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

TIDE TIMES for Thursday, August 13, 2026
The tide is currently falling in St. Marys, St. Marys River, GA.
Next low tide : in 1h 27m at 4:12 am (-0.3 ft)
Next high tide : 10:24 am (6.3 ft)
Sunset today : 8:10 pm
Sunrise tomorrow : 6:51 am
Moon phase : New Moon (1% illuminated)
Tide Station Location : Station #8679964
Common Questions About Tides

St. Marys, St. Marys River, GA Tides - Dec 2010

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed5:026.85:116.211:090.311:21-0.27:065:24Waning Crescent1Wed
2Thu6:027.06:086.112:090.27:065:24Waning Crescent2Thu
3Fri6:577.27:006.112:14-0.31:060.17:075:24Waning Crescent3Fri
4Sat7:487.37:496.01:06-0.32:000.17:085:24New Moon4Sat
5Sun8:377.28:375.91:56-0.32:500.17:095:24New Moon5Sun
6Mon9:247.09:255.82:44-0.23:360.27:095:24New Moon6Mon
7Tue10:096.810:125.73:290.04:200.37:105:24Waxing Crescent7Tue
8Wed10:516.510:585.64:110.25:010.57:115:24Waxing Crescent8Wed
9Thu11:316.311:445.64:530.55:420.67:125:25Waxing Crescent9Thu
10Fri12:096.15:350.86:240.87:125:25Waxing Crescent10Fri
11Sat12:295.612:495.96:201.07:080.97:135:25First Quarter11Sat
12Sun1:145.61:305.77:101.27:540.97:145:25First Quarter12Sun
13Mon2:025.62:165.68:061.38:420.97:145:25First Quarter13Mon
14Tue2:535.63:075.49:041.49:300.87:155:26First Quarter14Tue
15Wed3:495.64:035.310:011.310:190.77:165:26Waxing Gibbous15Wed
16Thu4:475.85:005.310:571.211:070.57:165:26Waxing Gibbous16Thu
17Fri5:446.05:555.311:521.111:560.37:175:27Waxing Gibbous17Fri
18Sat6:366.26:465.412:460.97:175:27Waxing Gibbous18Sat
19Sun7:246.57:345.412:460.11:380.67:185:28Full Moon19Sun
20Mon8:116.78:215.51:35-0.12:260.47:195:28Full Moon20Mon
21Tue8:566.89:095.62:23-0.43:120.27:195:29Full Moon21Tue
22Wed9:436.99:595.73:11-0.53:570.07:205:29Full Moon22Wed
23Thu10:316.910:505.83:59-0.64:42-0.17:205:30Waning Gibbous23Thu
24Fri11:196.911:436.04:48-0.65:28-0.27:205:30Waning Gibbous24Fri
25Sat12:076.75:41-0.56:17-0.27:215:31Waning Gibbous25Sat
26Sun12:366.112:566.56:38-0.37:10-0.27:215:31Third Quarter26Sun
27Mon1:316.21:476.27:400.08:06-0.27:225:32Third Quarter27Mon
28Tue2:306.22:425.98:450.29:03-0.27:225:33Third Quarter28Tue
29Wed3:346.33:425.69:490.310:00-0.27:225:33Third Quarter29Wed
30Thu4:426.34:455.510:520.310:57-0.37:235:34Waning Crescent30Thu
31Fri5:466.55:465.411:520.311:54-0.27:235:35Waning Crescent31Fri
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 7:18 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 spring phase. Tonight's moon is 1% 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 New Moon (1% 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