Big River Surf Break

Lat Long: 39.30° N 123.80° W

Issued: 4 pm 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
11.7° C

Slightly cooler than normal

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 (17 Jun):

  • Afternoon surf: Afternoon surf (17 Jun, local time) - 3.5ft (1.1m), 18s period with SW swell.
  • Evening surf: Evening surf (17 Jun, local time) - 3.5ft (1.1m), 18s period with SW swell.

The current surf forecast for Big River at 8PM is: 1.1m 18s primary swell from a Southwest direction and 1.8m 9s secondary swell from a Northwest direction (forecast issued at 04:00pm June 17). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (17 Jun)--
Afternoon (17 Jun)3.5ft (1.1m)18s
Evening (17 Jun)3.5ft (1.1m)18s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 13°C on Wed afternoon, min 11°C on Wed night). Wind will be generally light.

Wed
17
Thursday
18
Friday
19
Sat
20
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
2 AM
5 AM
8 AM
11 AM
Rating
(10 max)
1
2
3
3
4
4
4
2
1
2
2
3
3
3
3
1
1
1
3
3
3
3
3
1
Swell
Height Map
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)
1.1
SW
18
1.1
SW
18
1.1
SW
18
1.1
SW
18
1.1
SW
17
1.1
SW
17
1.9
NW
10
1.9
NW
10
1.9
NW
10
1.8
NW
10
1.7
NW
10
1.6
NW
10
1.6
NW
10
1
SW
16
1
SW
16
1.5
NW
10
1
SW
15
1
SW
15
0.8
SSW
18
0.8
SSW
18
1.4
NW
10
1.4
NW
10
1.4
NW
10
1.4
NW
10
Wave Graph
Metric surfscale
Energy kJ
790
790
790
781
772
745
694
692
692
634
580
507
489
483
471
447
435
424
352
352
362
348
357
357
Wind (km/h)
20
SW
15
SW
5
S
5
SSE
5
SSE
5
ESE
0
ESE
15
SW
15
SW
15
SW
5
SSW
5
SSE
5
E
5
E
5
E
15
WSW
10
WSW
10
SW
0
W
5
E
5
ENE
5
NNE
0
W
10
W
Wind State
on
on
cross-on
cross-on
glassy
glassy
glassy
on
on
on
cross-on
glassy
cross-off
cross-off
glassy
cross-on
on
on
glassy
glassy
cross-off
off
glassy
cross-on
High Tide
2:49PM1.40m
1:22AM1.96m
3:39PM1.44m
2:19AM1.76m
4:27PM1.50m
3:21AM1.54m
Low Tide
7:22PM0.77m
8:37AM-0.43m
8:29PM0.75m
9:25AM-0.27m
9:43PM0.71m
10:12AM-0.07m
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:44
8:44
8:44
8:44
 mm
Temp °C
13
12
11
11
11
11
12
13
13
13
12
12
12
11
12
13
13
13
13
12
11
11
11
13
Feels °C
10
10
10
10
10
10
12
10
10
11
11
11
11
10
11
11
11
11
13
11
10
10
11
11
Swell 1
Height (m)
Direction
Period (s)
1.8
NW
9
1.8
NW
9
1.8
NW
9
1.6
NW
9
1.7
NW
10
1.7
NW
10
1.9
NW
10
1.9
NW
10
1.9
NW
10
1.8
NW
10
1.7
NW
10
1.6
NW
10
1.6
NW
10
1.5
NW
9
1.5
NW
9
1.5
NW
10
1.4
NW
10
1.4
NW
9
1.4
NW
9
1.4
NW
9
1.4
NW
10
1.4
NW
10
1.4
NW
10
1.4
NW
10
Energy kJ
486
508
549
466
569
580
692
692
692
634
580
507
432
390
390
398
357
321
314
321
327
348
356
356
Swell 2
Height (m)
Direction
Period (s)
1.1
SW
18
1.1
SW
18
1.1
SW
18
1.1
SW
18
1.1
SW
17
1.1
SW
17
1.1
SW
16
1
SW
16
1
SW
16
1
SW
16
1
SW
16
1
SW
16
1
SW
16
1
SW
16
1
SW
16
1
SW
15
1
SW
15
1
SW
15
0.9
SW
14
0.9
SW
14
0.9
SSW
14
0.9
SW
14
0.9
SSW
14
0.9
SSW
14
Energy kJ
790
790
790
781
772
745
694
515
508
502
502
496
489
483
471
447
435
424
301
301
362
297
357
357
Swell 3
Height (m)
Direction
Period (s)
0.8
S
14
0.8
S
14
0.8
S
14
0.8
S
14
0.8
S
14
0.7
S
14
0.7
S
14
0.7
S
13
0.7
S
13
0.8
S
13
0.7
S
13
0.7
S
13
0.7
S
13
0.7
S
13
0.7
S
13
0.6
S
12
0.6
S
12
0.6
SSW
18
0.8
SSW
18
0.8
SSW
18
0.7
SSW
18
0.6
SSW
18
0.5
SSW
18
0.5
SSW
17
Energy kJ
264
264
264
261
257
191
180
170
165
215
165
165
162
162
157
109
105
251
352
352
273
240
176
170
Wind waves
Height (m)
Direction
Period (s)
0.5
S
4
0.5
S
4
0.5
S
4
0.5
S
4
Energy kJ
7
7
6
7
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
3
4
4
4
3
4
4
4
3
3
3
3
3
3
2
3
3
3
3
3
2
Distance (km)
57
36
13
7
0
0
0
85
82
57
13
0
0
0
0
54
57
36
0
0
0
0
0
160
Best forecast wave conditions in Mendocino County
Rating
(10 max)
4
4
4
4
4
4
4
4
3
3
3
3
2
3
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
4
3
3
3
3
3
Header Global
Rating
(10 max)
5
5
5
9
9
9
5
5
5
5
6
6
6
4
8
4
4
6
4
4
4
5
5
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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