Big River Surf Break

Lat Long: 39.30° N 123.80° W

Big River 48 hour detailed Surf Forecast

Issued: 10 pm 19 Jul 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
12.3° C
1.1° 

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 (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 2.5ft (0.7m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 3ft (0.9m), 16s period with SW swell.
  • Evening surf: Evening surf (20 Jul, local time) - 3ft (0.9m), 16s period with SW swell.

The current surf forecast for Big River at 2AM is: 0.9m 17s primary swell from a Southwest direction and 1.4m 8s secondary swell from a Northwest direction (forecast issued at 10:00pm July 19). The wind direction is predicted to be glassy and the swell rating is 3.

Time (PDT) & DateWave HeightWave Period
Morning (20 Jul)2.5ft (0.7m)16s
Afternoon (20 Jul)3ft (0.9m)16s
Evening (20 Jul)3ft (0.9m)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 morning, min 11°C on Sun night). Wind will be generally light.

Sun
19
Monday
20
Tuesday
21
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)
3
3
3
3
2
1
2
2
3
3
3
2
2
1
1
2
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SW
17
0.9
SW
17
0.9
SW
17
0.8
SW
16
0.8
SW
16
0.7
SW
16
0.7
SW
16
0.9
SW
16
0.9
SSW
16
0.9
SW
16
0.9
SW
16
0.8
SW
16
0.8
SSW
16
0.8
SSW
16
0.7
SW
15
1.2
S
14
1.2
S
14
0.8
SSW
14
Wave Graph
Metric surfscale
Energy kJ
439
429
410
318
310
258
255
362
436
367
362
299
314
310
220
529
529
268
Wind (km/h)
5
NNW
5
NNW
0
SW
5
SSW
5
SE
10
SW
5
SW
10
W
5
NNW
5
N
10
NNW
5
N
5
N
10
WNW
10
NW
15
NW
10
NNW
5
NNW
Wind State
cross-off
cross-off
glassy
glassy
cross
on
glassy
cross-on
cross-off
cross-off
cross-off
glassy
cross-off
cross
cross
cross
cross-off
cross-off
High Tide
4:14AM1.26m
4:59PM1.69m
5:39AM1.09m
5:43PM1.69m
Low Tide
10:31PM0.49m
10:06AM0.38m
11:45PM0.41m
10:48AM0.59m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:37
8:37
8:37
 mm
Temp °C
13
11
11
11
12
13
14
14
13
12
11
12
13
16
15
15
13
13
Feels °C
13
10
11
10
11
11
14
13
12
11
9
11
12
15
13
13
12
12
  • 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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