Big River Surf Break

Lat Long: 39.30° N 123.80° W

Big River 48 hour detailed Surf Forecast

Issued: 4 am 26 Sep 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
12.7°C
1.9° 

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 (26 Sep):

  • Morning surf: Morning surf (26 Sep, local time) - 7ft (2.1m), 8s period with NW swell.
  • Afternoon surf: Afternoon surf (26 Sep, local time) - 7ft (2.1m), 8s period with NW swell.
  • Evening surf: Evening surf (26 Sep, local time) - 7ft (2.2m), 8s period with NW swell.

The current surf forecast for Big River at 1PM is: 2.1m 8s primary swell from a Northwest direction and 0.7m 12s secondary swell from a South direction (forecast issued at 04:00am September 26). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (26 Sep)7ft (2.1m)8s
Afternoon (26 Sep)7ft (2.1m)8s
Evening (26 Sep)7ft (2.2m)8s

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


Short Range Forecast

Mostly dry. Very mild (max 14°C on Sat morning, min 10°C on Sun night). Wind will be generally light.

Saturday
26
Sunday
27
Monday
28
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
3
3
3
2
2
2
3
3
3
3
3
1
1
1
3
3
3
3
3
3
2
2
4
4
Swell
Height Map
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
9
2.1
NW
9
2.1
NW
8
2.1
NW
8
2.1
NW
8
2.1
NW
8
2.2
NW
8
2.1
NW
8
1.9
NW
8
1.7
NW
8
1.8
NW
8
1.5
NW
8
1.6
NW
8
2.1
NW
7
2.4
NW
8
2.5
NW
8
2.2
NW
8
2.1
NW
8
2.1
NW
8
1.1
NW
16
1.3
WNW
16
1.3
WNW
16
1.4
NW
15
2.5
NW
8
Wave Graph
Metric surfscale
Energy kJ
808
695
602
602
640
582
650
565
435
335
354
250
300
452
674
795
604
593
611
595
843
828
955
865
Wind (km/h)
10
N
5
NNE
5
NNE
10
WNW
15
NW
20
NNW
10
NNW
5
NNW
5
N
10
N
5
N
10
WNW
15
NW
25
NW
15
NNW
15
NNW
10
NNE
5
NNE
10
NE
10
WNW
20
NW
15
NW
15
N
10
N
Wind State
cross-off
cross-off
glassy
cross
cross
cross-off
cross-off
glassy
cross-off
cross-off
glassy
cross
cross
cross
cross-off
cross-off
cross-off
off
off
cross
cross
cross
cross-off
cross-off
High Tide
11:08PM1.65m
11:29AM1.73m
11:54PM1.61m
11:56AM1.81m
00:43AM1.54m
12:26PM1.88m
Low Tide
5:11AM0.24m
5:40PM0.22m
5:41AM0.34m
6:22PM0.09m
6:13AM0.47m
7:08PM-0.02m
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:05
—
—
—
—
—
—
—
7:07
—
—
—
—
—
—
—
7:07
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
7:06
—
—
—
—
—
—
—
7:04
—
—
—
—
—
—
—
7:02
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
11
11
11
14
14
13
12
12
11
11
11
14
14
13
12
11
11
10
10
14
14
14
12
12
Feels °C
9
10
10
12
11
10
10
11
10
10
10
12
12
9
10
8
9
9
8
11
10
11
10
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 

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