Surf Forecasts:
Rincon - Rivermouth surf forecast from 3 Sep 2026:
- Best quality surf: Thursday 3 Sep, 5PM (local time) - 2ft (0.6m), 18s period, SSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 8 Sep, 2PM (local time) - 3.5ft (1.1m), 12s period, SSW swell with 392 kJ wave energy.
- Next surfable swell (1★+): Thursday 3 Sep, 5PM (local time) - 2ft (0.6m), 18s 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 Thursday (Sep 03) at 5PM. The primary swell is predicted to be 0.6m and 18s period with a secondary swell of 0.4m and 10s. 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 1.1m 12s and forecast to arrive on Tuesday (Sep 08) 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 1.5m 14s period and expected on Sunday (Sep 06) at 11AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Thu 3rd Sep) | 2ft (0.6m) 18s |
| Best Surf | 5PM (Thu 3rd Sep) | 2ft (0.6m) 18s |
| Most Powerful | 2PM (Tue 8th Sep) | 3.5ft (1.1m) 12s |
Table - best surf conditions forecast for Rincon - Rivermouth over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s coming up for Rincon - Rivermouth. We’ve got a 16-day window, and honestly, it starts off pretty quiet. The first few days have some small, weak swell, and nothing that’s really going to get the heart pumping. The combined energy is low, barely getting into double digits at times. The water is sitting at 70°, which is a massive 6° warmer than usual for this time of year – that’s very unusual, the ocean feels like a bath.
The first real hint of something worthwhile doesn’t show up until Tuesday afternoon, the 8th of September. The swell bumps up to 4ft from the SSW with a 13-second period, and the combined energy jumps to moderate (495). The wind is cross-off from the W at 10 mph, keeping it clean. That’s a solid session for an intermediate, but it’s not the standout.
The true highlight of this whole forecast lands on Friday, the 11th of September. The morning starts with a near 4ft swell from the WSW, period of 12 seconds, and energy in the moderate range (517). It’s clean with light cross-off winds. Then the afternoon gets even better. The swell builds to 6ft from the W, period of 10 seconds, and the combined energy is strong (767). The wind is light and cross-off. This is the best on offer. For the experienced surfer, that afternoon session is going to be firing. The Rivermouth will be handling that WNW-ish swell beautifully. The break is fairly consistent, and the crowds are a known factor here – expect company.
After that, the surf fades pretty quickly. The rest of the second week drops back into small, weak conditions with poor scores. There are a few afternoons with clean, cross-off wind on small, long-period groundswell, but the energy is too low to get excited about. For example, the 17th of September afternoon has a 1ft swell from the SW with a 22-second period, which is very long period, but it lacks the power to make it worthwhile.
So, to sum it up: the first week is a slow cooker, with the one standout day being Friday the 11th. After that, it’s a long stretch of small, ordinary waves right through the 18th. Don’t hold your breath for the second week.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Sat afternoon, min 20°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Sun afternoon, min 21°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | |||||||||||||||
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 15 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | W 11 | W 11 | W 5 | WNW 8 | W 7 | SSW 14 | SW 18 | SSW 12 | SSW 11 | SSW 11 | SW 17 | SW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 58 | 216 | 283 | 252 | 240 | 288 | 277 | 215 | 201 | 37 | 61 | 18 | 23 | 24 | 250 | 50 | 386 | 278 | 173 | 137 | 143 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | glassy | cross-on | cross-off | glassy | cross-on | cross | glassy | cross | cross-off | cross-off | cross | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 2:20PM1.65m | 6:24AM0.91m | 3:39PM1.66m | 7:35AM1.02m | 5:06PM1.71m | 8:07AM1.12m | 6:20PM1.80m | 8:35AM1.23m | 7:20PM1.88m | 9:03AM1.33m | 8:13PM1.92m | 9:31AM1.44m | 9:00PM1.90m | ||||||||
Low Tide | 10:35PM0.15m | 7:55AM0.90m | 11:59PM0.02m | 10:22AM0.96m | 1:02AM-0.11m | 12:05PM0.88m | 1:51AM-0.21m | 1:12PM0.73m | 2:32AM-0.25m | 2:06PM0.57m | 3:09AM-0.24m | 2:54PM0.41m | 3:42AM-0.17m | ||||||||
 | |  | | | | | | | | | | | | | |  |  |  | | | |
 | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — |
 | — | 7:21 | — | — | 7:20 | — | — | 7:19 | — | — | 7:16 | — | — | 7:15 | — | — | 7:14 | — | — | 7:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 21 | 23 | 24 | 21 | 24 | 25 | 21 | 25 | 26 | 22 | 26 | 26 | 22 | 25 | 26 | 24 | 26 | 27 | 24 |
Feels °C | 24 | 23 | 22 | 23 | 23 | 22 | 24 | 24 | 20 | 23 | 24 | 22 | 24 | 24 | 21 | 22 | 23 | 23 | 24 | 25 | 22 |
Swell 1 Height (m) Direction Period (s) | S 11 | SSW 18 | WNW 5 | SSW 17 | SSE 13 | SSE 12 | SSW 16 | SSE 13 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 12 | S 12 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 |
| kJ | 86 | 216 | 23 | 252 | 147 | 175 | 277 | 317 | 377 | 932 | 743 | 518 | 714 | 683 | 276 | 453 | 386 | 278 | 173 | 118 | 52 |
Swell 2 Height (m) Direction Period (s) | W 5 | SSW 10 | SSW 18 | SSE 13 | SSW 16 | SSW 16 | SSE 14 | SSW 16 | SSW 15 | WNW 12 | W 11 | W 5 | W 6 | W 7 | SSW 14 | W 7 | SW 18 | SW 16 | WNW 5 | SW 17 | SW 17 |
| kJ | 16 | 32 | 283 | 158 | 240 | 288 | 149 | 215 | 201 | 14 | 58 | 18 | 22 | 24 | 250 | 26 | 12 | 41 | 27 | 137 | 143 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SSW 13 | SSW 11 | SSW 10 | SW 13 | WNW 4 | SSE 11 | WNW 10 | WNW 5 | SW 20 | WNW 12 | SW 10 | SW 19 | SW 10 | W 5 | SW 18 | SW 21 | SSW 20 | SW 16 | NW 10 | W 4 |
| kJ | 58 | 33 | 47 | 42 | 43 | 5 | 70 | 22 | 8 | 15 | 14 | 4 | 15 | 4 | 17 | 50 | 17 | 38 | 66 | 4 | 9 |
Wind waves Height (m) Direction Period (s) | WNW 4 | W 5 | WNW 5 | WNW 4 | W 4 | — | — | — | — | W 11 | W 11 | WNW 4 | WNW 8 | — | — | — | W 4 | W 5 | — | W 4 | — |
| kJ | 21 | 25 | 64 | 6 | 6 | — | — | — | — | 37 | 61 | 22 | 23 | — | — | — | 19 | 27 | — | 10 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 0 | 0 | 89 | 0 | 0 | 281 | 265 | 0 | 45 | 0 | 0 | 34 | 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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