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 41m 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 2013

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon4:155.54:556.110:33-0.111:110.66:278:33Third Quarter1Mon
2Tue5:065.35:486.111:21-0.16:278:33Waning Crescent2Tue
3Wed5:585.36:386.212:030.512:08-0.16:278:33Waning Crescent3Wed
4Thu6:485.37:256.312:530.512:55-0.16:288:33Waning Crescent4Thu
5Fri7:355.48:096.41:410.41:40-0.16:288:32Waning Crescent5Fri
6Sat8:215.58:516.42:270.32:25-0.16:298:32New Moon6Sat
7Sun9:055.59:316.43:100.23:08-0.16:298:32New Moon7Sun
8Mon9:495.410:116.33:510.23:49-0.16:308:32New Moon8Mon
9Tue10:325.410:506.24:290.24:280.06:308:32New Moon9Tue
10Wed11:135.311:286.15:050.25:070.16:318:31Waxing Crescent10Wed
11Thu11:545.35:400.25:470.26:318:31Waxing Crescent11Thu
12Fri12:056.012:345.36:160.26:300.36:328:31Waxing Crescent12Fri
13Sat12:445.91:165.46:550.27:190.56:328:31Waxing Crescent13Sat
14Sun1:265.82:025.57:400.18:170.66:338:30First Quarter14Sun
15Mon2:135.72:535.78:320.19:210.76:338:30First Quarter15Mon
16Tue3:065.63:545.99:30-0.110:260.66:348:30First Quarter16Tue
17Wed4:055.55:036.110:31-0.211:300.46:358:29First Quarter17Wed
18Thu5:125.56:146.411:32-0.46:358:29Waxing Gibbous18Thu
19Fri6:215.67:186.712:310.212:32-0.66:368:28Waxing Gibbous19Fri
20Sat7:255.88:167.01:31-0.11:32-0.86:368:28Waxing Gibbous20Sat
21Sun8:256.09:117.12:29-0.42:31-0.96:378:27Full Moon21Sun
22Mon9:226.210:057.13:23-0.73:27-1.06:388:27Full Moon22Mon
23Tue10:196.310:577.04:14-0.84:21-0.96:388:26Full Moon23Tue
24Wed11:156.411:486.75:03-0.85:13-0.76:398:26Waning Gibbous24Wed
25Thu12:106.45:50-0.76:04-0.46:398:25Waning Gibbous25Thu
26Fri12:376.41:016.36:37-0.56:570.06:408:24Waning Gibbous26Fri
27Sat1:226.11:516.27:25-0.37:510.46:418:24Waning Gibbous27Sat
28Sun2:075.82:396.18:140.08:480.76:418:23Third Quarter28Sun
29Mon2:515.63:276.09:050.29:440.86:428:23Third Quarter29Mon
30Tue3:385.44:186.09:560.310:390.96:428:22Third Quarter30Tue
31Wed4:295.35:116.010:460.311:310.86:438:21Third Quarter31Wed
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