Surf Forecasts:
Navarro Rivermouth surf forecast from 2 Sep 2026:
- Best quality surf: Thursday 3 Sep, 5PM (local time) - 6ft (1.8m), 10s period, WNW swell with glassy winds.
- Most powerful swell: Friday 4 Sep, 2AM (local time) - 6.5ft (2.0m), 11s period, NW swell with 952 kJ wave energy.
- Next surfable swell (1★+): Thursday 3 Sep, 2AM (local time) - 5.5ft (1.7m), 8s period with W 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 Thursday (Sep 03) at 2AM. The primary swell is predicted to be 1.7m and 8s period with a secondary swell of 0.6m and 16s. 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 2.0m 11s and forecast to arrive on Friday (Sep 04) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 16s period and expected on Saturday (Sep 05) at 8AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 3rd Sep) | 5.5ft (1.7m) 8s |
| Best Surf | 5PM (Thu 3rd Sep) | 6ft (1.8m) 10s |
| Most Powerful | 2AM (Fri 4th Sep) | 6.5ft (2.0m) 11s |
Table - best surf conditions forecast for Navarro Rivermouth over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's talk about what's on the table for the Navarro Rivermouth area over the next couple of weeks. I'm looking at a pretty grim picture, to be honest. There’s not much to get excited about, and a lot of the time the conditions are just plain messy.
The first chance we get is on Wednesday, 2nd September, but don't get your hopes up. It's small, with a messy 2ft to 3.5ft swell from the SW and W, but the wind is a 12 mph cross-breeze from the S and SSW, chopping everything up. The water is sitting at a very unusual 53.2°, a massive 5.4° colder than normal. It’s a rough start.
We wait through a few more poor days until Thursday, 3rd September afternoon, which looks like our only real standout. The swell picks up to a clean 6ft from the WNW with a 10-second period, and the wind goes glassy from the WSW at just 3 mph. The combined wave energy is moderate, hitting 813. That’s as good as it gets for paddle surfing. The morning of the 4th has a bit of size at 6.2ft from the NW with light offshore wind, but the conditions are still marked as marginal.
After that, it’s a wasteland. From the 5th right through to the 17th of September, nearly every session is marked by poor surf conditions. The wind is almost always cross-onshore or onshore, from the NW or NNW, keeping things choppy and ugly. The swell energy is weak for a lot of it. There is a consistent run of NW swell from the 14th onwards, with sizes around 4ft to 7ft and energy levels hitting over 1000 (like 1057 on the 14th afternoon, and 1001 on the 15th afternoon), but the wind is relentless. It's either a fresh cross-breeze at 19 mph or a moderate cross-onshore, making it choppy and lumpy. That kind of setup, with significant swell and strong cross-wind at a rivermouth, looks far more interesting for the kite crew than us paddle surfers.
Honestly, if you’re desperate, that glassy window on Thursday afternoon, 3rd September is your one shot. After that, you’re looking at a 13-day gap of nothing but chop. It ain't looking good.
Short Range ForecastLight rain (total 8mm), mostly falling on Wed night. Very mild (max 17°C on Wed morning, min 12°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 15°C on Sat morning, min 11°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 18 | W 9 | W 8 | SW 19 | WNW 10 | NW 11 | NW 11 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 7 | NW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 246 | 190 | 386 | 528 | 627 | 952 | 819 | 580 | 450 | 266 | 235 | 225 | 109 | 172 | 164 | 139 | 127 | 134 | 106 | 86 | 81 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross | glassy | cross-off | on | cross-on | cross-off | cross-on | cross-on | cross-off | on | cross-on | glassy | cross-on | cross-on | cross-off | on | cross-on | cross |
High Tide | 3:08PM1.82m | 5:08AM1.18m | 4:00PM1.83m | 6:50AM1.19m | 5:03PM1.83m | 8:14AM1.27m | 6:14PM1.84m | 9:11AM1.37m | 7:27PM1.87m | 9:55AM1.47m | 8:34PM1.91m | 10:33AM1.56m | 9:34PM1.94m | ||||||||
Low Tide | 8:43AM0.72m | 10:10PM0.14m | 9:34AM0.88m | 11:23PM0.09m | 10:47AM1.00m | 00:40AM0.02m | 12:15PM1.04m | 1:50AM-0.05m | 1:36PM0.98m | 2:50AM-0.12m | 2:42PM0.86m | 3:40AM-0.14m | 3:39PM0.71m | 4:24AM-0.12m | |||||||
 |  |  | |  |  |  | | | | | | | | | | | | | | | |
 | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — |
 | — | 7:44 | — | — | 7:43 | — | — | 7:40 | — | — | 7:38 | — | — | 7:37 | — | — | 7:36 | — | — | 7:35 | — |
mm | — | — | 7 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 15 | 15 | 16 | 15 | 14 | 15 | 15 | 14 | 15 | 15 | 13 | 14 | 14 | 14 | 15 | 14 | 14 | 16 | 16 | 13 |
Feels °C | 15 | 12 | 13 | 16 | 15 | 15 | 13 | 13 | 13 | 14 | 13 | 12 | 12 | 11 | 12 | 13 | 13 | 14 | 14 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | W 9 | W 8 | WNW 10 | WNW 10 | NW 11 | NW 11 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | SSW 15 | NW 9 | NW 7 | NW 7 | SSE 14 | NW 6 | NW 6 | NW 7 | S 12 |
| kJ | 145 | 190 | 386 | 528 | 627 | 952 | 819 | 580 | 450 | 266 | 235 | 225 | 411 | 172 | 164 | 139 | 431 | 134 | 106 | 86 | 377 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SSW 12 | SW 16 | SW 19 | S 12 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | NW 9 | SSW 15 | SSE 14 | SSE 14 | SSW 14 | S 14 | S 13 | S 13 | NW 6 |
| kJ | 246 | 87 | 216 | 518 | 184 | 553 | 651 | 464 | 651 | 575 | 457 | 519 | 109 | 305 | 258 | 431 | 217 | 501 | 361 | 345 | 81 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SW 16 | SSW 13 | S 13 | SW 15 | S 11 | SSW 13 | SSW 14 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | NW 6 | SSE 15 | SSW 14 | SSW 14 | WNW 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 89 | 130 | 60 | 117 | 186 | 121 | 133 | 163 | 145 | 106 | 107 | 66 | 31 | 225 | 264 | 180 | 57 | 118 | 120 | 102 | 67 |
Wind waves Height (m) Direction Period (s) | SSW 3 | — | SE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 7 | — | — | — | — |
| kJ | 4 | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 127 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 23 | 32 | 0 | 23 | 0 | 0 | 98 | 194 | 0 | 147 | 290 | 0 | 147 | 290 | 0 | 73 | 42 | 0 | 72 | 147 | 13 |
Best forecast wave conditions in Mendocino County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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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