38.1617’ N, 122.8930’ W

Marshall, Tomales Bay, CA

60°
H 75°
L 52°
NE
0mph
High tide
9:42 am

Tides Today & Tomorrow in Marshall, Tomales Bay, CA

TIDE TIMES for Monday, October 5, 2026
The tide is currently rising in Marshall, Tomales Bay, CA.
Next low tide : 3:19 pm (2.7 ft)
Next high tide : in 55m at 9:42 am (4.4 ft)
Sunset today : 6:48 pm
Sunrise tomorrow : 7:11 am
Moon phase : Waning Crescent (26% illuminated)
Tide Station Location : Station #9415339
Common Questions About Tides

Marshall, Tomales Bay, CA Tides - Sep 1850

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:403.97:255.62:000.21:492.85:486:48Waning Crescent1Sun
2Mon9:364.28:275.83:00-0.22:542.65:486:47Waning Crescent2Mon
3Tue10:224.59:256.13:53-0.53:512.25:496:45Waning Crescent3Tue
4Wed11:054.810:216.14:42-0.74:441.85:506:44New Moon4Wed
5Thu11:455.011:156.15:28-0.85:351.45:516:42New Moon5Thu
6Fri12:245.26:12-0.66:261.15:526:41New Moon6Fri
7Sat12:085.81:035.46:55-0.37:170.85:536:39New Moon7Sat
8Sun1:015.51:425.47:380.28:090.75:546:38Waxing Crescent8Sun
9Mon1:565.02:215.48:210.89:030.65:546:36Waxing Crescent9Mon
10Tue2:554.53:035.39:071.410:010.75:556:35Waxing Crescent10Tue
11Wed4:024.13:495.19:592.011:050.85:566:33First Quarter11Wed
12Thu5:203.84:414.911:022.55:576:31First Quarter12Thu
13Fri6:473.75:394.812:140.812:182.85:586:30First Quarter13Fri
14Sat8:053.96:414.71:220.71:332.95:596:28First Quarter14Sat
15Sun9:034.17:414.82:230.62:352.86:006:27Waxing Gibbous15Sun
16Mon9:464.28:354.93:140.53:262.66:006:25Waxing Gibbous16Mon
17Tue10:214.49:224.93:570.44:092.36:016:24Waxing Gibbous17Tue
18Wed10:504.510:055.04:340.34:462.16:026:22Waxing Gibbous18Wed
19Thu11:174.510:465.05:080.35:201.86:036:20Full Moon19Thu
20Fri11:434.711:265.05:390.45:531.56:046:19Full Moon20Fri
21Sat12:094.86:080.56:261.36:056:17Full Moon21Sat
22Sun12:074.912:364.96:380.77:001.06:066:16Full Moon22Sun
23Mon12:494.71:055.07:101.07:370.86:076:14Waning Gibbous23Mon
24Tue1:344.51:365.17:431.48:190.66:076:13Waning Gibbous24Tue
25Wed2:254.22:115.18:211.89:070.56:086:11Waning Gibbous25Wed
26Thu3:244.02:535.19:042.210:030.46:096:09Waning Gibbous26Thu
27Fri4:373.83:445.19:582.611:090.46:106:08Third Quarter27Fri
28Sat5:593.74:465.011:102.96:116:06Third Quarter28Sat
29Sun7:173.95:585.012:210.212:352.96:126:05Third Quarter29Sun
30Mon8:194.27:105.11:320.11:512.76:136:03Waning Crescent30Mon
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 transitional phase. Tonight's moon is 26% 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 Waning Crescent (26% 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