Tides Today & Tomorrow in St. Marys, St. Marys River, GA

TIDE TIMES for Friday, August 7, 2026
The tide is currently rising in St. Marys, St. Marys River, GA.
Next low tide : 11:36 pm (0.8 ft)
Next high tide : in 3m at 5:10 pm (6.4 ft)
Sunset today : 8:16 pm
Sunrise tomorrow : 6:47 am
Moon phase : Third Quarter (32% illuminated)
Tide Station Location : Station #8679964
Common Questions About Tides

St. Marys, St. Marys River, GA Tides - Apr 1949

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri10:435.510:586.24:360.24:370.26:156:45Waxing Crescent1Fri
2Sat11:175.411:346.15:120.45:100.26:136:45Waxing Crescent2Sat
3Sun11:545.25:530.75:490.36:126:46Waxing Crescent3Sun
4Mon12:156.112:375.16:420.96:370.56:116:46First Quarter4Mon
5Tue1:036.01:285.07:411.17:390.66:106:47First Quarter5Tue
6Wed2:005.92:305.08:471.18:510.66:096:48First Quarter6Wed
7Thu3:105.83:455.19:520.910:030.46:076:48First Quarter7Thu
8Fri4:285.95:025.510:530.611:110.16:066:49Waxing Gibbous8Fri
9Sat5:386.16:096.011:510.26:056:50Waxing Gibbous9Sat
10Sun6:376.47:066.612:15-0.212:45-0.26:046:50Waxing Gibbous10Sun
11Mon7:306.58:007.01:15-0.61:37-0.56:036:51Full Moon11Mon
12Tue8:206.58:517.32:11-0.82:26-0.76:016:52Full Moon12Tue
13Wed9:096.49:427.33:04-0.93:12-0.86:006:52Full Moon13Wed
14Thu9:576.210:337.23:54-0.83:57-0.75:596:53Full Moon14Thu
15Fri10:466.011:237.04:44-0.54:42-0.55:586:53Waning Gibbous15Fri
16Sat11:355.75:34-0.25:27-0.15:576:54Waning Gibbous16Sat
17Sun12:126.712:235.46:260.36:160.45:566:55Waning Gibbous17Sun
18Mon1:016.31:135.27:210.67:100.85:556:55Third Quarter18Mon
19Tue1:515.92:065.18:190.88:111.15:546:56Third Quarter19Tue
20Wed2:445.63:035.19:150.99:141.25:536:57Third Quarter20Wed
21Thu3:425.44:035.210:080.910:141.25:516:57Third Quarter21Thu
22Fri4:405.45:025.510:580.811:101.05:506:58Waning Crescent22Fri
23Sat5:335.55:555.811:440.65:496:59Waning Crescent23Sat
24Sun7:215.67:426.112:020.81:280.46:487:59Waning Crescent24Sun
25Mon8:045.78:256.31:510.62:090.36:478:00Waning Crescent25Mon
26Tue8:455.89:066.52:370.42:490.26:468:01New Moon26Tue
27Wed9:245.79:456.53:200.33:260.16:458:01New Moon27Wed
28Thu10:025.610:226.54:000.34:010.16:448:02New Moon28Thu
29Fri10:405.510:596.54:390.34:350.16:438:03New Moon29Fri
30Sat11:175.311:366.45:170.45:100.16:438:03Waxing Crescent30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8679964)

Common Questions About St. Marys, St. Marys River, GA Tides

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What time does the tide turn (slack tide) in St. Marys, St. Marys River, GA today?

Slack tide in St. Marys, St. Marys River, GA is approximately 8:23 pm — 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 St. Marys, St. Marys River, GA?

St. Marys, St. Marys River, GA is currently in a transitional phase. Tonight's moon is 32% 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 St. Marys, St. Marys River, GA 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 St. Marys, St. Marys River, GA?

Tide predictions for St. Marys, St. Marys River, GA 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 St. Marys, St. Marys River, GA?

Tide data for St. Marys, St. Marys River, GA is sourced from NOAA Station #8679964. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8679964.

What is the moon phase in St. Marys, St. Marys River, GA tonight?

Tonight the moon over St. Marys, St. Marys River, GA is Third Quarter (32% illuminated). This places St. Marys, St. Marys River, GA 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