Surf Forecasts:
Rincon - Rivermouth surf forecast from 11 Aug 2026:
- Best quality surf: Friday 14 Aug, 5AM (local time) - 1.5ft (0.5m), 15s period, SW swell with glassy winds.
- Most powerful swell: Saturday 15 Aug, 5AM (local time) - 2.5ft (0.8m), 17s period, SSW swell with 373 kJ wave energy.
- Next surfable swell (1★+): Monday 10 Aug, 11PM (local time) - 1.5ft (0.4m), 13s 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 Monday (Aug 10) at 11PM. The primary swell is predicted to be 0.4m and 13s period with a secondary swell of 0.3m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Rincon - Rivermouth in the next 16 days are 0.8m 17s and forecast to arrive on Saturday (Aug 15) at 5AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Monday (Aug 17) at 8PM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 10th Aug) | 1.5ft (0.4m) 13s |
| Best Surf | 5AM (Fri 14th Aug) | 1.5ft (0.5m) 15s |
| Most Powerful | 5AM (Sat 15th Aug) | 2.5ft (0.8m) 17s |
Table - best surf conditions forecast for Rincon - Rivermouth over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's look at what we've got coming up for our local stretch.
First things first, the water is running much warmer than normal for this time of year at 70°, which is a solid 7° above the average. You won't need the thickest wetsuit, that's for sure.
The next 16 days are looking pretty slim overall. We’ve got a long run of small, marginal surf with only a few windows where things clean up enough to be worth a paddle. The overall energy is weak, mostly sitting under that 100 mark for long stretches, which tells you it's gonna be a grovel most of the time.
The standout session arrives on Saturday, August 15th afternoon at Rincon - Rivermouth. The wind shifts nicely to a light cross-off breeze from the WSW at only 6 mph, which will have the place looking glassy. The swell is a tiny 3 ft from the SSW with a moderate 16-second period, giving it some push for the size. The combined energy is a solid but still modest 328, making it the peak of the whole window. It’s fairly consistent here, though expect it to be often crowded. This is your window for a clean, longboard-style session where the line-up will be chatty.
Sunday, August 16th afternoon is the next best call. Again, a light cross-off at Rincon - Rivermouth, with 2 ft of SSW swell keeping things rideable. The combined energy drops to 225, but the clean conditions will make up for it.
After that, it gets lean again. The morning of Tuesday, August 18th and Wednesday, August 19th offer clean cross-off winds and manageable 2 ft swell, but the energy is just okay. Keep an eye on Wednesday afternoon, the 19th, as the swell bumps up to 5 ft from the WNW—but it’s a short-period 6-second windswell, so it’ll be soft and choppy, not really the good stuff despite the bigger number.
Honestly, if you’ve got a busy schedule, don't stress about missing much. The first week is a write-off with minimal energy and poor conditions or just surfable but ordinary waves. Focus on that Saturday the 15th and maybe the Sunday. The rest is just grins for the patient.
Rusty
Short Range ForecastMostly dry. Warm (max 28°C on Mon afternoon, min 19°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Sat afternoon, min 19°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||
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 20 | SW 19 | SSW 13 | SW 18 | SSW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SSW 19 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 15 | SW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 60 | 96 | 56 | 80 | 121 | 72 | 127 | 125 | 122 | 118 | 115 | 140 | 124 | 174 | 229 | 326 | 318 | 245 | 217 | 214 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross | cross-off | glassy | cross | cross-off | glassy | cross | cross-off | glassy | cross-on | cross-off | glassy | cross | cross-off | glassy | cross | cross-off | glassy |
High Tide | 8:15PM2.09m | 10:06AM1.25m | 9:05PM2.11m | 10:39AM1.34m | 9:53PM2.05m | 11:13AM1.42m | 10:38PM1.91m | 11:47AM1.49m | 11:24PM1.71m | 12:21PM1.53m | 00:11AM1.48m | 12:57PM1.55m | 1:05AM1.23m | |||||||
Low Tide | 3:36AM-0.42m | 2:50PM0.59m | 4:15AM-0.41m | 3:41PM0.49m | 4:51AM-0.33m | 4:31PM0.42m | 5:25AM-0.20m | 5:23PM0.38m | 5:58AM-0.02m | 6:16PM0.38m | 6:29AM0.18m | 7:15PM0.39m | ||||||||
 |  |  | | | |  | | | | | | | | | | | | | | |
 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — |
 | 7:51 | — | — | 7:50 | — | — | 7:49 | — | — | 7:46 | — | — | 7:45 | — | — | 7:45 | — | — | 7:44 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 23 | 26 | 27 | 23 | 25 | 26 | 21 | 23 | 24 | 19 | 23 | 24 | 20 | 24 | 25 | 22 | 25 | 26 | 23 |
Feels °C | 29 | 25 | 27 | 27 | 23 | 25 | 27 | 22 | 23 | 24 | 20 | 23 | 24 | 21 | 24 | 25 | 22 | 24 | 25 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SW 18 | SSW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SSW 18 | W 4 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 15 | SW 14 |
| kJ | 59 | 68 | 56 | 80 | 121 | 72 | 127 | 125 | 122 | 118 | 115 | 104 | 124 | 14 | 229 | 326 | 318 | 245 | 217 | 214 |
Swell 2 Height (m) Direction Period (s) | SW 20 | WNW 10 | WNW 9 | SSW 12 | SSW 12 | WNW 9 | S 11 | S 11 | S 11 | WNW 8 | WNW 7 | SSW 19 | SW 14 | SSW 18 | WNW 4 | S 11 | W 5 | W 5 | S 10 | WNW 10 |
| kJ | 60 | 18 | 15 | 29 | 28 | 16 | 39 | 37 | 37 | 21 | 18 | 140 | 103 | 174 | 7 | 21 | 15 | 11 | 9 | 10 |
Swell 3 Height (m) Direction Period (s) | WNW 10 | SW 19 | SW 15 | SW 14 | SSE 12 | S 12 | WNW 9 | WNW 8 | WNW 8 | S 11 | S 10 | WNW 8 | S 9 | SW 14 | SW 13 | W 10 | S 10 | S 10 | W 10 | S 10 |
| kJ | 18 | 96 | 33 | 33 | 29 | 12 | 16 | 24 | 13 | 35 | 18 | 19 | 28 | 102 | 44 | 2 | 19 | 8 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | WNW 8 | W 3 | — | — | — | — | — | W 3 | — | W 4 | WNW 4 | — | W 4 | WNW 4 | — | W 5 | W 5 |
| kJ | — | — | — | 7 | 2 | — | — | — | — | — | 2 | — | 9 | 26 | — | 19 | 29 | — | 27 | 31 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 25 | 34 | 0 | 281 | 0 | 0 | 117 | 0 | 0 | 89 | 0 | 0 | 117 | 0 | 0 | 117 | 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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