Big River Surf Break

Lat Long: 39.30° N 123.80° W

Big River 48 hour detailed Surf Forecast

Issued: 4 pm 29 Jul 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
14.4° C
0.7° 

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 Jul):

  • Afternoon surf: Afternoon surf (29 Jul, local time) - 8ft (2.4m), 7s period with NW swell.
  • Evening surf: Evening surf (29 Jul, local time) - 8ft (2.5m), 8s period with NW swell.

The current surf forecast for Big River at 10PM is: 2.5m 8s primary swell from a Northwest direction and 0.9m 16s secondary swell from a South-southwest direction, 0.7m 18s secondary swell from a South direction (forecast issued at 04:00pm July 29). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (PDT) & DateWave HeightWave Period
Morning (29 Jul)--
Afternoon (29 Jul)8ft (2.4m)7s
Evening (29 Jul)8ft (2.5m)8s

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


Short Range Forecast

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

Wed
29
Thursday
30
Friday
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)
0
2
3
4
3
3
3
1
0
1
1
2
3
3
3
0
0
1
2
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)
2.3
NW
7
2.5
NW
8
2.5
NW
8
2.5
NW
8
2.3
NW
8
1
SSW
16
1
SSW
16
1.1
SSW
16
1.1
SSW
16
2.3
NW
8
2.5
NW
7
2.5
NW
7
2.1
NW
7
1.8
NW
7
0.9
SSW
14
0.9
SSW
14
1.8
NW
7
2.1
NW
7
2.3
NW
7
2.3
NW
7
Wave Graph
Metric surfscale
Energy kJ
539
717
756
694
567
506
499
575
568
601
658
696
457
284
301
301
284
420
535
569
Wind (km/h)
25
NW
25
NNW
20
NNW
10
NNW
15
N
10
N
5
NNW
20
NW
25
NW
15
NW
15
NW
20
NNW
5
NNW
5
N
10
NNW
15
NW
20
NW
20
NW
15
NW
10
N
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
High Tide
12:56PM1.34m
11:32PM1.85m
1:23PM1.40m
00:09AM1.80m
1:50PM1.46m
Low Tide
5:30PM0.82m
6:36AM-0.13m
6:12PM0.77m
7:05AM-0.09m
6:55PM0.72m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:30
8:29
8:28
 mm
Temp °C
15
15
14
13
12
11
12
15
15
15
14
13
12
11
12
15
15
15
14
13
Feels °C
11
11
11
11
10
9
11
11
11
12
11
10
11
9
10
12
12
12
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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