Tides Today & Tomorrow in Petaluma River entrance, CA

TIDE TIMES for Thursday, July 9, 2026
The tide is currently rising in Petaluma River entrance, CA.
Next low tide : 2:49 pm (2.2 ft)
Next high tide : in 1h 22m at 9:52 am (3.9 ft)
Sunset today : 8:35 pm
Sunrise tomorrow : 5:55 am
Moon phase : Waning Crescent (28% illuminated)
Tide Station Location : Station #9415252
Common Questions About Tides

Petaluma River entrance, CA Tides - Apr 2063

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:316.03:544.69:44-0.19:261.96:547:33Waxing Crescent1Sun
2Mon3:016.14:534.410:26-0.210:022.36:527:34Waxing Crescent2Mon
3Tue3:366.16:034.211:16-0.310:452.66:517:35Waxing Crescent3Tue
4Wed4:206.07:274.112:16-0.26:497:35First Quarter4Wed
5Thu5:175.88:494.31:26-0.26:487:36First Quarter5Thu
6Fri6:305.79:484.51:182.92:40-0.36:467:37First Quarter6Fri
7Sat7:525.610:324.92:562.73:47-0.36:457:38First Quarter7Sat
8Sun9:115.611:085.24:112.24:43-0.46:437:39Waxing Gibbous8Sun
9Mon10:235.611:425.65:111.65:31-0.36:427:40Waxing Gibbous9Mon
10Tue11:275.66:040.96:140.06:407:41Waxing Gibbous10Tue
11Wed12:156.012:285.66:520.36:550.36:397:42Full Moon11Wed
12Thu12:476.31:265.47:39-0.27:350.86:377:43Full Moon12Thu
13Fri1:206.62:225.28:25-0.68:141.36:367:44Full Moon13Fri
14Sat1:536.73:195.09:10-0.88:551.76:357:45Full Moon14Sat
15Sun2:276.64:184.89:55-0.89:382.26:337:46Waning Gibbous15Sun
16Mon3:036.45:204.610:42-0.710:262.56:327:47Waning Gibbous16Mon
17Tue3:436.06:294.511:32-0.411:252.86:307:48Waning Gibbous17Tue
18Wed4:285.67:444.412:29-0.16:297:49Third Quarter18Wed
19Thu5:235.28:534.512:432.91:330.16:287:49Third Quarter19Thu
20Fri6:304.99:444.62:122.82:380.26:267:50Third Quarter20Fri
21Sat7:454.610:214.73:272.53:360.36:257:51Third Quarter21Sat
22Sun8:584.510:504.94:262.14:250.46:247:52Waning Crescent22Sun
23Mon10:034.511:145.15:131.75:050.56:227:53Waning Crescent23Mon
24Tue11:014.511:365.45:531.25:400.76:217:54Waning Crescent24Tue
25Wed11:544.611:595.66:300.86:121.06:207:55Waning Crescent25Wed
26Thu12:444.67:030.46:441.36:197:56New Moon26Thu
27Fri12:235.91:334.77:360.07:151.66:177:57New Moon27Fri
28Sat12:496.12:234.78:10-0.47:491.96:167:58New Moon28Sat
29Sun1:186.33:134.78:47-0.78:252.26:157:59New Moon29Sun
30Mon1:516.44:074.69:27-0.89:042.56:148:00Waxing Crescent30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415252)

Common Questions About Petaluma River entrance, CA Tides

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

Slack tide in Petaluma River entrance, CA is approximately 12:20 pm — 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 transitional phase. Tonight's moon is 28% 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 shifting between spring and neap.

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 (28% illuminated). This places Petaluma River entrance, CA in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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