Tides Today & Tomorrow in Petaluma River entrance, CA

TIDE TIMES for Monday, July 13, 2026
The tide is currently rising in Petaluma River entrance, CA.
Next low tide : 7:26 am (-1.3 ft)
Next high tide (tomorrow) : in 1h 45m 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 - Aug 2068

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed3:005.64:125.610:010.410:311.86:138:18Waxing Crescent1Wed
2Thu3:415.24:415.610:320.811:171.76:148:17Waxing Crescent2Thu
3Fri4:274.85:135.711:041.26:158:16Waxing Crescent3Fri
4Sat5:224.35:505.812:091.611:40 AM1.66:168:15First Quarter4Sat
5Sun6:334.06:335.91:091.512:232.06:178:14First Quarter5Sun
6Mon8:053.87:236.02:151.21:192.46:188:13First Quarter6Mon
7Tue9:414.08:186.13:211.02:292.66:198:12First Quarter7Tue
8Wed10:504.29:156.44:190.63:402.76:208:11Waxing Gibbous8Wed
9Thu11:394.610:096.65:090.24:402.66:208:09Waxing Gibbous9Thu
10Fri12:194.95:55-0.25:342.46:218:08Waxing Gibbous10Fri
11Sat12:565.26:37-0.46:242.16:228:07Full Moon11Sat
12Sun1:325.57:18-0.67:131.86:238:06Full Moon12Sun
13Mon12:457.12:085.87:59-0.68:031.46:248:05Full Moon13Mon
14Tue1:376.92:446.18:39-0.48:541.16:258:03Full Moon14Tue
15Wed2:306.63:226.49:20-0.19:480.86:268:02Waning Gibbous15Wed
16Thu3:266.24:026.610:030.310:460.76:278:01Waning Gibbous16Thu
17Fri4:275.64:466.710:480.911:490.66:277:59Waning Gibbous17Fri
18Sat5:365.15:346.711:371.46:287:58Third Quarter18Sat
19Sun6:564.76:296.712:590.512:362.06:297:57Third Quarter19Sun
20Mon8:264.57:306.52:140.41:492.36:307:55Third Quarter20Mon
21Tue9:494.78:356.53:280.33:072.56:317:54Third Quarter21Tue
22Wed10:545.09:386.44:330.24:182.46:327:53Waning Crescent22Wed
23Thu11:445.210:356.45:280.15:172.36:337:51Waning Crescent23Thu
24Fri12:265.46:130.06:082.16:337:50Waning Crescent24Fri
25Sat1:015.56:520.16:521.96:347:48New Moon25Sat
26Sun12:106.31:335.57:260.17:311.76:357:47New Moon26Sun
27Mon12:516.12:005.67:570.38:081.56:367:45New Moon27Mon
28Tue1:315.92:265.68:270.58:441.46:377:44New Moon28Tue
29Wed2:105.72:505.78:550.89:191.36:387:42New Moon29Wed
30Thu2:495.43:165.89:231.19:561.26:397:41Waxing Crescent30Thu
31Fri3:305.13:445.89:531.410:351.16:397:40Waxing Crescent31Fri
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 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