Big River Surf Break

Lat Long: 39.30° N 123.80° W

Big River 48 hour detailed Surf Forecast

Issued: 4 pm 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
13.8°C
0.9° 

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 (29 Aug):

  • Afternoon surf: Afternoon surf (29 Aug, local time) - 4ft (1.2m), 18s period with SSW swell.
  • Evening surf: Evening surf (29 Aug, local time) - 3.5ft (1.1m), 16s period with SSW swell.

The current surf forecast for Big River at 9PM is: 1.1m 16s primary swell from a South-southwest direction and 0.3m 10s secondary swell from a South direction, 2.5m 7s secondary swell from a Northwest direction (forecast issued at 04:00pm August 29). The wind direction is predicted to be cross-offshore.

Time (PDT) & DateWave HeightWave Period
Morning (29 Aug)--
Afternoon (29 Aug)4ft (1.2m)18s
Evening (29 Aug)3.5ft (1.1m)16s

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


Short Range Forecast

Mostly dry. Very mild (max 16°C on Tue morning, min 11°C on Sat night). Wind will be generally light.

Sat
29
Sunday
30
Monday
31
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
1
2
2
3
3
4
3
1
1
2
3
4
3
3
1
1
1
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)
1.2
SSW
18
1.1
SSW
17
2.5
NW
7
1.1
SSW
16
1.2
SSW
16
1.2
SSW
16
1.2
SSW
16
1.2
SSW
16
1.1
SSW
16
2.3
NW
8
2.4
NW
8
2.4
NW
8
2.3
NW
8
2.1
NW
8
1
SSW
14
1
SSW
14
1
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
Wave Graph
Metric surfscale
Energy kJ
877
742
661
635
733
733
733
724
561
643
725
744
661
502
400
394
394
321
229
217
Wind (km/h)
25
NW
30
NW
25
NNW
20
NNW
15
NNW
10
N
5
ENE
10
WNW
20
NW
20
NW
10
NW
5
NE
5
N
5
NNE
0
ENE
10
W
10
W
10
WNW
5
N
5
ENE
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross
cross
cross
glassy
glassy
glassy
glassy
cross-on
cross-on
cross
cross-off
off
High Tide
12:51PM1.62m
00:43AM1.65m
1:18PM1.69m
1:31AM1.53m
1:48PM1.75m
Low Tide
6:39PM0.44m
6:53AM0.21m
7:25PM0.34m
7:23AM0.35m
8:15PM0.26m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:51
7:49
7:47
 mm
Temp °C
15
15
14
13
12
11
11
14
15
14
12
12
11
11
12
14
15
15
15
14
Feels °C
11
10
10
10
10
10
10
12
12
11
10
12
10
10
12
13
14
15
15
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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