Tides Today & Tomorrow in Petaluma River entrance, CA

TIDE TIMES for Sunday, July 12, 2026
The tide is currently rising in Petaluma River entrance, CA.
Next low tide (tomorrow) : 7:26 am (-1.3 ft)
Next high tide : in 4h 07m at 11:29 pm (7.6 ft)
Sunset today : 8:34 pm
Sunrise tomorrow : 5:57 am
Moon phase : Waning Crescent (4% illuminated)
Tide Station Location : Station #9415252
Common Questions About Tides

Petaluma River entrance, CA Tides - Oct 1979

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon10:345.39:476.14:070.14:292.07:056:54Waxing Gibbous1Mon
2Tue11:175.610:506.35:010.05:241.57:066:52Waxing Gibbous2Tue
3Wed11:566.011:496.45:50-0.16:151.07:076:50Waxing Gibbous3Wed
4Thu12:356.36:360.07:040.57:086:49Full Moon4Thu
5Fri12:456.41:136.67:210.27:520.27:096:47Full Moon5Fri
6Sat1:406.31:526.88:040.58:41-0.17:096:46Full Moon6Sat
7Sun2:366.12:326.88:490.99:30-0.27:106:44Waning Gibbous7Sun
8Mon3:325.83:136.79:351.310:21-0.27:116:43Waning Gibbous8Mon
9Tue4:325.53:566.510:251.811:15-0.17:126:41Waning Gibbous9Tue
10Wed5:365.24:446.111:222.27:136:40Waning Gibbous10Wed
11Thu6:475.05:395.712:140.212:312.47:146:38Third Quarter11Thu
12Fri8:015.06:425.41:190.41:512.57:156:37Third Quarter12Fri
13Sat9:085.17:525.22:270.53:072.47:166:36Third Quarter13Sat
14Sun10:025.39:005.13:300.64:102.27:176:34Third Quarter14Sun
15Mon10:455.410:025.24:240.65:021.97:186:33Waning Crescent15Mon
16Tue11:195.510:555.25:090.75:451.57:196:31Waning Crescent16Tue
17Wed11:485.711:425.35:480.86:231.27:206:30Waning Crescent17Wed
18Thu12:155.86:230.96:580.97:216:29Waning Crescent18Thu
19Fri12:265.312:415.96:551.07:300.77:226:27New Moon19Fri
20Sat1:085.31:076.07:261.28:020.57:236:26New Moon20Sat
21Sun1:505.31:356.17:561.58:340.37:246:25New Moon21Sun
22Mon2:335.22:046.28:281.79:090.17:256:23New Moon22Mon
23Tue3:185.12:366.29:031.99:480.07:266:22Waxing Crescent23Tue
24Wed4:075.03:126.19:412.210:31-0.17:276:21Waxing Crescent24Wed
25Thu5:024.93:546.010:262.411:210.07:286:19Waxing Crescent25Thu
26Fri6:034.84:455.811:232.67:296:18First Quarter26Fri
27Sat7:094.85:495.612:180.012:372.77:306:17First Quarter27Sat
28Sun7:145.06:045.41:230.11:032.56:315:16First Quarter28Sun
29Mon8:105.37:225.41:300.22:212.16:325:14First Quarter29Mon
30Tue8:575.78:375.42:320.23:241.66:335:13Waxing Gibbous30Tue
31Wed9:406.19:455.63:280.34:191.06:345:12Waxing Gibbous31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415252)

Common Questions About Petaluma River entrance, CA Tides

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What time does the tide turn (slack tide) in Petaluma River entrance, CA today?

Slack tide in Petaluma River entrance, CA is approximately 3:27 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Petaluma River entrance, CA?

Petaluma River entrance, CA is currently in a spring phase. Tonight's moon is 4% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly maximum.

What datum are Petaluma River entrance, CA tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Petaluma River entrance, CA?

Tide predictions for Petaluma River entrance, CA come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Petaluma River entrance, CA?

Tide data for Petaluma River entrance, CA is sourced from NOAA Station #9415252. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415252.

What is the moon phase in Petaluma River entrance, CA tonight?

Tonight the moon over Petaluma River entrance, CA is Waning Crescent (4% illuminated). This places Petaluma River entrance, CA in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA