38.1617’ N, 122.8930’ W

Marshall, Tomales Bay, CA

58°
H -°
L 56°
WSW
3mph
High tide
6:30 am

Tides Today & Tomorrow in Marshall, Tomales Bay, CA

TIDE TIMES for Thursday, September 17, 2026
The tide is currently rising in Marshall, Tomales Bay, CA.
Next low tide : 11:11 am (3.3 ft)
Next high tide : in 5h 53m at 6:30 am (3.5 ft)
Sunset today : 7:16 pm
Sunrise tomorrow : 6:55 am
Moon phase : First Quarter (40% illuminated)
Tide Station Location : Station #9415339
Common Questions About Tides

Marshall, Tomales Bay, CA Tides - Aug 1879

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri12:144.55:45-1.15:322.55:207:28Full Moon1Fri
2Sat12:514.76:25-1.06:222.35:217:27Full Moon2Sat
3Sun1:254.87:03-0.77:102.15:227:26Full Moon3Sun
4Mon12:355.41:584.87:39-0.37:581.95:237:25Waning Gibbous4Mon
5Tue1:214.92:294.98:130.28:471.75:247:24Waning Gibbous5Tue
6Wed2:094.42:594.98:470.89:381.65:257:23Waning Gibbous6Wed
7Thu3:013.93:304.99:221.410:341.55:267:22Waning Gibbous7Thu
8Fri4:053.44:064.910:002.011:371.45:267:21Third Quarter8Fri
9Sat5:283.14:474.910:452.65:277:19Third Quarter9Sat
10Sun7:173.15:375.012:461.211:48 AM3.15:287:18Third Quarter10Sun
11Mon8:503.36:335.01:520.91:053.35:297:17Third Quarter11Mon
12Tue9:463.67:305.22:490.62:143.35:307:16Waning Crescent12Tue
13Wed10:253.88:235.43:370.33:093.25:317:15Waning Crescent13Wed
14Thu10:564.09:125.54:180.03:553.05:327:13Waning Crescent14Thu
15Fri11:254.19:585.74:55-0.34:362.85:337:12Waning Crescent15Fri
16Sat11:534.310:445.75:28-0.55:172.45:347:11New Moon16Sat
17Sun12:214.56:01-0.55:582.15:347:10New Moon17Sun
18Mon12:504.86:34-0.46:421.75:357:08New Moon18Mon
19Tue12:165.41:205.17:08-0.17:281.35:367:07Waxing Crescent19Tue
20Wed1:065.11:525.37:430.38:190.95:377:06Waxing Crescent20Wed
21Thu2:024.72:285.58:200.99:150.75:387:04Waxing Crescent21Thu
22Fri3:054.23:085.79:011.610:170.55:397:03Waxing Crescent22Fri
23Sat4:213.73:565.79:482.211:290.35:407:01First Quarter23Sat
24Sun5:553.54:535.710:492.85:417:00First Quarter24Sun
25Mon7:323.65:595.712:460.112:093.15:416:59First Quarter25Mon
26Tue8:483.97:095.72:00-0.11:363.25:426:57Waxing Gibbous26Tue
27Wed9:424.28:155.83:03-0.32:492.95:436:56Waxing Gibbous27Wed
28Thu10:254.49:145.83:56-0.53:482.65:446:54Waxing Gibbous28Thu
29Fri11:034.610:075.74:41-0.54:402.25:456:53Waxing Gibbous29Fri
30Sat11:374.810:565.55:21-0.45:261.95:466:51Full Moon30Sat
31Sun12:084.95:57-0.26:101.65:476:50Full Moon31Sun
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 40% 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 (40% 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