38.1617’ N, 122.8930’ W

Marshall, Tomales Bay, CA

54°
H -°
L 52°
W
5mph
High tide
2:38 am

Tides Today & Tomorrow in Marshall, Tomales Bay, CA

TIDE TIMES for Monday, August 31, 2026
The tide is currently rising in Marshall, Tomales Bay, CA.
Next low tide : 8:55 am (1.1 ft)
Next high tide : in 4h 18m at 2:38 am (4.5 ft)
Sunset today : 7:44 pm
Sunrise tomorrow : 6:39 am
Moon phase : Waning Gibbous (93% illuminated)
Tide Station Location : Station #9415339
Common Questions About Tides

Marshall, Tomales Bay, CA Tides - Jul 1924

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:474.06:13-0.55:512.84:517:38New Moon1Tue
2Wed1:234.16:45-0.66:292.84:527:38New Moon2Wed
3Thu1:584.17:17-0.67:082.94:527:38New Moon3Thu
4Fri12:255.32:344.27:50-0.67:492.84:537:38Waxing Crescent4Fri
5Sat1:045.13:104.38:25-0.58:352.84:547:37Waxing Crescent5Sat
6Sun1:464.83:474.49:03-0.49:282.64:547:37Waxing Crescent6Sun
7Mon2:334.54:274.69:44-0.110:292.44:557:37Waxing Crescent7Mon
8Tue3:304.15:094.810:290.311:382.14:557:37First Quarter8Tue
9Wed4:403.75:545.011:200.84:567:36First Quarter9Wed
10Thu6:063.46:405.412:481.512:161.34:577:36First Quarter10Thu
11Fri7:363.47:285.71:530.91:161.74:577:36Waxing Gibbous11Fri
12Sat8:583.68:186.02:520.22:172.04:587:35Waxing Gibbous12Sat
13Sun10:063.99:086.33:46-0.53:162.34:597:35Waxing Gibbous13Sun
14Mon11:044.29:586.54:37-1.04:132.44:597:34Waxing Gibbous14Mon
15Tue11:564.510:486.55:26-1.35:082.45:007:34Full Moon15Tue
16Wed12:454.66:14-1.56:032.35:017:33Full Moon16Wed
17Thu1:314.87:00-1.46:582.35:017:33Full Moon17Thu
18Fri12:296.12:154.97:46-1.27:542.25:027:32Waning Gibbous18Fri
19Sat1:205.72:594.98:31-0.88:532.15:037:32Waning Gibbous19Sat
20Sun2:125.13:435.09:16-0.49:552.15:047:31Waning Gibbous20Sun
21Mon3:074.54:285.010:010.211:031.95:047:30Third Quarter21Mon
22Tue4:103.95:135.010:500.85:057:29Third Quarter22Tue
23Wed5:253.55:595.012:131.711:43 AM1.45:067:29Third Quarter23Wed
24Thu6:523.36:455.11:211.412:402.05:077:28Third Quarter24Thu
25Fri8:183.37:305.22:221.11:402.35:087:27Waning Crescent25Fri
26Sat9:283.58:145.33:140.72:362.65:097:26Waning Crescent26Sat
27Sun10:223.78:555.43:590.43:272.75:097:26Waning Crescent27Sun
28Mon11:053.99:365.54:380.14:122.85:107:25Waning Crescent28Mon
29Tue11:434.110:155.65:14-0.14:532.85:117:24Waning Crescent29Tue
30Wed12:174.25:48-0.35:312.75:127:23New Moon30Wed
31Thu12:494.36:20-0.46:092.65:137:22New Moon31Thu
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 93% 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 Waning Gibbous (93% 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