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

TIDE TIMES for Saturday, July 11, 2026
The tide is currently falling in St. Marys, St. Marys River, GA.
Next low tide : in 1h 55m at 12:53 pm (-0.6 ft)
Next high tide : 7:35 pm (6.8 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 6:31 am
Moon phase : Waning Crescent (11% illuminated)
Tide Station Location : Station #8679964
Common Questions About Tides

St. Marys, St. Marys River, GA Tides - Sep 1983

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu3:525.44:426.410:150.511:141.17:027:50Third Quarter1Thu
2Fri5:035.55:546.711:190.37:027:48Waning Crescent2Fri
3Sat6:155.86:597.012:160.812:210.07:037:47Waning Crescent3Sat
4Sun7:196.17:567.31:140.41:22-0.37:047:46Waning Crescent4Sun
5Mon8:166.58:497.42:090.12:21-0.57:047:45New Moon5Mon
6Tue9:116.89:407.43:02-0.23:17-0.67:057:44New Moon6Tue
7Wed10:057.010:307.33:51-0.34:11-0.67:057:42New Moon7Wed
8Thu11:007.011:207.04:38-0.45:03-0.47:067:41New Moon8Thu
9Fri11:537.05:24-0.25:54-0.17:067:40Waxing Crescent9Fri
10Sat12:096.712:466.96:090.06:460.37:077:39Waxing Crescent10Sat
11Sun12:566.31:366.86:550.37:410.77:087:37Waxing Crescent11Sun
12Mon1:436.02:266.67:440.78:391.17:087:36First Quarter12Mon
13Tue2:315.83:166.48:370.99:371.27:097:35First Quarter13Tue
14Wed3:205.64:096.39:321.110:331.37:097:33First Quarter14Wed
15Thu4:145.65:046.310:271.111:251.27:107:32First Quarter15Thu
16Fri5:105.75:576.411:191.17:107:31Waxing Gibbous16Fri
17Sat6:055.96:466.512:131.112:101.07:117:30Waxing Gibbous17Sat
18Sun6:566.17:316.71:000.912:580.87:117:28Waxing Gibbous18Sun
19Mon7:426.38:136.81:430.81:450.77:127:27Waxing Gibbous19Mon
20Tue8:266.58:526.82:250.62:300.67:137:26Full Moon20Tue
21Wed9:076.69:306.73:040.63:120.67:137:25Full Moon21Wed
22Thu9:456.610:066.63:410.63:530.67:147:23Full Moon22Thu
23Fri10:236.610:416.44:160.64:330.67:147:22Full Moon23Fri
24Sat11:006.511:176.24:510.65:130.87:157:21Waning Gibbous24Sat
25Sun11:406.511:576.05:260.75:551.07:157:19Waning Gibbous25Sun
26Mon12:246.56:040.76:431.27:167:18Waning Gibbous26Mon
27Tue12:425.81:146.56:490.87:401.47:177:17Waning Gibbous27Tue
28Wed1:345.72:116.67:440.98:461.57:177:16Third Quarter28Wed
29Thu2:345.63:166.68:490.99:541.47:187:14Third Quarter29Thu
30Fri3:425.64:276.79:580.810:581.17:187:13Third Quarter30Fri
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 4:14 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 spring phase. Tonight's moon is 11% 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 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 (11% illuminated). This places St. Marys, St. Marys River, GA 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