Tides Today & Tomorrow in Marshall, Tomales Bay, CA

TIDE TIMES for Sunday, August 9, 2026
The tide is currently rising in Marshall, Tomales Bay, CA.
Next low tide (tomorrow) : 5:31 am (-1.0 ft)
Next high tide : in 1h 22m at 9:40 pm (6.3 ft)
Sunset today : 8:12 pm
Sunrise tomorrow : 6:21 am
Moon phase : Waning Crescent (12% illuminated)
Tide Station Location : Station #9415339
Common Questions About Tides

Marshall, Tomales Bay, CA Tides - Jun 1961

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu1:405.83:454.39:03-1.58:592.55:498:28Waning Gibbous1Thu
2Fri2:285.64:394.49:52-1.410:002.65:498:29Waning Gibbous2Fri
3Sat3:225.25:334.510:45-1.111:122.55:498:30Waning Gibbous3Sat
4Sun4:234.86:284.611:41-0.85:488:30Third Quarter4Sun
5Mon5:344.37:224.812:332.312:40-0.35:488:31Third Quarter5Mon
6Tue6:543.98:125.11:531.81:400.15:488:31Third Quarter6Tue
7Wed8:173.78:595.33:031.32:380.65:488:32Waning Crescent7Wed
8Thu9:353.69:435.64:030.63:321.05:488:33Waning Crescent8Thu
9Fri10:453.710:235.74:560.14:241.45:478:33Waning Crescent9Fri
10Sat11:463.911:025.75:42-0.45:121.85:478:34Waning Crescent10Sat
11Sun12:414.06:25-0.75:582.15:478:34New Moon11Sun
12Mon1:304.17:04-0.86:432.45:478:34New Moon12Mon
13Tue12:145.62:174.27:42-0.97:272.65:478:35New Moon13Tue
14Wed12:505.43:004.28:18-0.88:102.75:478:35New Moon14Wed
15Thu1:255.23:414.18:54-0.78:552.85:478:36Waxing Crescent15Thu
16Fri2:025.04:214.19:31-0.69:432.95:478:36Waxing Crescent16Fri
17Sat2:414.75:014.110:09-0.310:362.95:478:36Waxing Crescent17Sat
18Sun3:234.45:414.210:49-0.111:372.85:488:37Waxing Crescent18Sun
19Mon4:124.06:224.211:320.35:488:37First Quarter19Mon
20Tue5:103.67:034.412:442.612:180.65:488:37First Quarter20Tue
21Wed6:213.37:444.61:502.21:071.05:488:37First Quarter21Wed
22Thu7:433.18:234.92:491.81:591.35:488:38First Quarter22Thu
23Fri9:033.19:025.23:391.22:511.75:498:38Waxing Gibbous23Fri
24Sat10:153.39:425.54:240.63:411.95:498:38Waxing Gibbous24Sat
25Sun11:163.610:225.85:060.04:312.25:498:38Waxing Gibbous25Sun
26Mon12:113.95:48-0.65:192.35:508:38Waxing Gibbous26Mon
27Tue1:024.16:31-1.16:082.45:508:38Full Moon27Tue
28Wed1:504.37:15-1.46:592.55:508:38Full Moon28Wed
29Thu12:366.22:384.58:01-1.67:522.55:518:38Full Moon29Thu
30Fri1:266.13:254.78:48-1.68:482.45:518:38Waning Gibbous30Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415339)

Common Questions About Marshall, Tomales Bay, CA Tides

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

Slack tide in Marshall, Tomales Bay, CA is approximately 1:35 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 Marshall, Tomales Bay, CA?

Marshall, Tomales Bay, CA is currently in a spring phase. Tonight's moon is 12% 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 Marshall, Tomales Bay, 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 Marshall, Tomales Bay, CA?

Tide predictions for Marshall, Tomales Bay, 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 Marshall, Tomales Bay, CA?

Tide data for Marshall, Tomales Bay, CA is sourced from NOAA Station #9415339. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415339.

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

Tonight the moon over Marshall, Tomales Bay, CA is Waning Crescent (12% illuminated). This places Marshall, Tomales Bay, 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