Big River Surf Break

Lat Long: 39.30° N 123.80° W

Issued: 10 pm 04 Jul 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
11.6° C

1.4°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 (05 Jul):

  • Morning surf: Morning surf (05 Jul, local time) - 5ft (1.6m), 8s period with NW swell.
  • Afternoon surf: Afternoon surf (05 Jul, local time) - 2.5ft (0.8m), 18s period with SSW swell.
  • Evening surf: Evening surf (05 Jul, local time) - 5ft (1.6m), 8s period with NW swell.

The current surf forecast for Big River at 2AM is: 1.8m 8s primary swell from a Northwest direction and 0.7m 14s secondary swell from a South-southwest direction (forecast issued at 10:00pm July 04). The wind direction is predicted to be glassy and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (05 Jul)5ft (1.6m)8s
Afternoon (05 Jul)2.5ft (0.8m)18s
Evening (05 Jul)5ft (1.6m)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 12°C on Sun morning, min 10°C on Sat night). Wind will be generally light.

Sat
4
Sunday
5
Monday
6
Tuesday
7
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
2 PM
5 PM
Rating
(10 max)
3
2
2
2
1
1
1
2
2
3
3
3
3
2
2
1
2
3
4
3
3
2
1
1
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
1.8
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
8
0.8
SSW
18
0.8
SSW
18
0.7
SSW
18
1.6
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
8
0.9
SSW
16
0.8
SSW
16
1.8
NW
8
1.8
NW
8
0.8
SSW
20
0.9
SSW
20
0.9
SSW
20
0.8
SSW
20
0.8
SSW
19
0.9
SSW
18
Wave Graph
Metric surfscale
Energy kJ
354
364
373
324
311
311
399
395
284
319
349
327
327
327
412
358
403
403
485
596
596
485
428
531
Wind (km/h)
5
W
5
S
5
SSW
5
SSW
10
SSW
10
SW
10
WSW
5
WNW
10
NW
5
NW
0
SSE
0
N
0
WNW
10
WNW
15
WNW
15
NW
15
NW
5
WNW
5
NNW
5
NNW
5
NW
15
NW
20
NW
20
NW
Wind State
glassy
cross-on
glassy
glassy
cross-on
on
cross-on
cross-on
cross
glassy
glassy
glassy
glassy
cross
cross
cross
cross
glassy
glassy
cross-off
glassy
cross
cross
cross
High Tide
2:28AM1.46m
4:20PM1.48m
3:26AM1.30m
4:54PM1.57m
4:40AM1.15m
Low Tide
8:57PM0.81m
9:18AM0.07m
10:02PM0.73m
9:53AM0.22m
11:13PM0.59m
10:31AM0.38m
part cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
11
11
10
11
12
12
12
10
10
10
10
10
12
12
12
11
11
11
10
11
12
12
12
Feels °C
10
10
10
9
10
10
10
11
9
9
10
10
9
10
10
9
9
10
10
9
10
9
9
9
Swell 1
Height (m)
Direction
Period (s)
1.8
NW
8
1.8
NW
8
1.8
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
8
1.5
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
8
0.8
SSW
16
0.8
SSW
16
0.7
NW
11
1.6
NW
8
1.7
NW
8
1.7
NW
7
0.8
SSW
20
0.8
SSW
16
0.9
SSW
18
Energy kJ
354
364
373
324
311
311
319
319
284
319
349
327
327
327
358
330
326
130
300
320
303
485
314
531
Swell 2
Height (m)
Direction
Period (s)
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
SSW
18
0.8
WNW
13
0.8
WNW
12
0.8
WNW
12
0.8
WNW
12
0.9
SSW
16
0.8
WNW
12
0.8
WNW
12
0.7
SW
16
0.8
WNW
11
0.9
SSW
20
0.9
SSW
20
0.7
SW
16
0.8
SSW
19
0.6
SSW
14
Energy kJ
186
186
186
183
138
140
399
395
273
273
209
187
184
180
412
174
169
261
151
596
596
255
428
140
Swell 3
Height (m)
Direction
Period (s)
0.6
SSW
19
0.5
SSW
19
0.5
WNW
12
0.6
WNW
12
0.7
WNW
12
0.6
SSW
18
0.6
WNW
13
0.6
WNW
13
0.6
WNW
13
0.7
WNW
13
0.6
SSW
18
0.6
SSW
18
0.7
SSW
17
0.7
SSW
17
0.8
WNW
12
0.5
SSW
21
0.5
SSW
21
0.7
SSW
20
0.8
SSW
20
0.7
SW
16
0.7
SW
16
0.3
SSW
12
0.2
S
8
0.2
S
8
Energy kJ
251
214
86
101
133
216
118
118
118
151
207
204
264
246
180
260
256
342
485
261
258
28
5
5
Wind waves
Height (m)
Direction
Period (s)
1.6
NW
8
1.8
NW
8
1.8
NW
8
1.9
NW
8
1.7
NW
7
1.7
NW
7
1.8
NW
7
Energy kJ
358
403
403
424
303
287
267
Nearest Offshore or Glassy
Rating
(10 max)
3
1
2
2
3
2
3
3
3
3
3
3
3
2
2
1
3
3
4
3
3
2
2
2
Distance (km)
0
7
0
0
19
57
57
54
23
0
0
0
0
202
160
304
23
0
0
0
0
277
277
305
Best forecast wave conditions in Mendocino County
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
4
4
4
4
4
2
2
2
Header Global
Rating
(10 max)
9
9
9
8
7
6
5
5
6
5
5
6
9
8
8
8
7
5
5
5
5
7
9
9
  • 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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