Big River Surf Break

Lat Long: 39.30° N 123.80° W

Big River 48 hour detailed Surf Forecast

Issued: 4 am 19 Oct 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
14.0°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 (19 Oct):

  • Morning surf: Morning surf (19 Oct, local time) - 6.5ft (2.0m), 12s period with WNW swell.
  • Afternoon surf: Afternoon surf (19 Oct, local time) - 5.5ft (1.7m), 12s period with WNW swell.
  • Evening surf: Evening surf (19 Oct, local time) - 3.5ft (1.1m), 15s period with SSW swell.

The current surf forecast for Big River at 10AM is: 2.0m 12s primary swell from a West-northwest direction and 1.0m 15s secondary swell from a South-southwest direction (forecast issued at 04:00am October 19). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (PDT) & DateWave HeightWave Period
Morning (19 Oct)6.5ft (2.0m)12s
Afternoon (19 Oct)5.5ft (1.7m)12s
Evening (19 Oct)3.5ft (1.1m)15s

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


Short Range Forecast

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

Monday
19
Tuesday
20
Wednesday
21
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
4
4
3
2
4
3
3
4
4
4
4
3
4
4
4
3
3
1
1
2
3
3
2
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)
2.2
WNW
13
2.1
WNW
12
2
WNW
12
1.9
WNW
12
1.8
NW
12
1.7
WNW
11
1.4
NW
11
1.2
SSW
15
1.3
SSW
16
2.4
NW
13
2.5
NW
13
2.5
NW
12
2.5
WNW
12
2.5
WNW
12
2.2
WNW
11
1.9
WNW
11
1.6
NW
10
1.5
WNW
10
1
SSW
15
1.1
SSW
15
1.1
SSW
15
1.1
SSW
16
1
SSW
16
0.7
SSW
13
Wave Graph
Metric surfscale
Energy kJ
1622
1277
1158
988
857
681
503
604
773
2063
2204
2160
2200
1722
1264
845
520
466
456
543
558
620
534
187
Wind (km/h)
10
NW
10
N
5
NNW
5
NW
15
WNW
10
NNW
5
N
5
NE
5
ESE
10
E
10
ESE
5
NW
15
WNW
10
N
10
N
10
NE
5
ENE
5
ENE
10
S
10
SSW
10
SW
10
NNW
5
NNE
5
N
Wind State
cross
cross-off
cross-off
cross
cross-on
cross-off
glassy
off
cross-off
cross-off
cross-off
glassy
cross
cross-off
cross-off
off
off
off
cross-on
on
on
cross-off
cross-off
glassy
High Tide
8:01AM1.32m
6:13PM1.40m
8:30AM1.39m
7:22PM1.41m
8:55AM1.48m
8:23PM1.43m
Low Tide
00:30AM0.23m
12:49PM0.98m
1:21AM0.24m
1:51PM0.85m
2:04AM0.25m
2:39PM0.69m
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:28
—
—
—
—
—
—
—
7:28
—
—
—
—
—
—
—
7:30
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:30
—
—
—
—
—
—
—
6:29
—
—
—
—
—
—
—
6:28
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
11
11
11
12
13
13
12
12
11
11
11
14
14
14
13
12
12
13
14
15
15
15
14
13
Feels °C
9
9
10
11
10
11
11
10
9
8
8
12
10
11
10
9
10
10
11
12
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 

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