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

TIDE TIMES for Saturday, June 20, 2026
The tide is currently falling in St. Marys, St. Marys River, GA.
Next low tide : in 39m at 8:21 am (-0.1 ft)
Next high tide : 2:44 pm (5.8 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 6:23 am
Moon phase : First Quarter (37% illuminated)
Tide Station Location : Station #8679964
Common Questions About Tides

St. Marys, St. Marys River, GA Tides - Sep 2035

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat9:146.89:397.23:02-0.33:18-0.57:027:49New Moon1Sat
2Sun10:056.810:257.03:49-0.34:09-0.47:037:48New Moon2Sun
3Mon10:546.811:106.74:34-0.24:57-0.17:037:47New Moon3Mon
4Tue11:436.711:546.45:170.05:430.27:047:46Waxing Crescent4Tue
5Wed12:296.55:580.36:300.67:047:44Waxing Crescent5Wed
6Thu12:376.21:156.46:400.67:180.97:057:43Waxing Crescent6Thu
7Fri1:206.02:006.27:230.88:101.27:067:42First Quarter7Fri
8Sat2:055.82:466.18:101.09:051.47:067:41First Quarter8Sat
9Sun2:535.73:366.19:021.110:001.47:077:39First Quarter9Sun
10Mon3:455.74:306.19:561.210:531.37:077:38First Quarter10Mon
11Tue4:415.85:266.210:491.111:431.17:087:37First Quarter11Tue
12Wed5:385.96:196.411:410.97:087:36Waxing Gibbous12Wed
13Thu6:326.17:086.612:310.912:300.87:097:34Waxing Gibbous13Thu
14Fri7:216.37:526.81:170.71:190.67:097:33Waxing Gibbous14Fri
15Sat8:066.58:336.82:010.62:060.47:107:32Waxing Gibbous15Sat
16Sun8:486.69:126.82:430.42:520.37:117:30Full Moon16Sun
17Mon9:286.79:506.83:240.33:370.27:117:29Full Moon17Mon
18Tue10:096.810:306.74:040.24:220.27:127:28Full Moon18Tue
19Wed10:526.811:136.54:440.25:080.37:127:27Waning Gibbous19Wed
20Thu11:406.95:260.25:560.47:137:25Waning Gibbous20Thu
21Fri12:026.312:336.96:120.26:490.67:137:24Waning Gibbous21Fri
22Sat12:556.21:306.97:030.37:490.87:147:23Waning Gibbous22Sat
23Sun1:536.12:316.98:020.48:550.97:157:21Third Quarter23Sun
24Mon2:556.03:366.99:070.510:010.97:157:20Third Quarter24Mon
25Tue4:036.14:447.010:130.411:030.77:167:19Third Quarter25Tue
26Wed5:126.25:507.111:160.37:167:18Waning Crescent26Wed
27Thu6:176.56:487.212:010.412:160.17:177:16Waning Crescent27Thu
28Fri7:156.87:407.312:560.21:140.07:177:15Waning Crescent28Fri
29Sat8:077.18:287.31:480.12:09-0.17:187:14Waning Crescent29Sat
30Sun8:557.29:117.12:360.03:00-0.17:197:13New Moon30Sun
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 11:32 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 37% 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 First Quarter (37% 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