Navarro Rivermouth Surf Break

Lat Long: 39.19° N 123.76° W

Issued: 10 am 02 Jul 2026 (local time)

Forecast update in  hr  min

Today's Navarro Rivermouth sea temperature is
11.2° C

2.0°C colder than average for this time of year

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 2 Jul 2026:

  • Best quality surf: Friday 3 Jul, 2AM (local time) - 7ft (2.1m), 8s period, NW swell with glassy winds.
  • Most powerful swell: Thursday 9 Jul, 5PM (local time) - 10ft (3.0m), 9s period, NW swell with 1,339 kJ wave energy.
  • Next surfable swell (1★+): Friday 3 Jul, 2AM (local time) - 7ft (2.1m), 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 Friday (Jul 03) at 2AM. The primary swell is predicted to be 2.1m and 8s period with a secondary swell of 0.6m and 15s. 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 3.0m 9s and forecast to arrive on Thursday (Jul 09) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 16s period and expected on Wednesday (Jul 08) at 5PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Fri 3rd Jul)7ft (2.1m) 8s
Best Surf 2AM (Fri 3rd Jul)7ft (2.1m) 8s
Most Powerful 5PM (Thu 9th Jul)10ft (3.0m) 9s

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


Updates in  hr  min  s Forecast update imminent

Alright folks, let's look at what we've got for the next couple of weeks at the rivermouth. It's a tough nut to crack, and for the first week or so, it's not looking pretty.

Starting July 2nd, we do have some swell, but the conditions are just off. The water is sitting at 52°F, which is a full 4°F colder than average for July—a real shock to the system. The wind's been cross-onshore, and the surf quality is just being called poor, so don't get your hopes up.

The main problem is a stubborn cross-onshore breeze that’s spoiling everything. Thursday the 2nd has 7ft NW swell, but that cross-on wind is chopping it up all day. Friday the 3rd through Monday the 7th sees the wind shifting onshore or cross-onshore, with swell holding around 5ft to 7ft – all of it getting wrecked. It’s a long run of "poor conditions" with the combined swell energy in the moderate range (366 to 587), but it just doesn't matter with that wind.

We get a big spike on Thursday, July 9th, but it’s still messy. The swell jumps to 8ft in the morning and a solid 10ft by afternoon, with the combined energy hitting the strong zone (1339). But with a moderate cross-onshore and a period around 8 to 9 seconds at a river mouth, it’s going to be a chaotic mess. That size is for experts only, and the quality is still poor.

From July 10th to the 13th, it's more of the same—cross-onshore winds, moderate swell (6ft to 8ft), and general disappointment. The only tiny flicker is around July 12th and 13th when we get a brief onshore wind window, but it's still just marginal.

Now, way out in the second week, things change character completely. On July 15th we get a late spike to 8ft again, but with a short 7-second period – that’s gonna be a fat, crumbly mess. Then on July 16th and 17th, everything shifts. The swell drops way down to just 3ft, but the period goes very long – 16 to 18 seconds. That’s proper groundswell. The wind also goes light and onshore, which could mean smooth, clean surf. For a river mouth, a long period NW swell can be tricky as it might run straight, but if the bank is on song, those long lines could be a lot of fun on a longboard. The combined energy is still moderate (630 to 953), but it's a totally different, more delicate opportunity.

So, what’s the pick? Honestly, the only real standout window is at the very end of the forecast. Thursday July 16th and Friday July 17th are your best bet for clean, manageable conditions. The 3ft swell with a 17-18 second period, plus a light onshore wind that could go glassy, is your only real chance for a clean session. It won't be big, but it'll be miles better than the choppy junk of the first week. If you can wait, that's your time. The 10ft day on the 9th is there for the adrenaline junkies, but it’s a gamble with the wind and chop.

There’s a long dry spell to start, nearly a week of nothing much, then a different, smaller, cleaner option right at the end. No classic days, just a couple of quiet windows for a peaceful paddle. Keep an eye on it, the forecast can always change.

Rusty.

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 4-6 Weather Summary

Mostly dry. Very mild (max 12°C on Sun morning, min 9°C on Tue night). Wind will be generally light.

Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
3
0
0
2
1
1
2
0
0
3
0
0
1
0
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
NW
9
2.1
NW
8
2.1
NW
8
1.8
NW
8
2
NW
8
2
NW
8
1.8
NW
8
1.8
NW
8
1.9
NW
8
1.8
NW
8
1.7
NW
8
1.8
NW
8
1.7
NW
8
1.8
NW
8
2.1
NW
8
1.6
NW
7
1.8
NW
7
2.1
NW
7
1.8
NW
6
2.1
NW
7
2.3
NW
7
Wave Graph
Metric surfscale
Energy kJ
730
555
489
403
444
432
403
424
470
457
398
479
398
413
477
285
301
428
244
386
589
Wind (km/h)
10
WSW
15
NW
5
N
10
WNW
15
NW
5
NNW
10
W
10
W
5
SW
15
SW
10
WNW
0
SE
15
WNW
20
NW
10
NNW
15
NW
20
NW
10
N
20
NW
20
NW
20
NNW
Wind State
cross-on
cross-on
glassy
on
cross-on
glassy
on
on
glassy
cross-on
on
glassy
on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross
High Tide
2:45PM1.38m
1:02AM1.68m
3:15PM1.42m
1:44AM1.58m
3:46PM1.47m
2:32AM1.44m
4:18PM1.54m
3:30AM1.30m
4:51PM1.62m
4:44AM1.15m
5:29PM1.70m
6:18AM1.05m
6:11PM1.80m
Low Tide
7:25PM0.96m
8:04AM-0.15m
8:12PM0.92m
8:39AM-0.06m
9:07PM0.85m
9:15AM0.06m
10:08PM0.74m
9:54AM0.21m
11:15PM0.58m
10:38AM0.39m
00:22AM0.38m
11:28AM0.58m
1:26AM0.16m
clear
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
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
5:54
5:54
5:54
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:45
8:44
8:44
8:44
8:44
8:44
8:43
 mm
Temp °C
11
12
12
13
13
12
13
12
11
12
12
11
12
12
11
12
12
11
13
14
12
Feels °C
11
10
11
11
10
11
11
10
10
9
10
9
10
9
9
9
8
8
10
10
9
Swell 1
Height (m)
Direction
Period (s)
2.2
NW
9
0.7
SW
15
0.6
SW
15
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
1.7
NW
8
1.8
NW
8
1.7
NW
8
0.8
SSW
16
0.8
SSW
20
0.8
SSW
20
0.9
SSW
18
1
SSW
18
0.9
SSW
18
1.1
SSW
16
0.9
SSW
16
Energy kJ
730
232
174
403
209
288
403
424
470
457
398
479
398
330
432
485
531
651
491
667
452
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
16
0.3
SSW
18
0.6
SSW
18
0.6
SSW
14
0.3
WNW
15
0.4
NW
14
0.6
SSW
14
0.7
SSW
14
0.8
SSW
14
0.6
SSW
18
0.8
SSW
18
0.8
WNW
13
0.8
WNW
12
0.8
WNW
12
0.7
NW
11
0.7
SW
16
0.6
SSW
14
0.6
SSW
15
0.6
SSW
15
0.4
S
20
0.4
SSW
13
Energy kJ
203
65
246
140
42
48
129
183
239
216
395
206
180
174
128
255
140
142
144
119
70
Swell 3
Height (m)
Direction
Period (s)
0.4
SSW
19
0.2
WNW
16
0.2
WNW
15
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
14
0.5
WNW
13
0.6
SSW
18
0.7
SSW
17
0.5
SSW
21
0.7
SSW
16
0.6
WNW
11
0.6
WNW
11
0.2
S
21
0.2
S
11
0.4
S
19
Energy kJ
125
26
22
56
9
89
71
216
86
134
101
207
246
260
226
81
78
35
9
117
Wind waves
Height (m)
Direction
Period (s)
2.1
NW
8
2.1
NW
8
2
NW
8
2
NW
8
1.8
NW
8
2.1
NW
8
1.6
NW
7
1.8
NW
7
2.1
NW
7
1.8
NW
6
2.1
NW
7
2.3
NW
7
Energy kJ
555
489
444
432
413
477
285
301
428
244
386
589
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
2
2
2
2
3
2
3
2
3
2
1
3
4
1
3
3
1
3
Distance (km)
73
72
0
73
95
0
73
95
0
44
290
0
147
291
13
116
291
13
171
291
72
Best forecast wave conditions in Mendocino County
Rating
(10 max)
3
4
4
3
3
4
4
3
Best forecast wave conditions in United States
Rating
(10 max)
3
3
4
3
2
4
2
3
4
3
2
3
3
2
4
4
2
4
4
2
4
Header Global
Rating
(10 max)
9
5
9
5
5
6
5
9
7
5
8
9
8
6
8
9
6
9
5
5
9
  • 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 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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