Big River Surf Break

Lat Long: 39.30° N 123.80° W

Issued: 4 pm 02 Jul 2026 (local time)

Forecast update in  hr  min

Today's Big River sea temperature is
11.6° C

1.5°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 3 Jul 2026:

  • Best quality surf: Friday 3 Jul, 2AM (local time) - 7.5ft (2.3m), 8s period, NW swell with glassy winds.
  • Most powerful swell: Thursday 9 Jul, 11PM (local time) - 8ft (2.5m), 8s period, NW swell with 836 kJ wave energy.
  • Next surfable swell (1★+): Friday 3 Jul, 2AM (local time) - 7.5ft (2.3m), 8s 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 Friday (Jul 03) at 2AM. The primary swell is predicted to be 2.3m and 8s period with a secondary swell of 2.1m and 8s. Another secondary swell of 0.6m and 15s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Big River in the next 16 days are 2.5m 8s and forecast to arrive on Thursday (Jul 09) at 11PM. 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 (Fri 3rd Jul)7.5ft (2.3m) 8s
Best Surf 2AM (Fri 3rd Jul)7.5ft (2.3m) 8s
Most Powerful11PM (Thu 9th Jul)8ft (2.5m) 8s

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 13°C on Fri morning, min 10°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 13°C on Wed morning, min 9°C on Tue night). Wind will be generally light.

Thu
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
1
4
1
0
3
1
2
2
1
2
3
1
1
3
2
1
3
1
1
2
1
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)
2.1
NW
8
2.3
NW
8
1.8
NW
8
1.9
NW
8
2
NW
7
1.8
NW
8
1.8
NW
8
1.9
NW
8
1.8
NW
8
1.8
NW
9
1.8
NW
9
1.8
NW
9
1.8
NW
9
0.8
SSW
20
0.8
SSW
20
0.9
SSW
18
1
SSW
18
0.9
SSW
18
1.1
SSW
16
2.5
NW
8
1.1
SSW
16
Wave Graph
Metric surfscale
Energy kJ
593
645
414
403
421
364
414
470
457
454
490
502
475
494
485
531
651
491
667
681
643
Wind (km/h)
15
NW
5
N
10
WNW
15
NW
5
NNW
10
WNW
10
WNW
5
NW
10
SW
10
NW
5
NW
10
W
15
NW
5
N
15
NW
20
NW
5
N
15
NW
20
NW
15
NNW
25
NW
Wind State
cross
glassy
cross-on
cross
cross-off
cross-on
cross-on
cross
on
cross
glassy
cross-on
cross
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross
High Tide
2:44PM1.31m
1:00AM1.70m
3:16PM1.36m
1:41AM1.59m
3:48PM1.41m
2:28AM1.46m
4:20PM1.48m
3:26AM1.30m
4:54PM1.57m
4:40AM1.15m
5:31PM1.66m
6:13AM1.04m
6:13PM1.77m
7:51AM1.03m
Low Tide
7:09PM0.88m
8:13AM-0.13m
7:59PM0.86m
8:45AM-0.05m
8:57PM0.81m
9:18AM0.07m
10:02PM0.73m
9:53AM0.22m
11:13PM0.59m
10:31AM0.38m
00:24AM0.40m
11:15AM0.54m
1:31AM0.18m
12:08PM0.69m
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:54
5:54
5:54
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:45
8:45
8:45
8:45
8:44
8:44
8:44
8:43
 mm
Temp °C
12
12
13
13
12
13
13
11
12
12
11
12
12
11
11
12
11
13
13
12
12
Feels °C
10
11
11
11
10
11
11
10
10
10
10
10
10
8
10
8
8
9
9
9
8
Swell 1
Height (m)
Direction
Period (s)
0.7
SW
15
2.1
NW
8
1.8
NW
8
0.7
SSW
15
0.8
SSW
16
1.8
NW
8
1.8
NW
8
1.9
NW
8
1.8
NW
8
1.8
NW
9
1.8
NW
9
1.8
NW
9
1.8
NW
9
2
NW
8
0.8
SSW
20
0.9
SSW
18
1
SSW
18
0.9
SSW
18
1.1
SSW
16
0.9
SSW
16
1.1
SSW
16
Energy kJ
232
477
414
209
288
364
414
470
457
454
490
502
475
494
485
531
651
491
667
452
643
Swell 2
Height (m)
Direction
Period (s)
0.3
SSW
18
0.6
SW
15
0.6
SSW
14
0.3
WNW
15
0.4
WNW
14
0.6
SSW
14
0.7
SSW
14
0.8
SSW
14
0.7
WNW
12
0.8
SSW
18
0.8
WNW
13
0.8
WNW
12
0.8
SSW
16
0.8
SSW
20
0.7
SW
16
0.6
SSW
14
0.7
SSW
15
0.6
SW
15
0.4
S
20
0.4
SSW
13
0.4
NW
10
Energy kJ
65
174
140
42
74
129
183
239
136
395
206
180
330
485
255
140
188
174
119
70
25
Swell 3
Height (m)
Direction
Period (s)
0.2
WNW
16
0.6
SSW
18
0.3
SSW
17
0.2
S
11
0.3
SSW
21
0.4
WNW
14
0.5
SSW
20
0.5
WNW
12
0.6
SSW
18
0.5
WNW
11
0.6
SSW
18
0.7
SSW
17
0.8
WNW
12
0.7
SSW
16
0.2
S
12
0.1
S
8
0.2
S
21
0.2
S
11
0.4
S
19
Energy kJ
26
246
56
9
89
71
216
86
216
70
207
246
171
226
11
1
35
9
117
Wind waves
Height (m)
Direction
Period (s)
2.1
NW
8
2.3
NW
8
1.9
NW
8
2
NW
7
1.7
NW
7
1.9
NW
7
1.8
NW
7
1.6
NW
6
1.8
NW
6
2.5
NW
8
2.2
NW
8
Energy kJ
593
645
403
421
295
321
308
161
248
681
564
Nearest Offshore or Glassy
Rating
(10 max)
3
4
2
2
3
2
3
3
3
3
3
2
1
3
2
1
3
2
2
3
3
Distance (km)
59
0
54
160
0
85
34
13
85
23
0
273
304
0
202
304
0
277
303
59
202
Best forecast wave conditions in Mendocino County
Rating
(10 max)
3
4
2
3
3
3
3
3
4
4
3
Best forecast wave conditions in United States
Rating
(10 max)
3
4
2
2
3
2
3
4
3
3
3
2
2
4
2
2
4
3
2
4
3
Header Global
Rating
(10 max)
9
5
9
5
6
8
5
9
7
5
9
9
8
6
5
9
9
9
5
5
6
  • 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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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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