Big River Surf Break

Lat Long: 39.30° N 123.80° W

Big River 48 hour detailed Surf Forecast

Issued: 10 am 08 Aug 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
14.6° C
0.3° 

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 Aug):

  • Morning surf: Morning surf (08 Aug, local time) - 5.5ft (1.7m), 7s period with NW swell.
  • Afternoon surf: Afternoon surf (08 Aug, local time) - 6ft (1.8m), 7s period with NW swell.
  • Evening surf: Evening surf (08 Aug, local time) - 8ft (2.5m), 8s period with NW swell.

The current surf forecast for Big River at 2PM is: 1.6m 7s primary swell from a Northwest direction and 0.6m 18s secondary swell from a South-southwest direction, 0.4m 11s secondary swell from a Northwest direction (forecast issued at 10:00am August 08). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (08 Aug)5.5ft (1.7m)7s
Afternoon (08 Aug)6ft (1.8m)7s
Evening (08 Aug)8ft (2.5m)8s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Sat afternoon, min 11°C on Sat morning). Wind will be generally light.

Saturday
8
Sunday
9
Monday
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
1
2
3
3
3
3
3
1
1
1
4
4
3
4
4
2
2
2
3
4
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)
0.7
SSW
17
1.6
NW
7
1.6
NW
7
1.9
NW
7
2.5
NW
8
3
NW
8
2.5
NW
8
2.4
NW
8
2.5
NW
8
2.4
NW
8
2.5
NW
8
2.5
NW
8
3
NW
9
3
NW
8
2.5
NW
9
3
NW
9
3
NW
9
2.4
NW
9
2.3
NW
9
2.4
NW
9
2.5
NW
9
3
NW
9
Wave Graph
Metric surfscale
Energy kJ
285
277
285
392
881
984
843
728
878
802
848
1002
1473
1252
1050
1355
1228
881
780
881
987
1109
Wind (km/h)
10
NNW
10
WNW
15
NW
15
NW
10
NNW
10
NNW
15
NNW
15
NNW
10
NNW
20
NW
20
NW
15
NW
15
NNW
15
NNW
10
NNW
5
N
5
NNW
15
NW
15
WNW
10
NW
10
NNW
10
NNW
Wind State
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
High Tide
9:23AM1.16m
7:33PM1.98m
10:17AM1.25m
8:36PM2.05m
11:01AM1.34m
9:35PM2.11m
Low Tide
12:57PM0.93m
3:14AM-0.21m
2:14PM0.91m
4:05AM-0.31m
3:21PM0.83m
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:19
8:17
8:16
 mm
Temp °C
11
14
14
15
14
13
12
12
13
15
15
15
14
12
12
12
13
15
15
15
13
12
Feels °C
9
12
11
13
12
11
9
10
11
12
12
12
12
10
10
11
12
13
13
13
12
10
  • 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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