Big River Surf Break

Lat Long: 39.30° N 123.80° W

Issued: 10 am 04 Jul 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
11.1° C

2.0°C colder than average for this time of year

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 (04 Jul):

  • Morning surf: Morning surf (04 Jul, local time) - 6ft (1.8m), 8s period with NW swell.
  • Afternoon surf: Afternoon surf (04 Jul, local time) - 5.5ft (1.7m), 8s period with NW swell.
  • Evening surf: Evening surf (04 Jul, local time) - 6ft (1.8m), 8s period with NW swell.

The current surf forecast for Big River at 3PM is: 1.7m 8s primary swell from a Northwest direction and 0.7m 14s secondary swell from a South-southwest direction (forecast issued at 10:00am July 04). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (04 Jul)6ft (1.8m)8s
Afternoon (04 Jul)5.5ft (1.7m)8s
Evening (04 Jul)6ft (1.8m)8s

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 Sat afternoon, min 10°C on Sun night). Wind will be generally light.

Saturday
4
Sunday
5
Monday
6
Tue
7
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
2 AM
5 AM
Rating
(10 max)
2
1
0
2
2
3
2
3
1
1
1
2
2
3
3
3
3
2
1
2
2
3
3
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)
1.8
NW
8
1.8
NW
8
1.7
NW
8
1.8
NW
8
1.8
NW
8
1.9
NW
8
1.8
NW
8
1.8
NW
8
1.7
NW
8
1.7
NW
8
0.8
SSW
18
0.8
SSW
18
1.6
NW
8
1.7
NW
8
1.7
NW
8
1.7
NW
8
1.7
NW
8
1.6
NW
8
0.9
SSW
16
1.6
NW
8
0.8
SSW
16
0.7
SSW
20
0.8
SSW
20
1.7
NW
11
Wave Graph
Metric surfscale
Energy kJ
345
354
337
354
395
435
383
403
380
380
399
395
358
398
398
398
398
335
412
335
327
361
485
663
Wind (km/h)
5
NW
10
W
10
W
10
W
5
WSW
5
SSE
0
NW
0
ESE
10
SSW
15
SW
10
SW
10
WNW
10
NW
5
NW
0
SSE
0
NE
5
WNW
10
WNW
15
WNW
15
NW
10
NW
5
NW
5
NNW
5
NNW
Wind State
glassy
cross-on
cross-on
cross-on
cross-on
glassy
glassy
glassy
cross-on
on
on
cross-on
cross
glassy
glassy
glassy
glassy
cross-on
cross-on
cross
cross
glassy
glassy
glassy
High Tide
3:48PM1.41m
2:28AM1.46m
4:20PM1.48m
3:26AM1.30m
4:54PM1.57m
4:40AM1.15m
Low Tide
8:45AM-0.05m
8:57PM0.81m
9:18AM0.07m
10:02PM0.73m
9:53AM0.22m
11:13PM0.59m
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part cloud
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part cloud
cloud
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part cloud
part cloud
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part cloud
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<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:45
8:45
8:44
8:44
 mm
Temp °C
11
12
13
12
11
11
11
11
11
12
12
12
11
10
10
10
10
12
12
12
11
11
11
10
Feels °C
10
10
11
10
10
11
11
11
9
9
10
11
10
10
10
10
9
10
10
10
9
10
10
9
Swell 1
Height (m)
Direction
Period (s)
1.8
NW
8
1.8
NW
8
1.7
NW
8
1.8
NW
8
1.8
NW
8
1.9
NW
8
1.8
NW
8
1.8
NW
8
1.7
NW
8
1.7
NW
8
1.7
NW
8
1.7
NW
8
1.6
NW
8
1.7
NW
8
1.7
NW
8
1.7
NW
8
1.7
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
8
0.8
WNW
12
0.8
WNW
11
1.6
NW
8
1.7
NW
11
Energy kJ
345
354
337
354
395
435
383
403
380
380
389
389
358
398
398
398
398
335
335
335
169
157
281
663
Swell 2
Height (m)
Direction
Period (s)
0.5
SSW
16
0.6
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.6
SSW
14
0.7
WNW
13
0.8
SSW
18
0.8
SSW
18
0.7
SSW
18
0.7
WNW
13
0.8
WNW
13
0.8
WNW
12
0.8
WNW
12
0.8
WNW
12
0.9
SSW
16
0.8
SSW
16
0.8
SSW
16
0.7
SW
16
0.9
NW
11
0.9
SSW
20
Energy kJ
138
129
183
183
186
186
186
183
138
140
399
395
273
151
209
184
184
180
412
330
326
261
169
596
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
13
0.4
WNW
14
0.4
WNW
13
0.5
SSW
20
0.6
SSW
19
0.5
SSW
19
0.5
WNW
12
0.6
WNW
12
0.6
WNW
12
0.6
SSW
18
0.4
WNW
13
0.5
WNW
13
0.6
WNW
13
0.7
SSW
18
0.6
SSW
18
0.6
SSW
18
0.7
SSW
17
0.7
SSW
17
0.9
WNW
12
0.8
WNW
12
0.5
SSW
21
0.7
SSW
20
0.8
SSW
20
0.7
SW
16
Energy kJ
44
71
69
216
251
214
86
99
101
216
70
101
118
273
207
204
264
246
218
174
256
342
485
261
Wind waves
Height (m)
Direction
Period (s)
1.6
NW
8
1.7
NW
8
1.8
NW
8
1.6
NW
7
Energy kJ
327
361
364
277
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
3
3
3
2
3
3
2
3
2
3
3
3
3
3
2
2
1
3
3
3
4
Distance (km)
0
59
945
82
39
0
0
0
19
82
85
277
23
0
0
0
0
202
160
304
23
0
0
0
Best forecast wave conditions in Mendocino County
Rating
(10 max)
3
2
3
3
3
3
3
3
3
3
3
3
3
4
4
4
Best forecast wave conditions in United States
Rating
(10 max)
3
3
2
3
3
3
3
3
3
3
3
2
3
3
3
3
3
2
2
2
4
4
4
4
Header Global
Rating
(10 max)
5
4
5
5
9
9
9
8
7
6
5
5
5
5
5
5
5
8
8
8
7
7
5
5
  • 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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