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

TIDE TIMES for Saturday, June 20, 2026
The tide is currently rising in St. Marys, St. Marys River, GA.
Next low tide (tomorrow) : 9:12 am (0.0 ft)
Next high tide (tomorrow) : in 4h 01m at 2:54 am (5.9 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 - Apr 2012

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun4:425.65:215.311:130.911:330.67:147:45First Quarter1Sun
2Mon5:525.76:285.612:100.67:137:46Waxing Gibbous2Mon
3Tue6:555.97:276.112:350.31:040.27:117:46Waxing Gibbous3Tue
4Wed7:506.28:216.51:35-0.11:57-0.17:107:47Waxing Gibbous4Wed
5Thu8:416.49:126.92:32-0.52:48-0.57:097:48Full Moon5Thu
6Fri9:306.510:037.23:26-0.73:37-0.87:087:48Full Moon6Fri
7Sat10:216.510:567.34:18-0.94:25-0.97:067:49Full Moon7Sat
8Sun11:136.411:507.35:09-0.95:12-0.97:057:49Waning Gibbous8Sun
9Mon12:066.26:00-0.76:01-0.77:047:50Waning Gibbous9Mon
10Tue12:447.11:006.16:53-0.56:53-0.47:037:51Waning Gibbous10Tue
11Wed1:386.91:545.97:49-0.27:500.07:027:51Waning Gibbous11Wed
12Thu2:336.52:505.78:480.18:530.37:017:52Third Quarter12Thu
13Fri3:296.23:495.79:480.39:570.57:007:53Third Quarter13Fri
14Sat4:295.94:505.710:460.311:000.66:587:53Third Quarter14Sat
15Sun5:295.85:505.911:390.311:590.66:577:54Waning Crescent15Sun
16Mon6:255.76:456.112:290.26:567:55Waning Crescent16Mon
17Tue7:135.87:346.412:530.51:160.16:557:55Waning Crescent17Tue
18Wed7:575.88:186.61:440.32:010.06:547:56Waning Crescent18Wed
19Thu8:375.88:596.72:310.22:420.06:537:56New Moon19Thu
20Fri9:165.89:386.73:150.13:22-0.16:527:57New Moon20Fri
21Sat9:555.810:166.73:550.13:580.06:517:58New Moon21Sat
22Sun10:345.710:546.64:330.14:330.06:507:58New Moon22Sun
23Mon11:135.611:316.45:100.25:070.16:497:59Waxing Crescent23Mon
24Tue11:525.55:460.45:410.26:488:00Waxing Crescent24Tue
25Wed12:076.312:315.36:230.56:170.46:478:00Waxing Crescent25Wed
26Thu12:456.21:115.37:030.76:590.56:468:01Waxing Crescent26Thu
27Fri1:256.11:555.27:480.87:500.76:458:02First Quarter27Fri
28Sat2:106.02:435.38:410.88:520.76:448:02First Quarter28Sat
29Sun3:025.93:405.49:380.79:590.76:438:03First Quarter29Sun
30Mon4:015.84:455.610:360.611:050.66:428:04First Quarter30Mon
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 6:03 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