Tides Today & Tomorrow in Port Tobacco River, MD

TIDE TIMES for Saturday, August 22, 2026
The tide is currently rising in Port Tobacco River, MD.
Next low tide (tomorrow) : 7:16 am (0.5 ft)
Next high tide (tomorrow) : in 6h 18m at 1:08 am (1.6 ft)
Sunset today : 7:53 pm
Sunrise tomorrow : 6:29 am
Moon phase : Waxing Gibbous (73% illuminated)
Tide Station Location : Station #8578769
Common Questions About Tides

Port Tobacco River, MD Tides - Jul 1998

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed10:231.511:011.63:570.44:110.35:478:36First Quarter1Wed
2Thu11:201.511:551.64:510.54:560.45:488:36First Quarter2Thu
3Fri12:181.55:470.55:450.45:488:35First Quarter3Fri
4Sat12:471.71:141.56:430.46:340.45:498:35Waxing Gibbous4Sat
5Sun1:351.72:041.57:360.47:250.35:498:35Waxing Gibbous5Sun
6Mon2:201.72:501.58:280.38:150.35:508:35Waxing Gibbous6Mon
7Tue3:011.83:341.59:160.39:050.35:518:35Waxing Gibbous7Tue
8Wed3:401.84:151.610:000.29:520.35:518:34Full Moon8Wed
9Thu4:191.84:531.610:420.210:380.25:528:34Full Moon9Thu
10Fri4:571.95:321.611:240.211:240.25:528:34Full Moon10Fri
11Sat5:381.96:121.712:060.25:538:33Waning Gibbous11Sat
12Sun6:221.86:561.712:120.212:500.15:548:33Waning Gibbous12Sun
13Mon7:111.87:441.71:040.21:340.15:558:32Waning Gibbous13Mon
14Tue8:031.88:351.81:560.22:200.15:558:32Waning Gibbous14Tue
15Wed8:591.79:291.82:510.33:070.25:568:31Third Quarter15Wed
16Thu9:571.710:271.83:510.34:000.25:578:31Third Quarter16Thu
17Fri11:021.611:311.84:560.35:000.25:578:30Third Quarter17Fri
18Sat12:101.66:020.36:020.25:588:30Waning Crescent18Sat
19Sun12:361.81:151.67:050.27:040.25:598:29Waning Crescent19Sun
20Mon1:361.82:141.68:050.28:040.26:008:28Waning Crescent20Mon
21Tue2:321.93:101.69:010.19:010.26:018:28Waning Crescent21Tue
22Wed3:241.94:021.79:530.19:540.26:018:27New Moon22Wed
23Thu4:141.94:511.710:400.110:430.26:028:26New Moon23Thu
24Fri5:011.95:371.711:250.111:300.26:038:25New Moon24Fri
25Sat5:471.86:231.712:080.16:048:25Waxing Crescent25Sat
26Sun6:321.87:081.712:160.312:500.26:058:24Waxing Crescent26Sun
27Mon7:181.77:541.61:020.31:290.26:058:23Waxing Crescent27Mon
28Tue8:051.68:391.61:460.42:060.36:068:22Waxing Crescent28Tue
29Wed8:531.69:231.62:300.42:400.36:078:21First Quarter29Wed
30Thu9:401.510:081.63:150.43:140.36:088:20First Quarter30Thu
31Fri10:311.510:581.64:040.53:550.46:098:19First Quarter31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8578769)

Common Questions About Port Tobacco River, MD Tides

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What time does the tide turn (slack tide) in Port Tobacco River, MD today?

Slack tide in Port Tobacco River, MD is approximately 4:12 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Port Tobacco River, MD?

Port Tobacco River, MD is currently in a transitional phase. Tonight's moon is 73% 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 Port Tobacco River, MD 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 Port Tobacco River, MD?

Tide predictions for Port Tobacco River, MD 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 Port Tobacco River, MD?

Tide data for Port Tobacco River, MD is sourced from NOAA Station #8578769. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8578769.

What is the moon phase in Port Tobacco River, MD tonight?

Tonight the moon over Port Tobacco River, MD is Waxing Gibbous (73% illuminated). This places Port Tobacco River, MD 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