Tides Today & Tomorrow in Fort Sumter, SC

TIDE TIMES for Saturday, June 6, 2026
The tide is currently falling in Fort Sumter, SC.
Next low tide : in 1h 27m at 6:37 pm (0.8 ft)
Next high tide (tomorrow) : 12:54 am (4.9 ft)
Sunset today : 8:25 pm
Sunrise tomorrow : 6:11 am
Moon phase : Third Quarter (67% illuminated)
Tide Station Location : Station #8665728
Common Questions About Tides

Fort Sumter, SC Tides - Dec 2031

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon9:085.79:324.82:480.13:320.47:035:13Waning Gibbous1Mon
2Tue9:465.510:134.63:270.34:090.67:045:13Waning Gibbous2Tue
3Wed10:245.310:564.54:050.54:450.77:055:13Waning Gibbous3Wed
4Thu11:035.111:404.44:460.75:230.87:065:13Waning Gibbous4Thu
5Fri11:454.95:310.86:050.97:075:13Third Quarter5Fri
6Sat12:274.412:314.86:220.96:500.87:075:13Third Quarter6Sat
7Sun1:174.51:214.77:191.07:400.77:085:13Third Quarter7Sun
8Mon2:094.62:134.68:180.98:310.67:095:13Third Quarter8Mon
9Tue3:044.83:084.69:180.89:240.47:105:13Waning Crescent9Tue
10Wed4:005.14:064.710:170.610:180.17:105:13Waning Crescent10Wed
11Thu4:555.55:034.811:130.311:13-0.27:115:13Waning Crescent11Thu
12Fri5:485.85:564.912:070.07:125:14Waning Crescent12Fri
13Sat6:386.06:485.112:06-0.512:59-0.37:125:14New Moon13Sat
14Sun7:296.27:415.212:59-0.71:51-0.57:135:14New Moon14Sun
15Mon8:226.38:365.21:51-0.92:41-0.77:145:14New Moon15Mon
16Tue9:156.29:325.32:44-0.93:32-0.77:145:15Waxing Crescent16Tue
17Wed10:096.110:305.23:38-0.84:23-0.77:155:15Waxing Crescent17Wed
18Thu11:055.811:305.24:33-0.65:15-0.67:165:16Waxing Crescent18Thu
19Fri12:025.55:33-0.36:10-0.47:165:16First Quarter19Fri
20Sat12:325.21:005.26:36-0.17:07-0.37:175:16First Quarter20Sat
21Sun1:335.21:575.07:420.18:04-0.37:175:17First Quarter21Sun
22Mon2:335.22:544.88:460.29:00-0.27:185:17First Quarter22Mon
23Tue3:325.33:524.69:470.29:54-0.27:185:18Waxing Gibbous23Tue
24Wed4:295.44:464.610:450.210:46-0.37:195:18Waxing Gibbous24Wed
25Thu5:205.45:364.611:370.111:35-0.37:195:19Waxing Gibbous25Thu
26Fri6:065.56:224.612:250.07:195:20Full Moon26Fri
27Sat6:495.57:054.612:21-0.31:090.07:205:20Full Moon27Sat
28Sun7:285.57:474.61:04-0.31:500.07:205:21Full Moon28Sun
29Mon8:065.48:274.61:45-0.32:280.07:205:22Full Moon29Mon
30Tue8:435.39:064.52:24-0.23:040.17:215:22Full Moon30Tue
31Wed9:185.29:454.43:01-0.13:370.17:215:23Waning Gibbous31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8665728)

Common Questions About Fort Sumter, SC Tides

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What time does the tide turn (slack tide) in Fort Sumter, SC today?

Slack tide in Fort Sumter, SC is approximately 9:45 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 Fort Sumter, SC?

Fort Sumter, SC is currently in a transitional phase. Tonight's moon is 67% 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 Fort Sumter, SC 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 Fort Sumter, SC?

Tide predictions for Fort Sumter, SC 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 Fort Sumter, SC?

Tide data for Fort Sumter, SC is sourced from NOAA Station #8665728. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8665728.

What is the moon phase in Fort Sumter, SC tonight?

Tonight the moon over Fort Sumter, SC is Third Quarter (67% illuminated). This places Fort Sumter, SC 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