38.1833’ N, 121.6550’ W

Hidden Harbor, Steamboat Slough, CA

63°
H 80°
L 55°
WSW
16mph
Low tide
8:31 am

Tides Today & Tomorrow in Hidden Harbor, Steamboat Slough, CA

TIDE TIMES for Monday, September 21, 2026
The tide is currently falling in Hidden Harbor, Steamboat Slough, CA.
Next low tide : in 9m at 8:31 am (0.1 ft)
Next high tide : 2:23 pm (3.2 ft)
Sunset today : 7:05 pm
Sunrise tomorrow : 6:53 am
Moon phase : Waxing Gibbous (76% illuminated)
Tide Station Location : Station #9415414
Common Questions About Tides

Hidden Harbor, Steamboat Slough, CA Tides - Oct 1867

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue6:303.35:513.81:000.312:270.86:095:57Waxing Crescent1Tue
2Wed7:273.16:223.71:490.31:060.96:105:55Waxing Crescent2Wed
3Thu8:293.07:003.62:400.31:511.16:115:54First Quarter3Thu
4Fri9:332.97:483.43:370.32:461.26:115:52First Quarter4Fri
5Sat10:363.08:513.24:380.33:521.26:125:51First Quarter5Sat
6Sun11:353.010:113.15:380.35:041.26:135:49First Quarter6Sun
7Mon12:263.16:320.26:121.16:145:48First Quarter7Mon
8Tue1:113.37:180.27:110.96:155:46Waxing Gibbous8Tue
9Wed12:323.21:503.47:590.28:030.76:165:45Waxing Gibbous9Wed
10Thu1:253.32:233.48:340.28:500.66:175:43Waxing Gibbous10Thu
11Fri2:133.32:503.59:060.39:340.46:185:42Full Moon11Fri
12Sat2:593.43:133.79:360.410:170.36:195:40Full Moon12Sat
13Sun3:453.43:363.810:070.510:590.26:205:39Full Moon13Sun
14Mon4:333.44:034.010:410.611:420.16:215:38Full Moon14Mon
15Tue5:243.34:374.211:200.76:225:36Waning Gibbous15Tue
16Wed6:193.25:184.212:270.112:040.86:235:35Waning Gibbous16Wed
17Thu7:203.16:044.21:180.112:531.06:245:33Waning Gibbous17Thu
18Fri8:273.06:574.02:160.11:511.16:255:32Third Quarter18Fri
19Sat9:363.08:023.83:230.13:001.16:265:31Third Quarter19Sat
20Sun10:423.19:213.54:340.14:191.16:275:29Third Quarter20Sun
21Mon11:413.310:503.45:400.15:380.96:285:28Third Quarter21Mon
22Tue12:343.56:380.16:480.76:295:27Waning Crescent22Tue
23Wed12:073.41:213.67:290.17:500.46:305:25Waning Crescent23Wed
24Thu1:123.42:033.88:140.28:460.26:315:24Waning Crescent24Thu
25Fri2:093.42:413.98:550.39:380.16:325:23New Moon25Fri
26Sat3:013.43:143.99:330.410:270.06:335:22New Moon26Sat
27Sun3:523.43:433.910:080.611:140.06:345:20New Moon27Sun
28Mon4:413.34:083.910:420.811:580.06:355:19New Moon28Mon
29Tue5:313.24:323.911:161.06:365:18Waxing Crescent29Tue
30Wed6:223.24:593.812:410.011:52 AM1.16:375:17Waxing Crescent30Wed
31Thu7:153.15:313.71:230.112:331.26:385:16Waxing Crescent31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415414)

Common Questions About Hidden Harbor, Steamboat Slough, CA Tides

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Is this week a spring tide or neap tide in Hidden Harbor, Steamboat Slough, CA?

Hidden Harbor, Steamboat Slough, CA is currently in a transitional phase. Tonight's moon is 76% 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 Hidden Harbor, Steamboat Slough, 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 Hidden Harbor, Steamboat Slough, CA?

Tide predictions for Hidden Harbor, Steamboat Slough, 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 Hidden Harbor, Steamboat Slough, CA?

Tide data for Hidden Harbor, Steamboat Slough, CA is sourced from NOAA Station #9415414. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415414.

What is the moon phase in Hidden Harbor, Steamboat Slough, CA tonight?

Tonight the moon over Hidden Harbor, Steamboat Slough, CA is Waxing Gibbous (76% illuminated). This places Hidden Harbor, Steamboat Slough, 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