Tides Today & Tomorrow in Fort Sumter, SC

TIDE TIMES for Monday, July 6, 2026
The tide is currently rising in Fort Sumter, SC.
Next low tide (tomorrow) : 7:39 am (0.0 ft)
Next high tide (tomorrow) : in 3h 49m at 1:10 am (4.8 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 6:17 am
Moon phase : Third Quarter (62% illuminated)
Tide Station Location : Station #8665728
Common Questions About Tides

Fort Sumter, SC Tides - Jan 2064

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue5:085.15:294.111:330.411:24-0.27:215:24Waxing Gibbous1Tue
2Wed5:575.46:184.312:230.17:215:25Full Moon2Wed
3Thu6:445.67:054.512:15-0.51:10-0.17:225:25Full Moon3Thu
4Fri7:315.87:534.61:05-0.71:57-0.37:225:26Full Moon4Fri
5Sat8:195.98:434.81:56-0.92:43-0.57:225:27Full Moon5Sat
6Sun9:075.99:344.92:46-1.03:29-0.67:225:28Waning Gibbous6Sun
7Mon9:555.710:275.03:37-0.94:15-0.77:225:28Waning Gibbous7Mon
8Tue10:455.511:245.04:30-0.75:03-0.67:225:29Waning Gibbous8Tue
9Wed11:375.25:27-0.55:55-0.57:225:30Third Quarter9Wed
10Thu12:235.012:334.86:30-0.26:50-0.47:225:31Third Quarter10Thu
11Fri1:255.11:324.57:350.07:48-0.37:225:32Third Quarter11Fri
12Sat2:285.12:334.38:410.18:47-0.37:225:33Third Quarter12Sat
13Sun3:325.23:374.19:460.19:47-0.27:225:34Waning Crescent13Sun
14Mon4:355.24:394.110:470.110:45-0.37:215:35Waning Crescent14Mon
15Tue5:325.35:364.211:420.011:40-0.37:215:35Waning Crescent15Tue
16Wed6:235.36:264.312:33-0.17:215:36New Moon16Wed
17Thu7:095.47:124.412:31-0.41:19-0.27:215:37New Moon17Thu
18Fri7:515.37:554.41:18-0.42:01-0.27:205:38New Moon18Fri
19Sat8:305.28:374.52:01-0.42:41-0.27:205:39New Moon19Sat
20Sun9:075.19:164.42:42-0.33:17-0.17:205:40Waxing Crescent20Sun
21Mon9:434.99:544.43:20-0.13:51-0.17:195:41Waxing Crescent21Mon
22Tue10:174.710:314.43:570.14:230.07:195:42Waxing Crescent22Tue
23Wed10:524.411:084.34:340.34:560.17:195:43Waxing Crescent23Wed
24Thu11:284.211:494.35:150.55:320.27:185:44First Quarter24Thu
25Fri12:094.06:020.76:130.37:185:45First Quarter25Fri
26Sat12:344.312:563.86:570.87:020.37:175:46First Quarter26Sat
27Sun1:254.41:503.77:570.97:560.37:175:47First Quarter27Sun
28Mon2:234.52:503.79:000.88:550.27:165:48Waxing Gibbous28Mon
29Tue3:274.73:553.810:030.69:57-0.17:155:49Waxing Gibbous29Tue
30Wed4:324.94:584.011:010.310:57-0.47:155:50Waxing Gibbous30Wed
31Thu5:305.25:544.311:550.011:54-0.77:145:50Waxing Gibbous31Thu
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 4:24 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 Fort Sumter, SC?

Fort Sumter, SC 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 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 (62% 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