38.1617’ N, 122.8930’ W

Marshall, Tomales Bay, CA

62°
H 68°
L 53°
WNW
4mph
Low tide
12:37 pm

Tides Today & Tomorrow in Marshall, Tomales Bay, CA

TIDE TIMES for Friday, September 18, 2026
The tide is currently falling in Marshall, Tomales Bay, CA.
Next low tide : in 3h 06m at 12:37 pm (3.6 ft)
Next high tide : 5:39 pm (4.6 ft)
Sunset today : 7:14 pm
Sunrise tomorrow : 6:56 am
Moon phase : First Quarter (49% illuminated)
Tide Station Location : Station #9415339
Common Questions About Tides

Marshall, Tomales Bay, CA Tides - Jan 1879

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed6:164.97:562.92:061.27:355:09First Quarter1Wed
2Thu6:575.09:223.112:552.52:580.77:355:10Waxing Gibbous2Thu
3Fri7:395.210:223.41:552.93:430.37:355:11Waxing Gibbous3Fri
4Sat8:225.411:073.72:513.14:23-0.17:355:12Waxing Gibbous4Sat
5Sun9:055.611:453.93:413.25:00-0.57:355:13Waxing Gibbous5Sun
6Mon9:485.74:263.25:36-0.87:355:13Full Moon6Mon
7Tue12:204.110:30 AM5.95:083.16:11-1.07:355:14Full Moon7Tue
8Wed12:534.211:12 AM5.95:493.06:46-1.27:355:15Full Moon8Wed
9Thu1:264.311:55 AM5.86:312.87:22-1.27:355:16Full Moon9Thu
10Fri1:594.412:405.67:172.57:58-1.07:355:17Waning Gibbous10Fri
11Sat2:324.61:285.28:072.38:36-0.67:355:18Waning Gibbous11Sat
12Sun3:074.82:224.79:042.09:15-0.17:345:19Waning Gibbous12Sun
13Mon3:445.03:254.110:081.69:570.67:345:20Third Quarter13Mon
14Tue4:255.34:453.511:191.210:451.47:345:21Third Quarter14Tue
15Wed5:105.56:253.112:360.87:345:22Third Quarter15Wed
16Thu6:025.78:103.21:490.27:335:23Third Quarter16Thu
17Fri6:585.89:333.612:512.72:54-0.37:335:24Waning Crescent17Fri
18Sat7:566.010:323.92:063.03:52-0.77:325:25Waning Crescent18Sat
19Sun8:536.111:204.23:163.04:42-1.07:325:26Waning Crescent19Sun
20Mon9:466.14:162.95:27-1.27:315:28New Moon20Mon
21Tue12:024.410:35 AM6.05:102.86:08-1.27:315:29New Moon21Tue
22Wed12:404.511:22 AM5.85:592.66:46-1.07:305:30New Moon22Wed
23Thu1:164.612:065.66:462.47:22-0.87:305:31New Moon23Thu
24Fri1:484.612:485.27:312.27:55-0.47:295:32Waxing Crescent24Fri
25Sat2:194.71:314.78:162.08:270.17:285:33Waxing Crescent25Sat
26Sun2:484.72:164.29:031.98:590.67:285:34Waxing Crescent26Sun
27Mon3:164.73:063.69:541.89:321.27:275:35Waxing Crescent27Mon
28Tue3:474.84:093.210:521.610:071.97:265:36First Quarter28Tue
29Wed4:224.85:382.811:581.410:502.57:265:38First Quarter29Wed
30Thu5:034.87:382.81:071.17:255:39First Quarter30Thu
31Fri5:534.99:133.12:110.87:245:40First 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 49% 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 (49% 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