Big River Surf Break

Lat Long: 39.30° N 123.80° W

Big River 48 hour detailed Surf Forecast

Issued: 4 pm 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
14.1°C
0.6° 

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 (25 Aug):

  • Afternoon surf: Afternoon surf (25 Aug, local time) - 2ft (0.6m), 16s period with SW swell.
  • Evening surf: Evening surf (25 Aug, local time) - 2ft (0.6m), 16s period with SW swell.

The current surf forecast for Big River at 10PM is: 0.6m 16s primary swell from a Southwest direction and 0.6m 13s secondary swell from a South direction (forecast issued at 04:00pm August 25). An open ocean swell of 0.5m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (25 Aug)--
Afternoon (25 Aug)2ft (0.6m)16s
Evening (25 Aug)2ft (0.6m)16s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Wed afternoon, min 12°C on Tue night). Wind will be generally light.

Tue
25
Wednesday
26
Thursday
27
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
2
2
2
1
0
1
2
2
2
2
2
0
0
0
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)
0.7
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
15
0.6
SW
15
0.6
SW
15
0.6
SW
15
1.3
WNW
8
0.6
SW
15
1.6
NW
6
1.6
NW
6
Wave Graph
Metric surfscale
Energy kJ
264
214
211
163
206
203
203
203
203
201
201
196
181
174
134
134
241
171
196
196
Wind (km/h)
15
NW
15
NNW
10
N
5
NNE
5
NNE
5
NNE
5
NNE
10
NW
15
NW
15
NNW
10
NNW
5
NNW
5
N
10
N
5
NNW
15
NW
20
NW
20
NW
10
NNW
5
NNE
Wind State
cross
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross
cross
cross-off
cross-off
glassy
glassy
cross-off
cross-off
cross
cross
cross
cross-off
glassy
High Tide
11:16AM1.33m
10:00PM1.80m
11:39AM1.40m
10:39PM1.81m
12:02PM1.47m
Low Tide
3:56PM0.82m
4:59AM-0.02m
4:36PM0.73m
5:28AM-0.01m
5:16PM0.63m
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:57
7:54
7:53
 mm
Temp °C
15
15
13
12
12
12
13
16
17
16
15
14
14
14
14
16
15
15
13
13
Feels °C
13
13
12
12
12
11
12
14
14
14
15
15
14
13
14
14
12
12
12
13
  • 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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