Tides Today & Tomorrow in Marshall, Tomales Bay, CA

TIDE TIMES for Friday, August 7, 2026
The tide is currently rising in Marshall, Tomales Bay, CA.
Next low tide : 1:36 pm (3.1 ft)
Next high tide : in 2h 04m at 9:22 am (3.3 ft)
Sunset today : 8:14 pm
Sunrise tomorrow : 6:19 am
Moon phase : Third Quarter (31% illuminated)
Tide Station Location : Station #9415339
Common Questions About Tides

Marshall, Tomales Bay, CA Tides - May 1966

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun10:054.310:545.14:411.14:410.06:148:02Waxing Gibbous1Sun
2Mon11:104.311:285.45:310.35:250.46:138:03Waxing Gibbous2Mon
3Tue12:104.36:18-0.46:070.96:128:04Full Moon3Tue
4Wed12:015.71:094.37:03-0.96:491.46:118:05Full Moon4Wed
5Thu12:355.82:074.27:48-1.27:322.06:108:06Full Moon5Thu
6Fri1:105.73:044.18:32-1.38:162.46:098:06Waning Gibbous6Fri
7Sat1:465.54:034.09:17-1.29:042.86:088:07Waning Gibbous7Sat
8Sun2:255.25:043.910:04-1.010:003.16:078:08Waning Gibbous8Sun
9Mon3:074.96:093.810:55-0.711:103.36:068:09Waning Gibbous9Mon
10Tue3:564.57:133.811:50-0.36:058:10Third Quarter10Tue
11Wed4:554.18:093.912:333.212:500.06:048:11Third Quarter11Wed
12Thu6:043.78:524.01:533.01:490.26:038:12Third Quarter12Thu
13Fri7:193.59:254.12:572.52:420.46:028:13Third Quarter13Fri
14Sat8:323.49:534.33:502.03:270.66:018:14Waning Crescent14Sat
15Sun9:383.410:184.64:341.54:070.86:008:15Waning Crescent15Sun
16Mon10:373.510:424.85:120.94:431.25:598:15Waning Crescent16Mon
17Tue11:313.511:075.05:470.45:181.55:588:16Waning Crescent17Tue
18Wed12:233.66:20-0.15:521.95:588:17New Moon18Wed
19Thu1:143.76:54-0.56:272.25:578:18New Moon19Thu
20Fri12:045.42:043.87:30-0.97:042.65:568:19New Moon20Fri
21Sat12:375.52:563.98:08-1.17:452.85:558:20New Moon21Sat
22Sun1:145.63:493.98:51-1.38:303.15:558:21Waxing Crescent22Sun
23Mon1:565.54:443.99:38-1.39:233.25:548:21Waxing Crescent23Mon
24Tue2:445.35:413.910:30-1.210:283.25:548:22Waxing Crescent24Tue
25Wed3:405.06:374.011:27-1.011:503.15:538:23First Quarter25Wed
26Thu4:464.67:294.312:26-0.75:528:24First Quarter26Thu
27Fri6:034.28:154.61:172.71:26-0.45:528:24First Quarter27Fri
28Sat7:273.98:564.92:332.02:220.05:518:25First Quarter28Sat
29Sun8:503.79:355.33:371.23:150.55:518:26Waxing Gibbous29Sun
30Mon10:083.710:125.64:320.44:041.05:508:27Waxing Gibbous30Mon
31Tue11:183.810:485.85:22-0.34:511.55:508:27Waxing Gibbous31Tue
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 11:29 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 transitional phase. Tonight's moon is 31% 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 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 Third Quarter (31% illuminated). This places Marshall, Tomales Bay, 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