Tides Today & Tomorrow in Port Tobacco River, MD

TIDE TIMES for Sunday, August 23, 2026
The tide is currently rising in Port Tobacco River, MD.
Next low tide : 7:16 am (0.5 ft)
Next high tide : in 0m at 1:08 am (1.6 ft)
Sunset today : 7:51 pm
Sunrise tomorrow : 6:29 am
Moon phase : Waxing Gibbous (81% illuminated)
Tide Station Location : Station #8578769
Common Questions About Tides

Port Tobacco River, MD Tides - Jun 2049

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue5:061.95:451.611:310.211:190.45:458:26New Moon1Tue
2Wed5:451.86:281.612:110.25:458:27Waxing Crescent2Wed
3Thu6:241.87:101.612:500.35:458:28Waxing Crescent3Thu
4Fri7:031.77:531.612:380.41:260.35:448:28Waxing Crescent4Fri
5Sat7:441.78:331.61:180.41:590.35:448:29Waxing Crescent5Sat
6Sun8:261.79:121.61:590.52:300.45:448:29Waxing Crescent6Sun
7Mon9:091.69:511.62:420.53:040.45:448:30First Quarter7Mon
8Tue9:551.610:351.63:290.53:430.45:438:30First Quarter8Tue
9Wed10:491.511:271.74:250.54:310.45:438:31First Quarter9Wed
10Thu11:511.55:290.55:250.45:438:31First Quarter10Thu
11Fri12:221.712:531.56:340.46:220.35:438:32Waxing Gibbous11Fri
12Sat1:161.81:491.57:370.47:210.35:438:32Waxing Gibbous12Sat
13Sun2:071.92:431.68:380.38:230.35:438:33Waxing Gibbous13Sun
14Mon2:581.93:351.69:330.29:230.25:438:33Full Moon14Mon
15Tue3:492.04:271.610:250.210:200.25:438:34Full Moon15Tue
16Wed4:402.05:181.711:150.111:160.25:438:34Full Moon16Wed
17Thu5:312.06:101.712:060.15:438:34Waning Gibbous17Thu
18Fri6:241.97:051.712:130.212:570.15:448:35Waning Gibbous18Fri
19Sat7:211.88:021.71:110.21:470.15:448:35Waning Gibbous19Sat
20Sun8:201.88:591.82:090.22:370.15:448:35Third Quarter20Sun
21Mon9:191.79:561.83:060.23:280.15:448:35Third Quarter21Mon
22Tue10:191.610:551.84:050.34:200.25:448:35Third Quarter22Tue
23Wed11:221.611:561.85:060.35:150.25:458:36Third Quarter23Wed
24Thu12:251.66:070.36:090.25:458:36Waning Crescent24Thu
25Fri12:531.81:231.57:050.37:030.35:458:36Waning Crescent25Fri
26Sat1:461.82:171.68:010.27:560.35:468:36Waning Crescent26Sat
27Sun2:351.83:071.68:530.28:460.35:468:36Waning Crescent27Sun
28Mon3:211.83:551.69:410.29:320.35:478:36New Moon28Mon
29Tue4:041.84:401.610:240.210:150.35:478:36New Moon29Tue
30Wed4:451.85:221.611:040.210:550.35:478:36New Moon30Wed
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 spring phase. Tonight's moon is 81% 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 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 (81% illuminated). This places Port Tobacco River, MD 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