Tides Today & Tomorrow in Fort Sumter, SC

TIDE TIMES for Friday, July 3, 2026
The tide is currently falling in Fort Sumter, SC.
Next low tide : in 3h 39m at 4:44 pm (0.4 ft)
Next high tide : 11:06 pm (5.2 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 6:16 am
Moon phase : Waning Gibbous (88% illuminated)
Tide Station Location : Station #8665728
Common Questions About Tides

Fort Sumter, SC Tides - Feb 2058

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri2:164.72:354.08:380.58:400.17:135:52First Quarter1Fri
2Sat3:104.63:303.99:370.59:320.27:135:53Waxing Gibbous2Sat
3Sun4:064.64:253.910:310.510:240.17:125:54Waxing Gibbous3Sun
4Mon4:584.75:174.011:220.411:130.07:115:55Waxing Gibbous4Mon
5Tue5:454.96:044.212:070.37:105:56Waxing Gibbous5Tue
6Wed6:285.06:474.312:480.27:105:57Full Moon6Wed
7Thu7:095.17:284.412:42-0.21:270.17:095:57Full Moon7Thu
8Fri7:465.18:064.41:23-0.32:020.07:085:58Full Moon8Fri
9Sat8:225.18:424.42:02-0.32:360.07:075:59Full Moon9Sat
10Sun8:545.09:144.52:40-0.33:08-0.17:066:00Waning Gibbous10Sun
11Mon9:264.99:464.53:19-0.33:41-0.17:056:01Waning Gibbous11Mon
12Tue9:584.810:204.63:59-0.24:16-0.17:046:02Waning Gibbous12Tue
13Wed10:354.711:024.74:42-0.14:55-0.17:036:03Waning Gibbous13Wed
14Thu11:204.511:534.85:320.15:41-0.17:026:04Third Quarter14Thu
15Fri12:124.36:310.36:35-0.17:016:05Third Quarter15Fri
16Sat12:554.81:144.27:370.37:37-0.17:006:06Third Quarter16Sat
17Sun2:054.92:244.18:450.38:45-0.26:596:06Third Quarter17Sun
18Mon3:215.13:394.29:530.19:54-0.36:586:07Waning Crescent18Mon
19Tue4:365.34:514.510:57-0.211:00-0.66:576:08Waning Crescent19Tue
20Wed5:415.65:544.811:56-0.56:566:09Waning Crescent20Wed
21Thu6:385.96:515.112:02-0.912:49-0.86:556:10New Moon21Thu
22Fri7:306.07:455.312:59-1.11:40-1.06:546:11New Moon22Fri
23Sat8:216.08:365.51:53-1.22:28-1.06:536:11New Moon23Sat
24Sun9:085.89:255.52:44-1.13:13-1.06:526:12Waxing Crescent24Sun
25Mon9:545.510:135.43:34-0.93:57-0.86:516:13Waxing Crescent25Mon
26Tue10:395.211:005.34:23-0.64:40-0.56:506:14Waxing Crescent26Tue
27Wed11:254.811:485.15:13-0.25:24-0.26:486:15Waxing Crescent27Wed
28Thu12:124.46:060.26:110.16:476:16First Quarter28Thu
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 7:55 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 spring phase. Tonight's moon is 88% 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 (88% 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