Tides Today & Tomorrow in Fort Sumter, SC

TIDE TIMES for Thursday, June 4, 2026
The tide is currently falling in Fort Sumter, SC.
Next low tide : in 3h 02m at 5:21 am (0.6 ft)
Next high tide : 11:12 am (4.1 ft)
Sunset today : 8:24 pm
Sunrise tomorrow : 6:11 am
Moon phase : Waning Gibbous (84% illuminated)
Tide Station Location : Station #8665728
Common Questions About Tides

Fort Sumter, SC Tides - Jun 2027

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue5:244.45:585.611:290.06:128:22Waning Crescent1Tue
2Wed6:184.56:485.912:260.512:20-0.26:128:22Waning Crescent2Wed
3Thu7:104.67:386.11:200.21:12-0.46:118:23New Moon3Thu
4Fri8:024.78:296.32:120.02:04-0.56:118:24New Moon4Fri
5Sat8:564.79:236.33:04-0.22:57-0.66:118:24New Moon5Sat
6Sun9:544.810:186.33:55-0.33:51-0.66:118:25Waxing Crescent6Sun
7Mon10:534.811:146.14:46-0.34:46-0.56:118:25Waxing Crescent7Mon
8Tue11:534.95:38-0.35:43-0.36:118:26Waxing Crescent8Tue
9Wed12:115.912:545.06:32-0.36:43-0.16:108:26Waxing Crescent9Wed
10Thu1:085.61:565.17:28-0.27:480.16:108:27First Quarter10Thu
11Fri2:045.42:555.38:23-0.28:530.26:108:27First Quarter11Fri
12Sat2:595.13:525.49:17-0.29:550.36:108:27First Quarter12Sat
13Sun3:544.84:485.610:09-0.210:550.36:108:28Waxing Gibbous13Sun
14Mon4:484.65:425.711:00-0.111:520.36:108:28Waxing Gibbous14Mon
15Tue5:414.56:315.811:49-0.16:118:28Waxing Gibbous15Tue
16Wed6:314.47:165.812:440.212:360.06:118:29Waxing Gibbous16Wed
17Thu7:174.47:595.71:320.21:210.06:118:29Full Moon17Thu
18Fri8:024.48:405.72:180.22:040.16:118:29Full Moon18Fri
19Sat8:454.49:205.53:010.22:460.26:118:30Full Moon19Sat
20Sun9:284.39:595.43:410.33:260.36:118:30Full Moon20Sun
21Mon10:104.310:365.24:190.34:040.46:118:30Waning Gibbous21Mon
22Tue10:514.311:135.14:550.44:420.66:128:30Waning Gibbous22Tue
23Wed11:324.211:494.95:310.55:210.76:128:31Waning Gibbous23Wed
24Thu12:134.36:060.56:040.86:128:31Waning Gibbous24Thu
25Fri12:264.812:574.46:450.56:541.06:138:31Third Quarter25Fri
26Sat1:064.61:434.57:270.47:501.06:138:31Third Quarter26Sat
27Sun1:524.52:334.88:130.48:511.06:138:31Third Quarter27Sun
28Mon2:424.43:255.09:030.29:540.96:148:31Third Quarter28Mon
29Tue3:384.34:225.39:560.110:570.76:148:31Waning Crescent29Tue
30Wed4:394.35:235.610:52-0.111:580.56:148:31Waning Crescent30Wed
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 8:16 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 spring phase. Tonight's moon is 84% 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 near their weekly maximum.

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 Waning Gibbous (84% illuminated). This places Fort Sumter, SC in a spring tide cycle, so tidal ranges are near their weekly maximum 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