross-on
glassy
cross
off
off
cross-off
off
glassy
cross
cross
cross-off
cross-off
glassy
glassy
cross-off
cross-off
cross
cross
cross
glassy
cross-off
High Tide
10:28AM1.47m
9:34PM1.93m
11:02AM1.57m
10:29PM1.91m
11:34AM1.66m
Low Tide
3:29PM0.69m
4:26AM-0.14m
4:23PM0.53m
5:05AM-0.07m
5:12PM0.39m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:50
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:35
7:32
7:31
 mm
Temp °C
17
22
18
20
21
21
21
21
22
24
25
21
18
19
19
18
17
17
16
16
14
14
Feels °C
16
20
17
19
19
19
19
18
20
21
22
18
17
19
18
16
16
16
14
15
14
14
  • 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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