Surf Forecasts:
Rincon - Rivermouth surf forecast from 10 Sep 2026:
- Best quality surf: Thursday 10 Sep, 2AM (local time) - 1.5ft (0.5m), 17s period, SW swell with offshore winds.
- Most powerful swell: Sunday 13 Sep, 8PM (local time) - 6ft (1.8m), 7s period, WNW swell with 285 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 2AM (local time) - 1.5ft (0.5m), 17s period with SW swell.
Best Forecast Surf Conditions for Rincon - Rivermouth this week:
The surf forecast for Rincon - Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 10) at 2AM. The primary swell is predicted to be 0.5m and 17s period with a secondary swell of 0.4m and 8s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Rincon - Rivermouth in the next 16 days are 1.8m 7s and forecast to arrive on Sunday (Sep 13) at 8PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Friday (Sep 11) at 11PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Thu 10th Sep) | 1.5ft (0.5m) 17s |
| Best Surf | 2AM (Thu 10th Sep) | 1.5ft (0.5m) 17s |
| Most Powerful | 8PM (Sun 13th Sep) | 6ft (1.8m) 7s |
Table - best surf conditions forecast for Rincon - Rivermouth over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s break down what’s in store over the next couple weeks. Mostly small and slow, but there’s a nice late window that could save the run.
Right out of the gate, it’s a slow start. The first few days have tiny waves and on-and-off winds that make it tough to get anything decent. Thursday the 10th and Friday the 11th show a little bit of swell, but the wind is crossing up and the tide windows look off. The combined energy is weak, in the low hundreds (168 to 279), with swell around 2ft to 2ft from the SW, but with long periods up to 17 seconds. At a point break like Rincon - Rivermouth, that long period is good for shape, but there’s just not enough size to make it count, and the wind isn’t helping.
From Monday the 14th through Thursday the 17th, it goes flat. Swell drops even smaller, combined energy sinks below 100 on some afternoons, and nearly every report is either poor or just ordinary. Water temp is very warm at 70°—that’s 6° above normal for this time of year, which is really unusual.
The real highlight comes in from Friday the 18th of September through Monday the 21st. The swell stays small at 1ft to 2ft from the SW, but the wind turns clean and offshore, with WSW to SW breezes at just 6 mph. The water’s going to be glassy. The combined energy builds back into the mid-200s to low 300s (252 to 324). For a spot like Rincon - Rivermouth, which really lines up with a WNW swell, these waves will be small but super clean. It won’t be big, but for a cruise on a longboard or a fun, mellow session, this is the best of the whole stretch. It’s fairly consistent here, and crowds are often around, so expect some company.
After the 22nd, it drops back into weak energy and ordinary conditions. Your best move is to point the car toward that Friday the 18th through Monday the 21st window.
Rusty
Short Range ForecastMostly dry. Warm (max 30°C on Wed night, min 23°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Sun afternoon, min 20°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||
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 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SSW 14 | SW 14 | W 9 | WNW 6 | WNW 9 | W 9 | W 9 | WNW 9 | WNW 9 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 143 | 232 | 206 | 198 | 193 | 137 | 104 | 103 | 81 | 50 | 154 | 225 | 265 | 173 | 94 | 132 | 101 | 66 | 46 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | cross-off | glassy | cross | cross | glassy | cross | cross-off | glassy | cross | cross | cross-off | cross | cross-off | cross-on | cross-on | cross-on | glassy |
High Tide | 9:00PM1.90m | 9:59AM1.54m | 9:44PM1.81m | 10:27AM1.62m | 10:28PM1.66m | 10:55AM1.68m | 11:12PM1.49m | 11:24AM1.69m | 00:00AM1.30m | 11:53AM1.66m | 00:55AM1.12m | 12:23PM1.60m | 2:11AM0.97m | ||||||
Low Tide | 3:42AM-0.17m | 3:40PM0.29m | 4:12AM-0.06m | 4:25PM0.20m | 4:41AM0.09m | 5:09PM0.16m | 5:08AM0.27m | 5:55PM0.16m | 5:34AM0.45m | 6:45PM0.19m | 5:57AM0.63m | 7:43PM0.24m | |||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:39 | — | — |
 | — | — | 7:12 | — | — | 7:09 | — | — | 7:08 | — | — | 7:07 | — | — | 7:06 | — | — | 7:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 30 | 30 | 28 | 29 | 28 | 26 | 26 | 26 | 24 | 26 | 27 | 23 | 25 | 25 | 22 | 24 | 25 | 21 |
Feels °C | 31 | 32 | 31 | 29 | 30 | 29 | 28 | 26 | 26 | 25 | 25 | 26 | 22 | 24 | 23 | 22 | 23 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 16 | WNW 5 | W 6 | W 5 | SW 15 | W 6 | SSW 14 | SW 14 | W 9 | SW 13 | WNW 9 | W 9 | W 9 | WNW 9 | WNW 9 | W 8 | W 8 |
| kJ | 143 | 232 | 206 | 43 | 30 | 36 | 104 | 43 | 81 | 50 | 154 | 45 | 265 | 173 | 94 | 132 | 101 | 66 | 46 |
Swell 2 Height (m) Direction Period (s) | SSW 8 | W 5 | W 5 | SW 16 | SW 16 | SW 15 | WSW 15 | SW 14 | WSW 13 | WSW 12 | SW 13 | SW 19 | SW 13 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SSW 15 |
| kJ | 20 | 12 | 18 | 198 | 193 | 137 | 42 | 103 | 35 | 29 | 46 | 58 | 27 | 48 | 48 | 47 | 40 | 39 | 42 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SW 9 | SSW 7 | S 10 | W 16 | WSW 12 | WSW 14 | S 9 | S 9 | S 8 | S 8 | SW 19 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 20 | SW 16 |
| kJ | 48 | 28 | 13 | 5 | 9 | 21 | 14 | 36 | 7 | 15 | 6 | 6 | 57 | 17 | 16 | 15 | 14 | 38 | 40 |
Wind waves Height (m) Direction Period (s) | WNW 5 | — | — | WNW 5 | — | WNW 5 | W 5 | — | W 6 | WNW 6 | WNW 5 | WNW 6 | WNW 6 | — | W 3 | — | SE 3 | — | — |
| kJ | 29 | — | — | 90 | — | 49 | 42 | — | 64 | 83 | 30 | 225 | 82 | — | 2 | — | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 34 | 0 | 0 | 110 | 34 | 0 | 108 | 0 | 0 | 76 | 34 | 0 | 32 | 0 | 0 | 34 | 20 |
Best forecast wave conditions in Ventura County | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Rincon - Rivermouth Surf forecast
The above surf forecast table for Rincon - Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rincon - Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Rincon - 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 (Rincon - 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 Rincon - 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.
Rincon - Rivermouth is 19 km (12 miles) from the city of Santa Ana. If you plan a vacation in Ventura County, look for hotels and other accommodation in Santa Ana. Santa Ana has rooms for a wide range of budgets as well as car hire and transport links.
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