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

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently falling in St. Marys, St. Marys River, GA.
Next low tide : in 33m at 10:06 am (0.4 ft)
Next high tide : 4:40 pm (5.8 ft)
Sunset today : 8:27 pm
Sunrise tomorrow : 6:37 am
Moon phase : First Quarter (62% illuminated)
Tide Station Location : Station #8679964
Common Questions About Tides

St. Marys, St. Marys River, GA Tides - Mar 1974

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri2:396.03:025.29:190.69:290.07:527:24First Quarter1Fri
2Sat3:475.94:145.110:280.610:400.07:517:25First Quarter2Sat
3Sun5:085.95:365.211:350.511:48-0.27:507:26Waxing Gibbous3Sun
4Mon6:266.16:515.612:380.27:497:26Waxing Gibbous4Mon
5Tue7:316.47:546.112:54-0.51:37-0.27:487:27Waxing Gibbous5Tue
6Wed8:276.68:506.51:56-0.72:31-0.57:467:28Waxing Gibbous6Wed
7Thu9:176.79:416.82:53-1.03:21-0.87:457:28Full Moon7Thu
8Fri10:036.610:306.93:46-1.14:07-0.97:447:29Full Moon8Fri
9Sat10:486.511:166.94:35-1.14:49-0.97:437:30Full Moon9Sat
10Sun11:306.35:21-0.95:30-0.77:427:30Waning Gibbous10Sun
11Mon12:006.712:116.06:05-0.56:10-0.47:417:31Waning Gibbous11Mon
12Tue12:436.512:515.86:50-0.16:500.07:397:32Waning Gibbous12Tue
13Wed1:246.21:315.57:370.37:320.37:387:32Waning Gibbous13Wed
14Thu2:055.92:155.38:270.78:190.67:377:33Third Quarter14Thu
15Fri2:505.63:045.29:210.99:140.97:367:34Third Quarter15Fri
16Sat3:425.44:005.110:171.010:131.07:347:34Third Quarter16Sat
17Sun4:445.35:035.111:131.011:130.97:337:35Third Quarter17Sun
18Mon5:495.36:065.312:060.97:327:36Waning Crescent18Mon
19Tue6:485.57:035.512:100.812:560.77:317:36Waning Crescent19Tue
20Wed7:395.77:535.81:040.61:430.57:307:37Waning Crescent20Wed
21Thu8:245.98:386.01:550.32:260.37:287:38Waning Crescent21Thu
22Fri9:056.09:206.22:420.13:070.17:277:38New Moon22Fri
23Sat9:446.09:596.43:26-0.13:45-0.17:267:39New Moon23Sat
24Sun10:215.910:376.54:08-0.24:22-0.27:257:39New Moon24Sun
25Mon10:575.911:166.64:49-0.34:59-0.37:237:40New Moon25Mon
26Tue11:365.811:576.65:32-0.25:38-0.47:227:41Waxing Crescent26Tue
27Wed12:185.76:16-0.16:21-0.37:217:41Waxing Crescent27Wed
28Thu12:436.61:055.67:060.17:11-0.27:207:42Waxing Crescent28Thu
29Fri1:346.51:595.58:030.48:100.07:187:43First Quarter29Fri
30Sat2:326.33:005.49:060.59:170.17:177:43First Quarter30Sat
31Sun3:376.24:115.510:110.510:270.17:167:44First Quarter31Sun
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 1:23 pm — 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 62% 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 (62% 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