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 3h 07m 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 - Jul 2035

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:445.66:336.512:05-0.66:278:33Waning Crescent1Sun
2Mon6:495.67:346.812:510.01:02-0.86:278:33Waning Crescent2Mon
3Tue7:515.88:327.11:52-0.32:00-1.06:278:33Waning Crescent3Tue
4Wed8:505.99:287.22:50-0.52:56-1.16:288:33New Moon4Wed
5Thu9:495.910:247.23:45-0.73:51-1.16:288:32New Moon5Thu
6Fri10:486.011:197.14:37-0.84:44-1.06:298:32New Moon6Fri
7Sat11:466.05:28-0.85:37-0.86:298:32Waxing Crescent7Sat
8Sun12:126.912:426.06:17-0.66:30-0.56:308:32Waxing Crescent8Sun
9Mon1:026.61:356.07:07-0.47:25-0.16:308:32Waxing Crescent9Mon
10Tue1:496.32:255.97:58-0.28:220.26:318:32First Quarter10Tue
11Wed2:346.03:155.98:49-0.19:200.46:318:31First Quarter11Wed
12Thu3:205.74:065.99:400.010:170.56:328:31First Quarter12Thu
13Fri4:075.54:585.910:290.111:100.56:328:31First Quarter13Fri
14Sat4:585.55:506.011:160.16:338:30Waxing Gibbous14Sat
15Sun5:495.46:396.112:010.512:020.06:338:30Waxing Gibbous15Sun
16Mon6:405.57:266.312:500.412:480.06:348:30Waxing Gibbous16Mon
17Tue7:285.68:106.41:380.31:330.06:348:29Waxing Gibbous17Tue
18Wed8:145.68:536.42:250.22:17-0.16:358:29Full Moon18Wed
19Thu8:595.69:336.43:090.13:00-0.16:368:29Full Moon19Thu
20Fri9:425.610:136.33:500.13:41-0.16:368:28Full Moon20Fri
21Sat10:255.510:516.24:290.14:210.06:378:28Full Moon21Sat
22Sun11:075.511:296.15:060.15:000.06:378:27Waning Gibbous22Sun
23Mon11:485.55:430.25:410.16:388:26Waning Gibbous23Mon
24Tue12:066.012:315.56:210.26:250.26:398:26Waning Gibbous24Tue
25Wed12:465.91:155.67:030.27:160.46:398:25Waning Gibbous25Wed
26Thu1:295.82:045.87:510.18:160.56:408:25Third Quarter26Thu
27Fri2:185.72:586.08:460.09:220.66:408:24Third Quarter27Fri
28Sat3:135.74:006.19:45-0.110:280.56:418:23Third Quarter28Sat
29Sun4:165.65:086.410:44-0.311:320.36:428:23Third Quarter29Sun
30Mon5:265.66:166.711:44-0.56:428:22Waning Crescent30Mon
31Tue6:345.77:196.912:340.112:44-0.76:438:21Waning Crescent31Tue
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