38.1617’ N, 122.8930’ W

Marshall, Tomales Bay, CA

48°
H -°
L 42°
ESE
3mph
High tide
2:10 am

Tides Today & Tomorrow in Marshall, Tomales Bay, CA

TIDE TIMES for Monday, October 12, 2026
The tide is currently rising in Marshall, Tomales Bay, CA.
Next low tide : 7:46 am (2.2 ft)
Next high tide : in 1h 18m at 2:10 am (4.3 ft)
Sunset today : 6:38 pm
Sunrise tomorrow : 7:17 am
Moon phase : Waxing Crescent (5% illuminated)
Tide Station Location : Station #9415339
Common Questions About Tides

Marshall, Tomales Bay, CA Tides - Feb 1840

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat10:025.54:473.15:43-0.77:245:40New Moon1Sat
2Sun12:194.110:43 AM5.65:242.86:15-0.87:235:42New Moon2Sun
3Mon12:454.211:24 AM5.66:012.66:46-0.97:225:43New Moon3Mon
4Tue1:124.412:065.56:402.37:17-0.77:215:44New Moon4Tue
5Wed1:394.612:495.27:222.07:49-0.47:205:45Waxing Crescent5Wed
6Thu2:074.81:374.88:081.68:220.17:195:46Waxing Crescent6Thu
7Fri2:375.02:314.29:001.38:580.77:185:47Waxing Crescent7Fri
8Sat3:115.23:383.79:581.09:371.47:175:48Waxing Crescent8Sat
9Sun3:495.45:073.211:060.710:242.27:165:49First Quarter9Sun
10Mon4:365.56:583.112:230.47:155:51First Quarter10Mon
11Tue5:345.68:393.41:410.07:145:52First Quarter11Tue
12Wed6:405.69:463.812:513.22:50-0.47:135:53Waxing Gibbous12Wed
13Thu7:495.710:344.12:163.23:50-0.87:115:54Waxing Gibbous13Thu
14Fri8:525.911:144.33:273.04:40-1.07:105:55Waxing Gibbous14Fri
15Sat9:505.911:514.54:252.65:24-1.17:095:56Full Moon15Sat
16Sun10:425.85:172.26:04-1.07:085:57Full Moon16Sun
17Mon12:254.711:30 AM5.66:051.96:40-0.87:075:58Full Moon17Mon
18Tue12:574.812:175.36:511.67:14-0.47:055:59Full Moon18Tue
19Wed1:274.91:034.87:351.37:470.17:046:00Waning Gibbous19Wed
20Thu1:564.91:494.38:201.18:180.77:036:01Waning Gibbous20Thu
21Fri2:234.92:393.89:061.08:501.47:026:03Waning Gibbous21Fri
22Sat2:514.93:383.49:551.09:232.07:006:04Waning Gibbous22Sat
23Sun3:234.84:563.010:510.910:012.66:596:05Third Quarter23Sun
24Mon4:014.76:532.911:560.910:563.16:586:06Third Quarter24Mon
25Tue4:504.68:453.21:090.86:566:07Third Quarter25Tue
26Wed5:524.69:393.412:303.42:160.56:556:08Third Quarter26Wed
27Thu6:594.710:133.61:593.43:120.26:546:09Waning Crescent27Thu
28Fri8:004.810:403.83:003.23:56-0.16:526:10Waning Crescent28Fri
29Sat8:545.011:054.03:472.94:34-0.46:516:11Waning Crescent29Sat
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 spring phase. Tonight's moon is 5% 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 Waxing Crescent (5% 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