Big River Surf Break

Lat Long: 39.30° N 123.80° W

Issued: 4 pm 09 Jun 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
9.9° C

2.5°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.


Big River surf forecast from 10 Jun 2026:

  • Best quality surf: Thursday 11 Jun, 2AM (local time) - 11ft (3.5m), 9s period, NW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 10 Jun, 5PM (local time) - 13ft (4.0m), 9s period, NW swell with 2,200 kJ wave energy.
  • Next surfable swell (1★+): Thursday 11 Jun, 2AM (local time) - 11ft (3.5m), 9s period with NW 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 Thursday (Jun 11) at 2AM. The primary swell is predicted to be 3.5m and 9s period with a secondary swell of 1.2m and 16s. Another secondary swell of 0.4m and 14s 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 4.0m 9s and forecast to arrive on Wednesday (Jun 10) at 5PM. 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+) 2AM (Thu 11th Jun)11ft (3.5m) 9s
Best Surf 2AM (Thu 11th Jun)11ft (3.5m) 9s
Most Powerful 5PM (Wed 10th Jun)13ft (4.0m) 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 16°C on Thu morning, min 9°C on Tue night). Winds decreasing (fresh winds from the NNW on Wed afternoon, calm by Thu night).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 13°C on Fri afternoon, min 10°C on Sat night). Wind will be generally light.

Tue
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
2
3
2
2
4
2
3
3
2
2
4
2
3
3
1
3
2
2
3
4
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)
1.5
S
20
1.4
S
18
1.4
S
18
4
NW
9
3.5
NW
9
3
NW
9
3
NW
9
2.5
NW
9
2.2
NW
9
2.2
NW
9
2.4
NW
9
2.3
NW
10
2.2
NW
9
2
NW
9
1.8
NW
9
1.6
NW
9
0.8
SSW
15
0.6
SW
24
0.9
SSW
15
1
SW
21
0.9
SW
20
Wave Graph
Metric surfscale
Energy kJ
1707
1342
1215
2200
1716
1299
1432
952
714
698
881
972
822
626
497
402
292
444
407
890
575
Wind (km/h)
25
NNW
20
NNW
25
NNW
35
NNW
15
N
15
NW
15
NW
5
NNW
10
SW
5
WNW
0
NW
15
SW
5
WSW
0
SSW
15
SSW
5
SSW
5
S
10
SW
5
WSW
5
S
10
SW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
glassy
on
cross-on
glassy
on
on
glassy
on
glassy
glassy
on
glassy
glassy
on
High Tide
7:09PM1.63m
7:52AM1.07m
7:45PM1.76m
9:11AM1.10m
8:25PM1.90m
10:20AM1.16m
9:08PM2.02m
11:21AM1.23m
9:55PM2.12m
12:17PM1.28m
10:44PM2.17m
1:09PM1.33m
11:34PM2.16m
1:59PM1.36m
Low Tide
1:57AM0.30m
1:00PM0.46m
2:50AM0.04m
1:49PM0.58m
3:41AM-0.21m
2:41PM0.68m
4:30AM-0.41m
3:34PM0.74m
5:20AM-0.55m
4:28PM0.78m
6:09AM-0.62m
5:23PM0.79m
6:59AM-0.62m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
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>
8:39
8:40
8:40
8:42
8:42
8:43
8:43
8:43
 mm
Temp °C
13
11
13
13
14
16
16
15
14
13
12
12
13
11
12
13
13
13
14
12
12
Feels °C
9
6
7
6
9
13
13
13
13
11
11
10
11
10
9
11
13
11
12
12
10
Swell 1
Height (m)
Direction
Period (s)
1.5
S
20
1.4
S
18
1.4
S
18
1.4
SSW
18
1.2
S
16
1.2
S
16
3
NW
9
2.5
NW
9
2.2
NW
9
2.2
NW
9
2.4
NW
9
2.3
NW
10
2.2
NW
9
2
NW
9
1.8
NW
9
1.6
NW
9
1.3
NW
8
1.3
NW
8
1.2
NW
8
1.1
NW
8
1.2
NW
8
Energy kJ
1707
1342
1215
1231
762
743
1432
952
714
698
881
972
822
626
497
402
244
208
173
138
191
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
13
0.5
SW
13
0.4
SW
13
0.4
NW
14
0.2
WNW
14
1.2
S
16
0.9
SSW
15
1
S
14
1
S
14
0.8
SSW
14
0.8
S
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
16
0.8
SSW
16
0.8
SSW
15
0.8
SSW
15
0.9
SSW
15
1
SW
21
0.9
SW
20
Energy kJ
120
84
44
54
21
734
360
429
429
269
225
236
232
346
346
292
288
355
890
575
Swell 3
Height (m)
Direction
Period (s)
0.2
WNW
18
0.2
S
12
0.4
NW
16
0.2
WNW
13
0.2
S
21
0.3
SSW
20
0.5
S
19
0.6
S
18
0.7
S
18
0.7
S
16
0.7
S
13
0.7
SSW
13
0.6
S
12
0.6
SW
24
0.6
SW
22
0.9
SSW
14
0.8
SSW
13
Energy kJ
31
12
65
17
35
75
192
230
307
267
168
178
108
444
407
317
239
Wind waves
Height (m)
Direction
Period (s)
2.5
WNW
10
2.5
NW
8
3
NW
8
4
NW
9
3.5
NW
9
3
NW
9
Energy kJ
1230
1000
1087
2200
1716
1299
Nearest Offshore or Glassy
Rating
(10 max)
3
4
4
3
4
4
4
3
3
4
4
3
3
3
3
3
2
2
3
4
3
Distance (km)
303
59
183
303
0
82
23
0
85
13
0
57
59
0
36
0
0
57
0
0
57
Best forecast wave conditions in Mendocino County
Rating
(10 max)
4
4
4
4
4
4
3
4
3
3
3
3
4
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
4
4
4
4
3
4
4
4
3
4
3
3
4
3
3
4
3
Header Global
Rating
(10 max)
5
5
7
8
6
6
5
7
7
6
5
4
5
5
6
4
4
7
9
7
4
  • 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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