Navarro Rivermouth Surf Break

Lat Long: 39.19° N 123.76° W

Navarro Rivermouth Surf Forecast and Surf Report

Issued: 10 am 26 Jul 2026 (local time)

Forecast update in  hr  min

Today's Navarro Rivermouth sea temperature is
13.4° C
0.3° 

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 26 Jul 2026:

  • Best quality surf: Friday 31 Jul, 5AM (local time) - 6ft (1.8m), 7s period, NW swell with cross-offshore winds.
  • Most powerful swell: Saturday 1 Aug, 8PM (local time) - 10ft (3.0m), 8s period, NW swell with 1,271 kJ wave energy.
  • Next surfable swell (1★+): Friday 31 Jul, 5AM (local time) - 6ft (1.8m), 7s 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 Friday (Jul 31) at 5AM. The primary swell is predicted to be 1.8m and 7s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Navarro Rivermouth in the next 16 days are 3.0m 8s and forecast to arrive on Saturday (Aug 01) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 18s period and expected on Monday (Jul 27) at 2PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 31st Jul)6ft (1.8m) 7s
Best Surf 5AM (Fri 31st Jul)6ft (1.8m) 7s
Most Powerful 8PM (Sat 1st Aug)10ft (3.0m) 8s

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


The Lowdown

Alright, let’s talk about what’s happening with the local surf. This is Rusty, and I got just one spot to talk about: Navarro Rivermouth. It’s a river mouth break, good for beginners, but it’s *inconsistent* and only *rarely breaks*, so you gotta be patient. Water temp is 56°F, which is pretty normal for this time of year, so a 4/3 wetsuit should be fine.

We’ve got a rough stretch ahead. From Sunday, July 26th to Friday, July 31st, it’s mostly a write-off. Winds are cross-onshore at 9 to 16 mph, making the surface choppy and messy. The swell is coming out of the NW, but it’s short period, only 5 to 8 seconds, so the energy is weak to moderate (61 to 640). The wave comment says *poor surf conditions* for all of them. No standouts here – it’s not a good time to be in the water.

Moving into the first weekend of August, Saturday the 1st and Sunday the 2nd, we get some size, with waves in the 7 to 10 ft range out of the NW, but the period is still short, just 7 to 9 seconds. The energy is strong (516 to 1264), but with the cross-onshore wind and those short periods, the quality is poor. The wave comment says *poor surf conditions*. For a river mouth, this is looking more like a kitesurfing day.

Then, from Monday the 3rd of August onwards, the wind starts to calm down. We’re looking at 6 mph winds from the WNW or W, sometimes becoming onshore or light cross-onshore. That’s much better. From Monday the 3rd through Thursday the 6th, the swell is 7 to 7 ft from the NW, with the period stretching to 8 to 10 seconds. The energy is moderate to strong (635 to 995). The wave comment changes to *marginal surf forecast or questionable tide conditions*. Not perfect, but way better than the week before. Still not the highlight, but it’s a step in the right direction.

Now, the one to watch is Monday the 10th of August. The swell is predicted at a solid 12 ft from the NW, with a 9-second period. The wind is a gentle 9 mph from the NW, but it’s cross-onshore. The energy is massive, 1809 – that’s a very strong system. The wave comment says *wind and tide favorable, but the swell is predicted to be too big for this break*. For a river mouth, that’s expert-level size. The period is a bit short for waves that size, but the energy is there. If you’re an experienced surfer, it could be a wild session, but it might be too much for the break to handle. It’s the best on offer, but it’s a long way out, so keep an eye on the forecasts.

Bottom line: the first week is pretty much a bust. The second week gets better, especially when the wind calms down. The 10th of August is the one that could be a standout, but only for the brave. Otherwise, keep your expectations low.

- Rusty

Short Range Forecast

Mostly dry. Very mild (max 16°C on Tue afternoon, min 12°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 16°C on Thu afternoon, min 11°C on Wed night). Wind will be generally light.

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
NW
8
1.1
NW
5
1.3
NW
6
1.1
NW
6
1.7
NW
6
0.9
SW
16
1.5
NW
6
2.2
NW
7
2
NW
6
1.8
NW
7
2.4
NW
8
2.2
NW
8
1.9
NW
7
2.3
NW
7
2
NW
7
1.7
NW
7
2.2
NW
7
2.3
NW
7
2.2
NW
7
3
NW
8
2.5
NW
8
Wave Graph
Metric surfscale
Energy kJ
129
61
115
73
203
376
146
423
325
290
640
535
375
508
389
271
503
550
516
1079
906
Wind (km/h)
15
NW
20
NNW
5
NNW
15
NW
20
NNW
10
N
20
NW
25
NNW
15
N
25
NW
25
NNW
15
NNW
25
NW
20
NW
10
N
15
NW
20
NW
10
N
25
NNW
25
NNW
15
NNW
Wind State
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
High Tide
11:35AM1.33m
9:31PM1.81m
12:07PM1.37m
10:13PM1.84m
12:36PM1.39m
10:52PM1.85m
1:02PM1.42m
11:31PM1.83m
1:27PM1.46m
00:10AM1.79m
1:53PM1.51m
00:50AM1.70m
2:19PM1.56m
1:34AM1.58m
Low Tide
3:50PM1.01m
4:56AM-0.10m
4:32PM0.98m
5:29AM-0.13m
5:09PM0.95m
6:00AM-0.14m
5:46PM0.90m
6:30AM-0.13m
6:23PM0.85m
7:00AM-0.09m
7:03PM0.78m
7:30AM-0.01m
7:47PM0.70m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
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>
6:09
6:09
6:11
6:11
6:13
6:13
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:31
8:30
8:30
8:30
8:29
8:28
8:27
 mm
Temp °C
15
15
14
15
15
14
15
16
15
15
15
14
14
16
13
15
15
14
15
16
15
Feels °C
13
12
12
13
11
11
12
12
12
12
11
11
10
13
10
12
11
12
11
12
11
  • Map Icons:
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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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