Rincon - Rivermouth Surf Break

Lat Long: 34.37° N 119.48° W

Rincon - Rivermouth Surf Forecast and Surf Report

Issued: 4 am 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rincon - Rivermouth sea temperature is
20.8° C
3.3° 

Rincon - Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Rincon - Rivermouth surf forecast from 19 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 2PM (local time) - 1.5ft (0.5m), 16s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 19 Aug, 5PM (local time) - 1.5ft (0.5m), 16s period, SSW swell with 140 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 19 Aug, 11AM (local time) - 1.5ft (0.5m), 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 Wednesday (Aug 19) at 11AM. The primary swell is predicted to be 0.5m and 15s period with a secondary swell of 0.7m and 7s. 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 0.5m 16s and forecast to arrive on Wednesday (Aug 19) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Monday (Aug 24) at 8PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Wed 19th Aug)1.5ft (0.5m) 15s
Best Surf 2PM (Wed 19th Aug)1.5ft (0.5m) 16s
Most Powerful 5PM (Wed 19th Aug)1.5ft (0.5m) 16s

Table - best surf conditions forecast for Rincon - Rivermouth over the next 16 days.


The Lowdown

Gather 'round, crew. Let's talk about what's coming up for Rincon - Rivermouth.

Right off the bat, we've got a long, drawn-out stretch of pretty lackluster conditions. For the next week and a half, from Wednesday the 19th of August right through to the end of the month, we're looking at waves that are mostly small, weak, and messy. The combined swell energy is low to moderate, ranging from 46 to 290, and we're getting a lot of these long-period groundswells from the SSW and SW. With periods up to 18 seconds, these are the kind of swells that can break a bit too straight at a river mouth, but with these tiny heights, it's more about the waiting than the riding. There's a stretch of days from the 20th into the 29th of August where things are pretty ordinary—poor surf conditions or just "surfable but very ordinary." You'll get some clean conditions with the cross-offshore breeze, but the energy just isn't there to get excited about. The water temp is pretty normal for this time of year, so no wetsuit surprises.

Now, the one true standout in this forecast comes at the very end. We've got a promising window opening up around the 2nd and 3rd of September. On Wednesday the 2nd of September morning, we're expecting 3ft of WNW swell with a period of 10 seconds and a combined energy of 249, cleaned up by a light cross-offshore breeze. That afternoon, it jumps to 4ft from the west with 8 seconds and energy at 310. Then Thursday the 3rd of September morning keeps it rolling with 3ft from the west, 10-second period, and energy of 308, all with that clean cross-offshore wind. The swell direction from the WNW is a good match for Rincon's optimum. This is the best stretch we've got on offer.

That said, keep an eye on the 31st of August. That afternoon, we've got 6ft of WNW swell, which is the biggest of the whole forecast, but it's short-period windswell at 6 seconds, and the conditions are described as marginal. It's a hint of something bigger, but not the clean, lined-up surf we want.

The long-range stuff on the 2nd and 3rd of September looks solid, but as always, anything that far out is promising but not locked in. For now, that's your window to circle.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 29°C on Wed morning, min 25°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 30°C on Sat afternoon, min 25°C on Sat night). Wind will be generally light.

Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SSW
15
0.5
SSW
16
0.4
SSW
16
0.5
SSW
14
0.5
SSW
14
0.4
SSW
14
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.6
W
10
0.3
SSW
15
0.4
SSW
15
0.4
SSW
16
0.6
W
9
0.4
SW
18
0.4
SW
18
0.3
SW
17
0.4
SW
17
0.4
SW
16
0.4
SW
16
0.4
SW
16
Wave Graph
Metric surfscale
Energy kJ
131
140
94
118
120
79
59
58
58
80
42
73
85
59
82
80
45
97
95
66
89
Wind (km/h)
10
WSW
15
WSW
5
E
10
SW
10
WSW
0
E
10
SW
10
WSW
5
SE
10
WSW
15
WSW
0
NW
10
SW
15
WSW
5
NW
10
WSW
15
WSW
0
WNW
15
WSW
15
WSW
5
W
Wind State
cross-off
cross-off
glassy
cross
cross-off
glassy
cross-off
cross-off
glassy
cross-off
cross-off
glassy
cross-off
cross-off
glassy
cross-off
cross-off
glassy
cross-off
cross-off
glassy
High Tide
3:11PM1.46m
7:35AM0.92m
4:22PM1.44m
8:33AM1.02m
5:36PM1.48m
8:56AM1.09m
6:36PM1.55m
9:15AM1.14m
7:23PM1.64m
9:33AM1.18m
8:02PM1.72m
9:51AM1.22m
8:38PM1.77m
Low Tide
11:27PM0.32m
8:38AM0.92m
00:43AM0.21m
11:05AM0.99m
1:36AM0.10m
12:32PM0.96m
2:16AM0.01m
1:22PM0.89m
2:48AM-0.06m
2:00PM0.80m
3:17AM-0.10m
2:34PM0.71m
3:43AM-0.12m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:22
6:22
6:22
6:24
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:40
7:38
7:37
7:37
7:36
7:34
7:32
 mm
Temp °C
29
29
27
29
29
26
28
29
25
29
30
27
29
29
27
29
30
26
28
29
26
Feels °C
29
29
29
29
29
26
28
30
25
29
29
28
29
29
27
28
29
26
27
28
25
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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