Surf Forecasts:
Rincon - Rivermouth surf forecast from 16 Aug 2026:
- Best quality surf: Monday 17 Aug, 2AM (local time) - 2.5ft (0.7m), 15s period, SSW swell with glassy winds.
- Most powerful swell: Sunday 16 Aug, 2PM (local time) - 2.5ft (0.7m), 15s period, SSW swell with 199 kJ wave energy.
- Next surfable swell (1★+): Sunday 16 Aug, 5PM (local time) - 2.5ft (0.7m), 15s period with SSW 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 Sunday (Aug 16) at 5PM. The primary swell is predicted to be 0.7m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Rincon - Rivermouth in the next 16 days are 0.7m 15s and forecast to arrive on Sunday (Aug 16) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Tuesday (Aug 18) at 2AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Sun 16th Aug) | 2.5ft (0.7m) 15s |
| Best Surf | 2AM (Mon 17th Aug) | 2.5ft (0.7m) 15s |
| Most Powerful | 2PM (Sun 16th Aug) | 2.5ft (0.7m) 15s |
Table - best surf conditions forecast for Rincon - Rivermouth over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s size this one up proper in feet and all.
This is a long-range view of Rincon - Rivermouth. The water’s 70°, and it’s running 4° above the norm – that’s a warm anomaly, so don’t bother with too much rubber.
The first few days are a slow start. Sunday the 16th has a 2ft SSW swell with a 16-second period and light cross-shore wind, but the energy is moderate (222) and the direction is off-optimum for the point. It’s clean but not really connecting.
The best early window hits Tuesday the 18th. Morning shows 2ft from the SSW, 16-second period, clean conditions, light cross-offshore breeze, and energy at 231. The point will barely be working with that size, but it’s the best shape of the first week.
From Wednesday the 19th through to the 22nd, it’s small stuff – swells between 1ft and 3ft, periods of 13 to 16 seconds, and some clean windows thanks to light winds. Paddling out won’t be a problem, but don’t expect much to ride.
Then we hit a big dry spell. The 23rd and 24th are flat, with energy dropping to 84 and even 45. The 23rd afternoon has a 0.9ft swell with an 18-second period – that’s a long-period groundswell but with almost no height. It’s basically a ripple event.
The 27th is a write-off – a 2ft windswell from the west with only a 5-second period and 28 energy. That’s strictly for kites, not paddle boards.
The best shot of the whole 16 days is the morning of Friday, the 28th. We’ve got 2ft from the SSW, 16-second period, clean conditions with a gentle cross-offshore breeze, and energy of 211. It’s small, but at Rincon, that period and direction with clean wind will give you some proper arcing rights.
The final weekend of August (29th and 30th) shows a consistent 2ft SSW swell, period holding at 15-16 seconds. Saturday morning energy hits 295 – the highest reading of the whole forecast – but it’s cross-shore, so quality is marginal. Sunday afternoon cleans up nicely with 243 energy and a cross-offshore wind.
If you’ve got a longboard and patience, the window from the 28th onward is your best bet. Rincon pulls a crowd on any day that looks even half decent, so expect company.
Rusty out.
Short Range ForecastMostly dry. Warm (max 29°C on Tue morning, min 23°C on Sun morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 30°C on Wed morning, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||
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) | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 16 | W 8 | WNW 8 | SSW 15 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | WNW 6 | WNW 9 | W 8 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 215 | 191 | 188 | 142 | 140 | 138 | 146 | 84 | 120 | 131 | 140 | 94 | 118 | 120 | 79 | 59 | 58 | 43 | 103 | 90 | 73 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | glassy | cross | cross-off | glassy | cross-off | cross-off | glassy | cross | cross-off | glassy | cross | cross-off | glassy | cross-off | cross-off | glassy | cross-off | cross-off | glassy |
High Tide | 12:57PM1.55m | 1:05AM1.23m | 1:34PM1.53m | 2:15AM1.01m | 2:17PM1.50m | 4:14AM0.87m | 3:11PM1.46m | 7:35AM0.92m | 4:22PM1.44m | 8:33AM1.02m | 5:36PM1.48m | 8:56AM1.09m | 6:36PM1.55m | ||||||||
Low Tide | 7:15PM0.39m | 6:58AM0.40m | 8:24PM0.40m | 7:27AM0.60m | 9:51PM0.39m | 7:55AM0.78m | 11:27PM0.32m | 8:38AM0.92m | 00:43AM0.21m | 11:05AM0.99m | 1:36AM0.10m | 12:32PM0.96m | 2:16AM0.01m | ||||||||
 | |  |  | | | | | | | | | | | | | | | | | | |
 | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | — | 7:44 | — | — | 7:43 | — | — | 7:42 | — | — | 7:40 | — | — | 7:38 | — | — | 7:37 | — | — | 7:37 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 24 | 27 | 28 | 26 | 29 | 29 | 27 | 30 | 29 | 27 | 30 | 30 | 27 | 30 | 30 | 27 | 30 | 31 | 28 |
Feels °C | 26 | 25 | 24 | 26 | 27 | 26 | 28 | 29 | 28 | 30 | 29 | 28 | 30 | 30 | 27 | 30 | 30 | 27 | 30 | 31 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 15 | W 5 | W 5 | SSW 14 | W 6 | WNW 8 | W 8 | WNW 8 | W 8 | W 7 | W 6 | W 8 | W 8 | W 6 | W 7 | W 7 | WNW 6 | WNW 9 | SSW 15 | W 6 |
| kJ | 215 | 191 | 34 | 29 | 140 | 91 | 85 | 84 | 99 | 60 | 40 | 41 | 43 | 43 | 27 | 39 | 23 | 43 | 103 | 43 | 64 |
Swell 2 Height (m) Direction Period (s) | WNW 5 | S 10 | SSW 15 | SSW 15 | W 10 | SSW 14 | SSW 16 | SSW 14 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 15 |
| kJ | 7 | 9 | 188 | 142 | 7 | 138 | 146 | 71 | 120 | 131 | 140 | 94 | 118 | 120 | 79 | 59 | 58 | 34 | 29 | 29 | 73 |
Swell 3 Height (m) Direction Period (s) | S 10 | W 10 | W 10 | W 10 | S 18 | S 18 | S 9 | SSW 17 | S 9 | WNW 14 | WNW 14 | SSW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | SSE 10 | SSE 10 | WNW 8 |
| kJ | 8 | 8 | 8 | 7 | 25 | 25 | 2 | 55 | 2 | 20 | 18 | 34 | 32 | 27 | 27 | 22 | 23 | 22 | 10 | 10 | 24 |
Wind waves Height (m) Direction Period (s) | — | W 5 | WNW 5 | WNW 5 | W 6 | WNW 6 | — | — | WNW 5 | — | WNW 2 | — | — | — | — | — | — | — | — | W 8 | WNW 5 |
| kJ | — | 21 | 53 | 36 | 40 | 124 | — | — | 35 | — | 1 | — | — | — | — | — | — | — | — | 90 | 97 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 0 | 0 | 34 | 0 | 0 | 0 | 0 | 0 | 117 | 0 | 0 | 117 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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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