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

TIDE TIMES for Saturday, August 8, 2026
The tide is currently falling in St. Marys, St. Marys River, GA.
Next low tide (tomorrow) : in 6h 04m at 12:39 am (0.5 ft)
Next high tide (tomorrow) : 6:36 am (5.4 ft)
Sunset today : 8:15 pm
Sunrise tomorrow : 6:48 am
Moon phase : Waning Crescent (22% illuminated)
Tide Station Location : Station #8679964
Common Questions About Tides

St. Marys, St. Marys River, GA Tides - Aug 1947

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri9:145.59:486.43:270.33:150.16:438:21Full Moon1Fri
2Sat9:575.510:276.34:060.33:560.26:448:20Full Moon2Sat
3Sun10:395.511:056.14:430.34:350.26:448:20Full Moon3Sun
4Mon11:205.511:426.05:190.45:140.36:458:19Waning Gibbous4Mon
5Tue12:015.55:540.45:540.46:458:18Waning Gibbous5Tue
6Wed12:185.912:425.66:300.56:390.66:468:17Waning Gibbous6Wed
7Thu12:575.81:265.77:100.47:310.76:478:16Waning Gibbous7Thu
8Fri1:405.62:145.87:580.48:330.96:478:15Third Quarter8Fri
9Sat2:285.53:106.08:520.39:401.06:488:14Third Quarter9Sat
10Sun3:245.44:146.29:520.210:470.96:488:14Third Quarter10Sun
11Mon4:295.35:256.410:540.011:520.76:498:13Waning Crescent11Mon
12Tue5:415.36:356.711:55-0.26:508:12Waning Crescent12Tue
13Wed6:505.57:377.012:540.512:57-0.46:508:11Waning Crescent13Wed
14Thu7:535.88:347.21:530.21:57-0.66:518:10Waning Crescent14Thu
15Fri8:526.09:277.32:49-0.12:55-0.76:528:09New Moon15Fri
16Sat9:486.310:207.23:41-0.33:51-0.76:528:08New Moon16Sat
17Sun10:446.411:107.04:30-0.44:43-0.66:538:07New Moon17Sun
18Mon11:386.511:596.75:16-0.35:35-0.36:538:06Waxing Crescent18Mon
19Tue12:316.56:01-0.26:260.06:548:05Waxing Crescent19Tue
20Wed12:456.41:206.46:460.17:190.46:558:04Waxing Crescent20Wed
21Thu1:296.02:086.37:330.38:140.86:558:03First Quarter21Thu
22Fri2:135.82:566.28:210.69:111.06:568:01First Quarter22Fri
23Sat2:585.63:466.19:110.710:081.16:568:00First Quarter23Sat
24Sun3:475.44:396.110:030.811:011.16:577:59First Quarter24Sun
25Mon4:405.45:336.110:540.811:521.16:587:58Waxing Gibbous25Mon
26Tue5:365.56:266.311:440.76:587:57Waxing Gibbous26Tue
27Wed6:305.67:146.412:410.912:320.76:597:56Waxing Gibbous27Wed
28Thu7:205.87:596.61:280.81:200.66:597:55Waxing Gibbous28Thu
29Fri8:066.08:406.62:130.62:070.47:007:54Waxing Gibbous29Fri
30Sat8:496.19:196.62:540.52:510.47:007:52Full Moon30Sat
31Sun9:306.19:576.63:330.53:330.37:017:51Full Moon31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8679964)

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

Show All
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 3:37 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 St. Marys, St. Marys River, GA?

St. Marys, St. Marys River, GA is currently in a transitional phase. Tonight's moon is 22% 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 Waning Crescent (22% 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