Big River surfForecast / CAL – Mendocino County / USA

information circle48hr Weather and Surf, issued 4 pm Thursday 14 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
12.2° 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 10PM is: 3.0m 8s primary swell from a Northwest direction and 0.8m 16s secondary swell from a South-southwest direction, 0.2m 19s secondary swell from a West-northwest direction (forecast issued at 04:00pm May 14). The wind direction is predicted to be cross-offshore.

Time (PDT) & DateWave HeightWave Period
Morning (14 May)--
Afternoon (14 May)10ft (3.0m)8s
Evening (14 May)11ft (3.5m)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 Thu afternoon, min 9°C on Thu night). Winds increasing (moderate winds from the NNW on Thu night, near gales from the NW by Sat afternoon).

Thu
14
Friday
15
Saturday
16
Sun
17
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
1
1
2
1
2
2
2
1
1
1
1
1
1
1
0
0
0
0
1
1
2
2
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.5
WNW
8
3.5
NW
8
3.5
NW
8
3
NW
8
2.5
NW
7
2.3
NW
7
2.3
NW
7
3
NW
8
3.5
NW
8
3.5
NW
8
3.5
NW
8
3
NW
8
2.5
NW
8
2.5
NW
8
2.5
NW
8
3.5
NW
8
4
NW
8
4.5
NW
9
4.5
NW
9
4
NW
9
4
NW
10
4.5
NW
10
4
NW
10
4
NW
10
Wave Graph
Metric surfscale
Energy kJ
854
1417
1492
1128
735
550
585
839
1507
1785
1674
1109
820
799
799
1307
1995
3014
3121
2731
3185
3576
3463
3279
Wind (km/h)
30
NNW
40
NNW
40
NNW
35
NNW
25
NNW
20
NNW
20
NNW
35
NW
45
NW
45
NW
45
NNW
35
NNW
40
NNW
40
NNW
35
NNW
50
NW
50
NW
55
NW
45
NNW
40
NNW
35
NNW
35
NNW
30
NNW
40
NNW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
9:45PM1.87m
11:18AM1.28m
10:23PM1.99m
12:15PM1.30m
11:04PM2.06m
Low Tide
3:24PM0.44m
4:44AM-0.29m
4:07PM0.54m
5:30AM-0.47m
4:51PM0.62m
6:19AM-0.58m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:20
8:21
8:22
8:22
Temp °C
13
12
13
12
10
9
10
12
12
12
12
11
10
11
11
11
11
11
11
10
10
10
10
12
7
4
5
5
5
5
5
5
3
3
3
3
2
3
3
1
1
-1
1
1
2
3
3
3
Swell 1
Height (m)
Direction
Period (s)
0.9
SSW
16
0.9
SSW
16
0.8
SSW
16
0.8
SSW
16
0.8
SSW
16
0.6
SSW
16
0.8
SSW
15
0.8
SSW
15
0.7
SSW
15
0.8
SSW
15
0.8
SSW
15
1.1
WNW
15
1.2
WNW
14
1.3
WNW
14
1.3
WNW
14
0.6
SSW
14
0.6
SSW
14
0.6
SSW
15
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.5
SSW
14
0.5
SSW
14
Energy kJ
380
371
295
295
288
169
270
259
231
296
292
530
561
630
702
158
163
167
165
165
165
165
120
118
Swell 2
Height (m)
Direction
Period (s)
0.2
S
12
0.1
S
12
0.2
S
13
0.2
WNW
19
0.4
NW
18
0.6
W
9
0.4
WNW
17
0.7
WNW
16
0.1
S
11
0.1
S
10
0.1
S
10
0.7
SSW
15
0.7
SSW
15
0.4
SSW
15
0.6
SSW
14
0.3
S
16
0.3
S
16
0.1
SW
19
0.1
SW
19
0.1
S
20
0.1
S
20
0.1
S
20
0.1
S
19
Energy kJ
11
3
14
34
81
64
117
234
2
2
2
231
246
87
158
46
46
15
14
7
7
7
7
Swell 3
Height (m)
Direction
Period (s)
0.1
W
20
0.1
S
13
0.1
S
12
0.2
S
13
0.1
S
11
0.5
S
14
0.1
S
11
0.1
S
11
0.1
S
11
0.1
S
11
0.1
W
20
0.4
SSW
13
0.3
S
16
0.1
SW
19
0.1
S
20
0.1
S
19
Energy kJ
8
3
3
14
2
107
2
2
2
2
7
60
46
15
7
7
Wind waves
Height (m)
Direction
Period (s)
2.5
WNW
8
3.5
NW
8
3.5
NW
8
3
NW
8
2.5
NW
7
2.3
NW
7
2.3
NW
7
3
NW
8
3.5
NW
8
3.5
NW
8
3.5
NW
8
3
NW
8
2.5
NW
8
2.5
NW
8
2.5
NW
8
3.5
NW
8
4
NW
8
4.5
NW
9
4.5
NW
9
4
NW
9
4
NW
10
4.5
NW
10
4
NW
10
4
NW
10
Energy kJ
854
1417
1492
1128
735
550
585
839
1507
1785
1674
1109
820
799
799
1307
1995
3014
3121
2731
3185
3576
3463
3279
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
3
3
3
3
2
3
3
3
2
4
4
2
3
3
4
4
4
4
3
3
4
Distance (km)
304
303
303
202
59
59
59
202
304
303
304
277
235
235
277
303
303
648
304
303
303
100
97
202
Best forecast wave conditions in Mendocino County
Rating
(10 max)
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
4
4
4
4
4
3
3
3
4
4
4
4
4
4
4
4
5
8
8
9
5
Header Global
Rating
(10 max)
5
4
6
5
5
5
5
5
5
5
5
5
4
5
5
5
5
5
4
5
8
8
9
5
  • 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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