Big River surfForecast / CAL – Mendocino County / USA

information circle16 Day Weather and Surf, issued 10 pm Monday 01 Jun 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
11.1° C
(Which is 1.4°C colder than average for this time of year)

Big River surf forecast from 2 Jun 2026:

  • Best quality surf: Thursday 4 Jun, 8AM (local time) - 8ft (2.5m), 8s period, NW swell with cross-offshore winds.
  • Most powerful swell: Thursday 4 Jun, 8PM (local time) - 11ft (3.5m), 9s period, NW swell with 1,887 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 2 Jun, 11PM (local time) - 3.5ft (1.0m), 16s period with SSW swell.

Best Forecast Surf Conditions for Big River this week:

The surf forecast for Big River over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 02) at 11PM. The primary swell is predicted to be 1.0m and 16s period with a secondary swell of 0.2m and 21s. Another secondary swell of 1.8m and 7s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Big River in the next 16 days are 3.5m 9s and forecast to arrive on Thursday (Jun 04) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 2nd Jun)3.5ft (1.0m) 16s
Best Surf 8AM (Thu 4th Jun)8ft (2.5m) 8s
Most Powerful 8PM (Thu 4th Jun)11ft (3.5m) 9s

Table - best surf conditions forecast for Big River over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 14°C on Wed morning, min 9°C on Wed night). Winds increasing (calm on Mon night, fresh winds from the NNW by Thu afternoon).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 12°C on Fri morning, min 9°C on Thu night). Winds decreasing (strong winds from the NW on Sat afternoon, light winds from the NNW by Sun morning).

Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Mon
8
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
3
2
2
3
1
1
3
2
2
3
2
2
3
1
0
2
2
2
3
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SSW
17
1
SSW
16
1
SSW
16
1
SSW
16
0.9
SSW
16
0.8
SSW
15
3
NW
7
3
NW
8
3.5
NW
8
3
NW
8
3
NW
8
3.5
NW
8
1.2
SSW
17
2.1
NW
10
3
NW
7
2.5
NW
8
2.5
NW
8
2.5
NW
8
2.3
NW
9
2
NW
9
0.7
S
23
Wave Graph
Metric surfscale
Energy kJ
742
559
539
525
382
283
799
1009
1662
1336
1003
1323
789
919
735
717
885
976
745
595
537
Wind (km/h)
5
N
15
WNW
20
NW
10
NNW
20
NW
25
NNW
20
NNW
25
NW
30
NNW
20
NNW
25
NW
35
NNW
25
NNW
30
NW
40
NW
25
NNW
20
NW
20
NW
10
N
5
SW
10
NW
glassy
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross
cross
cross-off
on
cross
High Tide
00:01AM1.73m
2:41PM1.19m
00:37AM1.68m
3:24PM1.19m
1:15AM1.62m
4:08PM1.21m
1:57AM1.54m
4:50PM1.25m
2:45AM1.43m
5:28PM1.31m
3:44AM1.30m
6:02PM1.40m
4:58AM1.18m
6:35PM1.50m
Low Tide
7:28AM-0.23m
6:36PM0.90m
8:06AM-0.20m
7:20PM0.92m
8:46AM-0.15m
8:12PM0.93m
9:26AM-0.09m
9:16PM0.92m
10:06AM-0.02m
10:31PM0.87m
10:46AM0.08m
11:47PM0.74m
11:29AM0.20m
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:48
5:48
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:35
8:36
8:37
8:37
8:37
8:37
8:38
8:39
Temp °C
11
12
12
10
14
13
12
12
12
11
12
12
12
12
12
11
12
11
11
12
12
9
10
9
8
9
8
7
7
6
6
6
5
6
6
4
4
8
7
9
10
9
Swell 1
Height (m)
Direction
Period (s)
1.3
WNW
9
1
SSW
16
1
SSW
16
1
SSW
16
0.9
SSW
16
0.8
SSW
15
0.7
SW
14
0.9
SSW
18
1.3
SSW
19
1
SSW
19
1.3
SSW
18
1.3
SSW
18
1.2
SSW
17
1.2
SSW
16
1.2
SSW
16
1
SSW
16
1
SSW
16
0.9
SSW
15
2.3
NW
9
2
NW
9
1.7
NW
8
Energy kJ
255
559
539
525
382
283
211
520
1135
750
943
943
789
700
683
525
512
358
745
595
398
Swell 2
Height (m)
Direction
Period (s)
1.1
NNW
8
0.8
WNW
9
0.6
WNW
9
0.2
SSW
22
0.5
WNW
12
0.8
WNW
11
0.7
SSW
18
0.7
SW
15
0.1
S
12
0.7
SSW
16
0.1
S
13
0.1
S
13
0.1
S
12
0.1
S
12
0.1
S
12
0.2
S
16
0.1
W
19
0.3
S
16
0.8
SSW
15
0.8
SSW
14
0.7
SW
14
Energy kJ
157
101
49
45
81
173
276
217
3
220
3
3
3
3
3
20
7
47
272
268
211
Swell 3
Height (m)
Direction
Period (s)
1.1
SSW
17
0.2
S
14
0.1
SW
22
0.2
S
14
0.5
SSW
19
0.6
SSW
19
0.5
SSW
21
0.1
S
12
0.4
WNW
11
0.2
S
19
0.1
W
19
0.2
S
15
0.3
SSW
26
0.7
S
24
0.7
S
23
Energy kJ
742
16
18
16
214
251
256
3
40
27
7
17
131
541
537
Wind waves
Height (m)
Direction
Period (s)
1.2
NW
6
1.3
NW
7
1.8
NW
7
1.3
NW
6
1.6
NW
6
3
NW
7
3
NW
8
3.5
NW
8
3
NW
8
3
NW
8
3.5
NW
8
2.5
NW
7
2.1
NW
10
3
NW
7
2.5
NW
8
2.5
NW
8
2.5
NW
8
Energy kJ
116
159
267
115
149
799
1009
1662
1336
1003
1323
656
919
735
717
885
976
Nearest Offshore or Glassy
Rating
(10 max)
3
2
1
3
2
2
4
4
3
4
4
3
4
3
2
4
2
2
3
1
3
Distance (km)
0
202
273
0
202
304
59
183
303
59
202
304
59
303
305
59
303
304
0
277
82
Best forecast wave conditions in Mendocino County
Rating
(10 max)
4
3
4
4
4
4
3
Best forecast wave conditions in United States
Rating
(10 max)
4
3
3
4
3
3
4
4
3
5
4
4
5
4
3
4
3
2
4
2
3
Header Global
Rating
(10 max)
5
5
5
5
5
5
4
5
5
5
9
8
7
9
9
9
7
7
9
8
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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Information about the Big River Surf forecast

The above surf forecast table for Big River provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Big River can be found by selecting the local surf guide option on the grey menu. Our Big River surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Big River) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Big River may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Big River is 54 km (34 miles) from Ukiah. If you plan a vacation in Mendocino County, look for hotels and other accommodation in Ukiah. Ukiah has rooms for a wide range of budgets as well as car hire and transport links.

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