38.1617’ N, 122.8930’ W

Marshall, Tomales Bay, CA

54°
H 68°
L 54°
NNW
3mph
High tide
9:22 am

Tides Today & Tomorrow in Marshall, Tomales Bay, CA

TIDE TIMES for Saturday, September 19, 2026
The tide is currently rising in Marshall, Tomales Bay, CA.
Next low tide : 2:08 pm (3.5 ft)
Next high tide : in 4h 11m at 9:22 am (3.7 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 - Aug 1877

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed4:243.24:365.010:162.05:217:28Third Quarter1Wed
2Thu6:033.05:205.212:081.311:02 AM2.65:227:27Third Quarter2Thu
3Fri7:573.16:135.41:160.912:063.15:237:25Third Quarter3Fri
4Sat9:223.47:115.72:200.31:233.35:237:24Waning Crescent4Sat
5Sun10:163.78:106.03:17-0.22:343.45:247:23Waning Crescent5Sun
6Mon10:594.09:086.24:08-0.73:353.25:257:22Waning Crescent6Mon
7Tue11:364.210:046.44:56-1.14:312.95:267:21New Moon7Tue
8Wed12:134.55:41-1.35:242.55:277:20New Moon8Wed
9Thu12:484.76:24-1.36:182.05:287:19New Moon9Thu
10Fri1:245.07:05-1.17:131.65:297:18Waxing Crescent10Fri
11Sat12:475.82:005.37:46-0.68:101.25:307:16Waxing Crescent11Sat
12Sun1:445.32:375.58:260.19:101.05:307:15Waxing Crescent12Sun
13Mon2:464.63:175.69:070.910:140.85:317:14Waxing Crescent13Mon
14Tue3:564.04:005.69:521.711:240.65:327:13First Quarter14Tue
15Wed5:233.54:495.610:452.45:337:11First Quarter15Wed
16Thu7:063.55:455.512:380.511:55 AM3.05:347:10First Quarter16Thu
17Fri8:383.76:465.41:500.31:173.35:357:09First Quarter17Fri
18Sat9:424.07:475.42:540.12:303.35:367:08Waxing Gibbous18Sat
19Sun10:284.28:425.43:470.03:293.25:377:06Waxing Gibbous19Sun
20Mon11:064.39:315.44:32-0.24:173.05:377:05Waxing Gibbous20Mon
21Tue11:384.310:145.45:09-0.24:582.75:387:04Waxing Gibbous21Tue
22Wed12:054.35:42-0.25:352.55:397:02Full Moon22Wed
23Thu12:294.46:11-0.16:102.25:407:01Full Moon23Thu
24Fri12:504.56:380.16:442.05:416:59Full Moon24Fri
25Sat12:094.91:124.67:040.47:191.85:426:58Full Moon25Sat
26Sun12:474.71:344.87:290.77:551.65:436:56Waning Gibbous26Sun
27Mon1:294.31:584.97:561.28:351.45:446:55Waning Gibbous27Mon
28Tue2:154.02:265.08:241.79:211.25:446:54Waning Gibbous28Tue
29Wed3:123.62:585.18:562.210:141.05:456:52Waning Gibbous29Wed
30Thu4:283.33:395.19:332.711:190.85:466:51Third Quarter30Thu
31Fri6:103.24:325.210:263.25:476:49Third Quarter31Fri
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