38.1617’ N, 122.8930’ W

Marshall, Tomales Bay, CA

54°
H -°
L 52°
WNW
8mph
Low tide
2:59 am

Tides Today & Tomorrow in Marshall, Tomales Bay, CA

TIDE TIMES for Sunday, September 20, 2026
The tide is currently falling in Marshall, Tomales Bay, CA.
Next low tide : in 4h 43m at 2:59 am (0.6 ft)
Next high tide : 10:06 am (3.9 ft)
Sunset today : 7:13 pm
Sunrise tomorrow : 6:57 am
Moon phase : First Quarter (59% illuminated)
Tide Station Location : Station #9415339
Common Questions About Tides

Marshall, Tomales Bay, CA Tides - Jan 1876

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:434.22:124.59:112.99:34-0.17:355:09Waxing Crescent1Sat
2Sun4:174.43:064.010:122.610:130.47:355:10First Quarter2Sun
3Mon4:524.64:163.511:222.210:571.07:355:11First Quarter3Mon
4Tue5:294.95:503.112:341.67:355:11First Quarter4Tue
5Wed6:105.27:373.11:420.97:355:12First Quarter5Wed
6Thu6:555.69:113.312:452.32:430.17:355:13Waxing Gibbous6Thu
7Fri7:445.910:233.71:492.83:38-0.67:355:14Waxing Gibbous7Fri
8Sat8:366.211:194.12:533.14:30-1.27:355:15Waxing Gibbous8Sat
9Sun9:306.53:543.15:20-1.67:355:16Full Moon9Sun
10Mon12:074.310:23 AM6.64:523.16:09-1.87:355:17Full Moon10Mon
11Tue12:524.511:17 AM6.65:482.96:55-1.87:355:18Full Moon11Tue
12Wed1:344.612:096.36:432.77:40-1.67:345:19Full Moon12Wed
13Thu2:154.71:005.97:392.48:23-1.27:345:20Waning Gibbous13Thu
14Fri2:554.81:535.38:382.29:05-0.67:345:21Waning Gibbous14Fri
15Sat3:354.92:484.59:412.09:460.17:345:22Waning Gibbous15Sat
16Sun4:145.03:523.810:481.810:280.87:335:23Third Quarter16Sun
17Mon4:555.05:113.212:001.57:335:24Third Quarter17Mon
18Tue5:365.16:543.01:111.17:325:25Third Quarter18Tue
19Wed6:205.18:413.112:092.32:150.77:325:26Third Quarter19Wed
20Thu7:065.19:583.41:152.93:110.37:325:27Waning Crescent20Thu
21Fri7:535.210:503.72:223.23:590.07:315:28Waning Crescent21Fri
22Sat8:395.311:303.93:223.34:40-0.27:305:29Waning Crescent22Sat
23Sun9:235.44:123.35:18-0.47:305:31Waning Crescent23Sun
24Mon12:044.010:05 AM5.54:543.25:52-0.67:295:32New Moon24Mon
25Tue12:334.110:44 AM5.55:313.16:24-0.77:295:33New Moon25Tue
26Wed1:014.111:23 AM5.56:062.96:54-0.87:285:34New Moon26Wed
27Thu1:274.212:005.46:412.77:23-0.77:275:35New Moon27Thu
28Fri1:534.312:395.27:192.57:53-0.57:265:36Waxing Crescent28Fri
29Sat2:194.41:204.88:012.38:23-0.27:265:37Waxing Crescent29Sat
30Sun2:474.62:064.48:482.08:560.37:255:38Waxing Crescent30Sun
31Mon3:174.83:023.99:411.79:310.97:245:40Waxing Crescent31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415339)

Common Questions About Marshall, Tomales Bay, CA Tides

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Is this week a spring tide or neap tide in Marshall, Tomales Bay, CA?

Marshall, Tomales Bay, CA is currently in a neap phase. Tonight's moon is 59% 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 minimum.

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 First Quarter (59% illuminated). This places Marshall, Tomales Bay, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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