Big River surfForecast / CAL – Mendocino County / USA

information circle48hr Weather and Surf, issued 4 pm Saturday 02 May 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Big River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big River sea temperature is
12.3° C
(Which is normal for this time of year)

How big are the waves at Big River today?

The current surf forecast for Big River at 8PM is: 1.6m 8s primary swell from a Northwest direction and 1.0m 11s secondary swell from a West-northwest direction (forecast issued at 04:00pm May 02). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (02 May)--
Afternoon (02 May)7ft (2.1m)12s
Evening (02 May)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

Some drizzle, heaviest during Mon afternoon. Very mild (max 12°C on Sat afternoon, min 10°C on Sat night). Wind will be generally light.

Sat
2
Sunday
3
Monday
4
Tue
5
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
3
3
2
1
2
3
3
3
4
4
2
3
3
3
3
3
3
3
2
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
2.1
NW
12
1.7
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
9
1.6
NW
9
1.6
NW
9
0.9
WNW
16
1.1
WNW
16
1.3
WNW
16
1.5
WNW
15
1.6
WNW
15
1.6
WNW
14
1.9
WNW
14
1.9
WNW
14
1.7
WNW
14
1.7
WNW
13
1.6
WNW
13
1.6
WNW
13
1.6
WNW
13
1.4
WNW
13
1.4
WNW
12
1.3
WNW
12
1.2
WNW
12
Wave Graph
Metric surfscale
Energy kJ
1180
389
367
346
427
427
418
422
635
778
1001
1024
996
1427
1427
1111
936
824
812
799
659
608
477
405
Wind (km/h)
15
W
15
WNW
10
NW
5
NW
5
NW
0
NE
5
ESE
10
SW
10
WSW
5
WSW
5
SW
0
SSW
0
SSE
5
SW
5
S
5
SSW
5
WNW
0
NW
5
NNW
0
NNE
0
NE
5
ENE
0
NE
10
WNW
cross-on
cross
cross
cross
glassy
glassy
glassy
on
on
on
glassy
glassy
glassy
glassy
glassy
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
glassy
cross-on
High Tide
1:15PM1.20m
11:56PM1.71m
2:02PM1.17m
00:27AM1.67m
2:51PM1.14m
1:00AM1.62m
Low Tide
5:50PM0.70m
7:07AM-0.21m
6:22PM0.77m
7:46AM-0.19m
6:56PM0.83m
8:28AM-0.14m
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
clear
part cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:08
8:09
8:10
8:12
1
Temp °C
12
12
11
11
10
11
11
12
12
12
12
12
12
11
12
12
11
11
11
11
10
10
11
12
10
9
9
10
9
11
10
10
9
10
11
12
12
10
11
11
10
11
10
11
9
9
10
10
Swell 1
Height (m)
Direction
Period (s)
2.1
NW
12
1.7
NW
8
1.6
NW
8
1.6
NW
8
1.6
NW
9
1.6
NW
9
1.6
NW
9
1.5
NW
9
1.4
NW
9
1.3
NW
9
1.5
WNW
15
1.6
WNW
15
1.6
WNW
14
1.9
WNW
14
1.9
WNW
14
1.7
WNW
14
1.7
WNW
13
1.6
WNW
13
1.6
WNW
13
1.6
WNW
13
1.4
WNW
13
1.4
WNW
12
1.3
WNW
12
1.2
WNW
12
Energy kJ
1180
389
367
346
427
427
418
342
300
238
1001
1024
996
1427
1427
1111
936
824
812
799
659
608
477
405
Swell 2
Height (m)
Direction
Period (s)
0.2
SSW
18
1
WNW
12
1
WNW
11
0.9
WNW
11
0.8
WNW
11
0.7
WNW
18
0.8
WNW
18
0.9
WNW
16
1.1
WNW
16
1.3
WNW
16
1.2
NW
8
1.1
NW
8
1.1
NW
9
0.5
SSW
15
0.5
SSW
15
0.7
NNW
9
0.7
NNW
9
0.7
SSW
16
0.7
SSW
16
0.6
NNW
8
0.6
NNW
8
0.6
NNW
8
0.6
SSW
17
0.8
SSW
17
Energy kJ
31
285
270
219
160
276
395
422
635
778
205
153
164
121
121
71
70
220
223
45
45
46
184
377
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
12
0.2
SSW
18
0.3
WNW
20
0.4
WNW
20
0.5
WNW
18
0.7
WNW
11
0.6
WNW
11
0.6
WNW
11
0.7
WNW
11
0.7
WNW
11
0.4
SSW
17
0.4
SSW
17
0.4
SSW
15
0.4
SW
18
0.4
SW
18
0.5
SSW
15
0.7
SSW
15
0.7
NNW
9
0.6
NNW
9
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.5
SSW
14
0.5
NNW
8
Energy kJ
6
31
75
149
193
109
81
81
105
115
109
119
85
80
80
123
199
68
50
127
127
129
104
40
Wind waves
Height (m)
Direction
Period (s)
1.7
NW
8
1.3
NNW
8
Energy kJ
337
212
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
3
3
3
3
3
3
4
3
3
3
4
4
3
3
3
3
3
3
3
3
1
Distance (km)
277
277
29
13
0
0
0
59
279
13
0
0
0
0
0
7
0
0
0
0
0
0
0
160
Best forecast wave conditions in Mendocino County
Rating
(10 max)
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
3
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
3
3
4
4
3
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
Header Global
Rating
(10 max)
4
4
4
4
4
4
5
4
4
4
4
4
5
5
5
4
5
4
5
5
5
5
5
4
  • 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

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