Tides Today & Tomorrow in Tomales Bay entrance, CA

TIDE TIMES for Thursday, July 30, 2026
The tide is currently rising in Tomales Bay entrance, CA.
Next low tide : 6:57 pm (2.5 ft)
Next high tide : in 3h 35m at 1:41 pm (4.2 ft)
Sunset today : 8:23 pm
Sunrise tomorrow : 6:13 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9415469
Common Questions About Tides

Tomales Bay entrance, CA Tides - Sep 1972

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri7:553.76:145.412:570.212:313.06:417:41Third Quarter1Fri
2Sat9:024.07:265.42:100.01:552.96:427:40Waning Crescent2Sat
3Sun9:524.28:325.43:12-0.23:042.66:437:38Waning Crescent3Sun
4Mon10:334.59:315.44:03-0.24:002.26:447:37Waning Crescent4Mon
5Tue11:104.610:245.34:46-0.24:501.86:457:35Waning Crescent5Tue
6Wed11:434.811:125.25:24-0.15:351.56:467:33New Moon6Wed
7Thu12:134.85:590.26:171.26:477:32New Moon7Thu
8Fri12:404.96:320.56:581.06:477:30New Moon8Fri
9Sat12:444.71:074.97:031.07:370.96:487:29Waxing Crescent9Sat
10Sun1:304.41:334.97:341.48:170.86:497:27Waxing Crescent10Sun
11Mon2:184.12:004.98:061.98:580.86:507:26Waxing Crescent11Mon
12Tue3:103.82:314.88:402.49:450.86:517:24Waxing Crescent12Tue
13Wed4:143.63:084.79:182.810:410.96:527:23First Quarter13Wed
14Thu5:363.43:564.610:093.111:480.96:537:21First Quarter14Thu
15Fri7:143.44:574.511:313.36:537:19First Quarter15Fri
16Sat8:253.66:054.512:590.81:033.26:547:18First Quarter16Sat
17Sun9:083.87:124.62:020.62:113.06:557:16First Quarter17Sun
18Mon9:394.08:134.82:530.43:012.76:567:15Waxing Gibbous18Mon
19Tue10:064.29:074.93:350.23:442.26:577:13Waxing Gibbous19Tue
20Wed10:334.49:595.04:120.14:251.86:587:12Waxing Gibbous20Wed
21Thu11:004.710:505.04:480.25:051.26:597:10Full Moon21Thu
22Fri11:285.011:425.05:230.45:470.76:597:08Full Moon22Fri
23Sat11:595.35:590.76:310.27:007:07Full Moon23Sat
24Sun12:364.812:325.56:361.17:18-0.27:017:05Full Moon24Sun
25Mon1:334.61:085.77:151.68:08-0.47:027:04Waning Gibbous25Mon
26Tue2:344.31:505.77:582.09:04-0.47:037:02Waning Gibbous26Tue
27Wed3:424.12:385.68:472.510:06-0.37:047:01Waning Gibbous27Wed
28Thu4:593.93:355.49:492.811:17-0.17:056:59Third Quarter28Thu
29Fri6:223.94:445.111:133.07:066:57Third Quarter29Fri
30Sat7:354.16:014.912:330.012:462.97:076:56Third Quarter30Sat
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 4:19 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 spring phase. Tonight's moon is 99% 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 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 Full Moon (99% illuminated). This places Tomales Bay 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