Big River Surf Break

Lat Long: 39.30° N 123.80° W

Issued: 4 pm 30 Jun 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
12.0° C

1.1°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 (30 Jun):

  • Afternoon surf: Afternoon surf (30 Jun, local time) - 13ft (4.0m), 10s period with NW swell.
  • Evening surf: Evening surf (30 Jun, local time) - 13ft (4.0m), 9s period with NW swell.

The current surf forecast for Big River at 8PM is: 4.0m 9s primary swell from a Northwest direction and 0.7m 18s secondary swell from a Southwest direction, 0.4m 14s secondary swell from a South-southwest direction (forecast issued at 04:00pm June 30). The wind direction is predicted to be cross-offshore.

Time (PDT) & DateWave HeightWave Period
Morning (30 Jun)--
Afternoon (30 Jun)13ft (4.0m)10s
Evening (30 Jun)13ft (4.0m)9s

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 14°C on Tue afternoon, min 9°C on Tue night). Winds decreasing (fresh winds from the NNW on Tue night, calm by Thu morning).

Tue
30
Wednesday
1
Thursday
2
Fri
3
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)
2
2
2
2
3
4
5
3
3
3
3
3
4
4
4
1
2
1
3
3
3
3
3
2
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)
3.5
NW
10
4
NW
9
4
NW
9
3.5
NW
9
3
NW
9
3.5
NW
10
3.5
NW
10
3
NW
10
3
NW
10
3.5
NW
10
3.5
NW
10
3.5
NW
9
3
NW
9
3
NW
9
2.4
NW
9
2.4
NW
9
2.3
NW
9
2.4
NW
8
2.5
NW
8
2.4
NW
8
2.1
NW
8
2.2
NW
8
1.8
NW
8
2
NW
8
Wave Graph
Metric surfscale
Energy kJ
2358
2673
2518
2043
1575
1967
2354
1749
1749
2046
2321
1935
1341
1255
921
901
828
802
878
746
553
594
403
482
Wind (km/h)
30
NNW
30
NNW
35
NNW
25
NNW
15
NNW
10
N
5
NNW
10
WNW
15
NW
15
NW
20
NNW
15
NNW
15
NNW
5
N
5
N
10
WNW
15
WNW
20
NW
10
NNW
10
NNW
10
NNW
10
NNW
5
NW
15
NW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
High Tide
1:37PM1.25m
11:45PM1.81m
2:11PM1.28m
00:22AM1.77m
2:44PM1.31m
1:00AM1.70m
Low Tide
5:42PM0.90m
7:06AM-0.21m
6:24PM0.89m
7:39AM-0.19m
7:09PM0.88m
8:13AM-0.13m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:45
8:45
8:45
8:45
 mm
Temp °C
13
14
13
11
10
9
11
13
13
14
12
11
10
10
11
13
13
13
12
11
11
10
11
12
Feels °C
7
8
7
6
7
7
10
11
10
11
8
8
7
9
10
11
10
9
10
9
9
8
10
10
Swell 1
Height (m)
Direction
Period (s)
0.4
SSW
14
0.6
SSW
18
0.7
SW
18
0.8
SSW
18
0.7
SW
18
0.7
SW
18
3
NW
10
3
NW
10
0.7
SSW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
2.5
NW
9
2.4
NW
9
2.4
NW
9
2.3
NW
9
0.7
SW
15
0.6
SSW
15
0.6
SSW
15
0.6
SSW
15
1.9
NW
8
1.8
NW
8
1.7
NW
8
Energy kJ
80
214
319
399
319
319
1838
1749
240
268
268
264
264
1055
921
901
828
232
144
146
144
424
403
335
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
19
0.4
SSW
14
0.4
SSW
14
0.4
SW
14
0.4
SW
14
0.4
SSW
14
0.6
SSW
18
0.7
SSW
18
0.2
SSW
21
0.2
SSW
21
0.3
SW
13
0.3
SW
13
0.3
SSW
19
0.7
SW
16
0.7
SW
16
0.6
SSW
16
0.6
SSW
16
0.3
SSW
18
0.4
SSW
18
0.5
S
18
0.6
SSW
18
0.6
SSW
15
0.6
SSW
15
0.6
SSW
14
Energy kJ
145
79
79
52
52
79
209
270
44
44
27
27
73
264
261
169
162
65
102
160
246
144
142
140
Swell 3
Height (m)
Direction
Period (s)
0.1
S
11
0.1
S
11
0.2
S
14
0.1
S
13
0.1
S
10
0.1
W
18
0.4
SSW
14
0.2
SSW
21
0.1
W
18
0.2
S
12
0.2
S
12
0.2
S
12
0.2
SSW
13
0.4
SSW
19
0.5
S
19
0.4
SSW
19
0.3
SSW
19
0.2
WNW
16
0.2
WNW
16
0.2
WNW
15
0.2
WNW
15
0.5
S
18
0.5
S
18
0.3
SSW
17
Energy kJ
2
2
15
3
2
6
80
44
6
11
11
11
17
125
192
125
72
26
25
23
22
158
156
56
Wind waves
Height (m)
Direction
Period (s)
3.5
NW
10
4
NW
9
4
NW
9
3.5
NW
9
3
NW
9
3.5
NW
10
3.5
NW
10
3
NW
10
3.5
NW
10
3.5
NW
10
3.5
NW
9
3
NW
9
3
NW
9
2.4
NW
8
2.5
NW
8
2.4
NW
8
2.1
NW
8
2.2
NW
8
2
NW
8
Energy kJ
2358
2673
2518
2043
1575
1967
2354
1749
2046
2321
1935
1341
1255
802
878
746
553
594
482
Nearest Offshore or Glassy
Rating
(10 max)
2
4
2
4
4
4
5
4
3
2
2
3
4
4
4
3
1
2
3
3
3
3
3
1
Distance (km)
340
129
304
59
29
0
0
85
155
648
160
59
0
0
0
85
648
160
0
0
0
0
0
202
Best forecast wave conditions in Mendocino County
Rating
(10 max)
4
4
4
5
3
4
4
4
4
4
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
2
4
4
4
4
4
5
4
3
3
3
4
4
4
4
3
2
3
4
4
3
4
3
3
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
9
5
7
6
6
5
7
8
9
9
9
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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