Navarro Rivermouth Surf Break

Lat Long: 39.19° N 123.76° W

Navarro Rivermouth Surf Forecast and Surf Report

Issued: 4 pm 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Navarro Rivermouth sea temperature is
11.2° C
2.9° 

Navarro Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Navarro Rivermouth surf forecast from 5 Aug 2026:

  • Best quality surf: Sunday 9 Aug, 8PM (local time) - 11ft (3.5m), 9s period, NW swell with cross-onshore winds.
  • Most powerful swell: Tuesday 11 Aug, 8PM (local time) - 11ft (3.5m), 9s period, NW swell with 1,722 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 4 Aug, 11PM (local time) - 5ft (1.5m), 8s period with NW swell.

Best Forecast Surf Conditions for Navarro Rivermouth this week:

The surf forecast for Navarro Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 04) at 11PM. The primary swell is predicted to be 1.5m and 8s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Navarro Rivermouth in the next 16 days are 3.5m 9s and forecast to arrive on Tuesday (Aug 11) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 16s period and expected on Sunday (Aug 09) at 5AM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 4th Aug)5ft (1.5m) 8s
Best Surf 8PM (Sun 9th Aug)11ft (3.5m) 9s
Most Powerful 8PM (Tue 11th Aug)11ft (3.5m) 9s

Table - best surf conditions forecast for Navarro Rivermouth over the next 16 days.


The Lowdown

Alright, let’s get into it. The next couple of weeks are lookin’ pretty grim for Navarro Rivermouth. We’ve got a lot of swell on the way, but the wind’s gonna be all over it, and that rivermouth is gonna be a messy beast for most of the run. There’s a real gap at the start too, with nothin’ worth paddling out for until at least the middle of next week.

The first chance you might get will be Thursday afternoon, August 13th. It’s still not great, but it’s the least bad of the bunch. Swell’s coming from the NW at around 7ft, with a 10-second period. The wind will be light and onshore, which is a plus, but it’s still a marginal call. The water’s cold, too – about 52°F – and that’s a solid 5°F colder than normal for this time of year, so you’ll want the thick rubber. The combined energy at that point is still pretty solid, around 768, but it’s all gonna be a bit lumpy.

Before that, it’s just a write-off. We’ve got swell building from Saturday the 8th, but it’s all cross-onshore and chop. By Sunday the 9th, it’s up to 10ft with a 9-second period and a strong 1330 combined energy, but with 12 mph cross-onshore winds, it’s gonna be a washing machine. This is a river break, so it’s already fickle and inconsistent, and with that much west in the wind, it’s gonna be a mess. It’s not even worth thinkin’ about for paddle surfing. Maybe a kite could have some fun, but that’s about it.

The swell stays big and messy right through the start of the second week. Monday the 11th is still 10ft with a 1594 energy reading, but again, the wind is cross-onshore and it’s just poor. The period is short, 9 seconds, so it’s not got any real punch or shape to it. It’s just a lot of whitewater.

After that, the swell backs off a bit, but the wind stays on it. The morning of Wednesday the 13th is onshore but light, with 7ft of NW swell and a 10-second period. That’s a maybe. The afternoon looks a bit better wind-wise, also light onshore, same sort of swell. This is the standout, but only because everything else is so bad. It’s still a rivermouth, so it’s inconsistent, and it’s not gonna be perfect. But if you’re desperate, that’s your window.

The rest of that week is just more of the same – cross-onshore winds, lumpy 4ft to 6ft waves, all with that short 8-second period. Friday the 15th has a tiny glimpse of light onshore wind with 4ft, but it’s still poor. The whole run is one of those where you’re better off checkin’ the cams and savin’ your energy. The forecast is unreliable this far out, but as it stands, there’s only that one Thursday afternoon that’s even worth a look.

Stay patient. It won’t be like this forever.

Rusty

Short Range Forecast

Mostly dry. Very mild (max 15°C on Tue afternoon, min 11°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 16°C on Sat morning, min 11°C on Fri night). Wind will be generally light.

Tue
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
2
0
0
2
0
0
1
0
0
1
0
1
2
0
0
2
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
NW
9
1.4
NW
8
1.3
NW
9
1.3
NW
8
0.8
WNW
9
0.5
SW
13
0.5
SW
13
0.8
NW
8
0.5
SW
13
1.2
NW
7
1.7
NW
7
1.6
NW
8
2.4
NW
8
2.5
NW
8
2.5
NW
8
3
NW
9
3
NW
8
2.5
NW
8
3
NW
8
3
NW
8
Wave Graph
Metric surfscale
Energy kJ
427
264
275
224
93
88
84
69
79
147
311
292
728
916
953
1312
1141
899
1110
1009
Wind (km/h)
15
SSW
5
S
15
SW
15
SW
0
E
10
WNW
15
NW
5
N
10
WNW
15
NW
10
N
15
NW
15
NW
15
NNW
20
NW
20
NW
15
NNW
15
NW
20
NW
15
NNW
Wind State
cross-on
glassy
cross-on
cross-on
glassy
on
cross-on
glassy
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
High Tide
3:55PM1.75m
4:48AM1.14m
4:38PM1.81m
6:32AM1.09m
5:30PM1.86m
8:16AM1.14m
6:29PM1.91m
9:31AM1.24m
7:33PM1.98m
10:24AM1.35m
8:36PM2.04m
11:07AM1.45m
9:36PM2.09m
Low Tide
10:38PM0.37m
9:58AM0.65m
11:48PM0.24m
10:54AM0.82m
1:00AM0.09m
12:07PM0.95m
2:07AM-0.06m
1:25PM1.00m
3:07AM-0.20m
2:35PM0.97m
4:00AM-0.29m
3:37PM0.89m
4:48AM-0.34m
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:20
6:20
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:22
8:21
8:20
8:19
8:17
8:16
 mm
Temp °C
15
13
15
14
12
15
14
13
15
15
12
16
16
14
15
15
13
15
15
13
Feels °C
13
13
13
11
11
14
12
12
13
13
11
13
13
12
12
12
11
12
12
11
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  • 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 Navarro Rivermouth Surf forecast

The above surf forecast table for Navarro Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Navarro Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Navarro Rivermouth 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 (Navarro Rivermouth) 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 Navarro Rivermouth 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.

Navarro Rivermouth is 48 km (30 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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