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 : 8:43 pm (0.3 ft)
Next high tide : in 5h 12m at 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 - Mar 2013

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri11:256.111:526.35:21-0.55:29-0.66:516:24Waning Gibbous1Fri
2Sat12:115.96:13-0.36:18-0.56:506:25Waning Gibbous2Sat
3Sun12:436.31:035.77:110.07:15-0.36:496:26Third Quarter3Sun
4Mon1:426.12:025.58:150.28:20-0.16:486:27Third Quarter4Mon
5Tue2:506.03:105.49:210.39:28-0.16:476:27Third Quarter5Tue
6Wed4:095.94:255.510:260.210:36-0.16:466:28Waning Crescent6Wed
7Thu5:246.15:375.711:280.011:40-0.36:456:29Waning Crescent7Thu
8Fri6:276.26:386.112:26-0.26:436:29Waning Crescent8Fri
9Sat7:206.47:326.412:41-0.41:19-0.56:426:30Waning Crescent9Sat
10Sun9:086.49:206.61:37-0.63:08-0.67:417:31New Moon10Sun
11Mon9:516.410:056.73:28-0.73:52-0.77:407:31New Moon11Mon
12Tue10:326.310:476.74:14-0.74:33-0.77:397:32New Moon12Tue
13Wed11:106.111:286.64:56-0.55:11-0.57:377:33New Moon13Wed
14Thu11:475.95:36-0.35:47-0.37:367:33Waxing Crescent14Thu
15Fri12:066.412:235.76:160.06:230.07:357:34Waxing Crescent15Fri
16Sat12:446.21:015.66:550.37:000.27:347:35Waxing Crescent16Sat
17Sun1:226.01:425.47:380.67:410.57:337:35First Quarter17Sun
18Mon2:045.82:275.38:260.98:300.77:317:36First Quarter18Mon
19Tue2:505.63:185.19:201.19:270.97:307:37First Quarter19Tue
20Wed3:445.54:175.010:171.110:280.97:297:37First Quarter20Wed
21Thu4:485.45:235.111:141.011:270.87:287:38First Quarter21Thu
22Fri5:545.56:265.312:080.97:267:39Waxing Gibbous22Fri
23Sat6:535.77:215.612:250.612:590.77:257:39Waxing Gibbous23Sat
24Sun7:445.98:105.91:200.31:480.47:247:40Waxing Gibbous24Sun
25Mon8:306.18:556.22:120.02:330.17:237:40Full Moon25Mon
26Tue9:136.29:386.53:01-0.33:17-0.27:217:41Full Moon26Tue
27Wed9:556.310:216.73:49-0.54:00-0.57:207:42Full Moon27Wed
28Thu10:396.311:076.84:35-0.74:42-0.77:197:42Full Moon28Thu
29Fri11:246.211:556.95:22-0.75:26-0.77:187:43Waning Gibbous29Fri
30Sat12:136.16:11-0.56:12-0.67:167:44Waning Gibbous30Sat
31Sun12:466.81:056.07:03-0.37:04-0.47:157:44Waning Gibbous31Sun
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 5:43 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 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