Tides Today & Tomorrow in Petaluma River entrance, CA

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Petaluma River entrance, CA.
Next low tide : 1:22 pm (0.4 ft)
Next high tide : in 6m at 6:23 am (4.7 ft)
Sunset today : 8:36 pm
Sunrise tomorrow : 5:47 am
Moon phase : First Quarter (49% illuminated)
Tide Station Location : Station #9415252
Common Questions About Tides

Petaluma River entrance, CA Tides - Jan 2040

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun3:035.01:076.38:042.88:51-0.57:265:00Waning Gibbous1Sun
2Mon3:365.01:456.18:432.89:26-0.47:265:01Waning Gibbous2Mon
3Tue4:115.02:255.89:282.710:02-0.27:265:02Waning Gibbous3Tue
4Wed4:465.13:105.410:202.610:400.17:265:03Waning Gibbous4Wed
5Thu5:225.24:044.911:232.411:220.47:265:04Third Quarter5Thu
6Fri6:005.45:154.412:342.17:265:05Third Quarter6Fri
7Sat6:395.76:474.012:090.91:451.67:265:05Third Quarter7Sat
8Sun7:216.18:284.01:011.42:490.97:265:06Third Quarter8Sun
9Mon8:046.59:574.32:001.93:460.27:265:07Waning Crescent9Mon
10Tue8:516.911:074.73:012.24:39-0.47:265:08Waning Crescent10Tue
11Wed9:397.24:012.55:29-0.97:255:09Waning Crescent11Wed
12Thu12:045.010:30 AM7.54:592.66:19-1.37:255:10New Moon12Thu
13Fri12:545.311:22 AM7.65:542.67:07-1.57:255:11New Moon13Fri
14Sat1:415.412:147.66:492.57:54-1.57:255:12New Moon14Sat
15Sun2:255.61:067.37:442.38:41-1.37:245:13Waxing Crescent15Sun
16Mon3:085.71:586.98:412.29:26-1.07:245:14Waxing Crescent16Mon
17Tue3:515.72:526.29:412.010:11-0.57:245:15Waxing Crescent17Tue
18Wed4:345.83:505.510:471.910:560.17:235:17Waxing Crescent18Wed
19Thu5:175.94:574.711:581.711:430.77:235:18First Quarter19Thu
20Fri6:015.96:194.21:131.47:225:19First Quarter20Fri
21Sat6:466.07:583.912:351.42:241.17:225:20First Quarter21Sat
22Sun7:326.19:334.11:331.93:270.77:215:21First Quarter22Sun
23Mon8:176.110:444.42:362.34:200.37:215:22Waxing Gibbous23Mon
24Tue9:016.211:374.73:372.65:050.17:205:23Waxing Gibbous24Tue
25Wed9:446.34:322.75:45-0.17:195:24Waxing Gibbous25Wed
26Thu12:194.910:25 AM6.45:192.86:21-0.37:195:25Waxing Gibbous26Thu
27Fri12:555.011:04 AM6.46:002.76:54-0.47:185:26Full Moon27Fri
28Sat1:265.011:42 AM6.56:372.67:26-0.57:175:28Full Moon28Sat
29Sun1:555.012:206.47:122.57:56-0.57:165:29Full Moon29Sun
30Mon2:235.112:576.37:472.48:26-0.47:165:30Full Moon30Mon
31Tue2:515.21:356.18:242.28:56-0.37:155:31Waning Gibbous31Tue
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 9:52 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 neap phase. Tonight's moon is 49% 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 minimum.

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 First Quarter (49% illuminated). This places Petaluma River entrance, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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