Tides Today & Tomorrow in Tomales Bay entrance, CA

TIDE TIMES for Saturday, June 20, 2026
The tide is currently rising in Tomales Bay entrance, CA.
Next low tide : 11:51 pm (1.9 ft)
Next high tide : in 1h 37m at 5:29 pm (4.7 ft)
Sunset today : 8:38 pm
Sunrise tomorrow : 5:48 am
Moon phase : First Quarter (38% illuminated)
Tide Station Location : Station #9415469
Common Questions About Tides

Tomales Bay entrance, CA Tides - Sep 2020

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:274.66:02-0.26:052.06:427:41Full Moon1Tue
2Wed12:564.66:350.06:431.86:437:39Full Moon2Wed
3Thu12:175.01:234.67:070.37:201.76:437:38Full Moon3Thu
4Fri12:574.71:484.67:370.67:581.56:447:36Waning Gibbous4Fri
5Sat1:384.52:134.68:071.08:371.46:457:34Waning Gibbous5Sat
6Sun2:224.12:404.68:381.49:201.46:467:33Waning Gibbous6Sun
7Mon3:123.83:114.69:121.910:091.36:477:31Waning Gibbous7Mon
8Tue4:153.63:494.69:512.411:071.26:487:30Third Quarter8Tue
9Wed5:393.44:364.610:432.86:497:28Third Quarter9Wed
10Thu7:183.45:334.612:151.111:57 AM3.16:497:27Third Quarter10Thu
11Fri8:373.66:374.71:240.81:203.16:507:25Third Quarter11Fri
12Sat9:283.97:404.92:250.52:253.06:517:24Waning Crescent12Sat
13Sun10:064.18:385.23:170.23:172.76:527:22Waning Crescent13Sun
14Mon10:414.39:335.44:03-0.24:042.36:537:20Waning Crescent14Mon
15Tue11:144.510:255.54:45-0.44:481.96:547:19Waning Crescent15Tue
16Wed11:464.711:175.55:25-0.45:331.46:557:17New Moon16Wed
17Thu12:205.06:05-0.36:200.96:567:16New Moon17Thu
18Fri12:115.412:545.26:450.07:090.56:567:14New Moon18Fri
19Sat1:065.21:315.47:260.58:010.26:577:13Waxing Crescent19Sat
20Sun2:044.82:105.58:091.18:570.16:587:11Waxing Crescent20Sun
21Mon3:094.42:545.58:551.79:580.06:597:09Waxing Crescent21Mon
22Tue4:234.13:445.49:492.311:070.17:007:08First Quarter22Tue
23Wed5:493.94:435.211:002.77:017:06First Quarter23Wed
24Thu7:174.05:515.012:210.112:272.97:027:05First Quarter24Thu
25Fri8:294.27:034.91:340.11:502.87:037:03First Quarter25Fri
26Sat9:234.48:104.92:380.12:562.57:037:02Waxing Gibbous26Sat
27Sun10:064.69:094.93:320.13:502.27:047:00Waxing Gibbous27Sun
28Mon10:434.610:004.94:170.14:351.97:056:58Waxing Gibbous28Mon
29Tue11:144.710:464.84:550.25:141.67:066:57Waxing Gibbous29Tue
30Wed11:414.711:294.75:290.45:511.37:076:55Full Moon30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415469)

Common Questions About Tomales Bay entrance, CA Tides

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What time does the tide turn (slack tide) in Tomales Bay entrance, CA today?

Slack tide in Tomales Bay entrance, CA is approximately 8:40 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 Tomales Bay entrance, CA?

Tomales Bay entrance, CA is currently in a transitional phase. Tonight's moon is 38% 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 Tomales Bay 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 Tomales Bay entrance, CA?

Tide predictions for Tomales Bay 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 Tomales Bay entrance, CA?

Tide data for Tomales Bay entrance, CA is sourced from NOAA Station #9415469. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415469.

What is the moon phase in Tomales Bay entrance, CA tonight?

Tonight the moon over Tomales Bay entrance, CA is First Quarter (38% illuminated). This places Tomales Bay 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