Tides Today & Tomorrow in Fort Sumter, SC

TIDE TIMES for Friday, June 19, 2026
The tide is currently rising in Fort Sumter, SC.
Next low tide : 6:28 pm (0.0 ft)
Next high tide : in 57m at 12:41 pm (5.0 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 6:11 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8665728
Common Questions About Tides

Fort Sumter, SC Tides - Feb 2024

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu11:504.15:560.65:580.37:145:51Third Quarter1Thu
2Fri12:274.312:363.96:510.76:460.37:135:52Third Quarter2Fri
3Sat1:194.41:303.87:520.77:420.37:125:53Third Quarter3Sat
4Sun2:194.52:313.78:550.78:430.27:125:54Third Quarter4Sun
5Mon3:264.73:383.89:590.59:480.07:115:55Waning Crescent5Mon
6Tue4:344.94:454.010:590.210:52-0.37:105:56Waning Crescent6Tue
7Wed5:355.35:444.411:54-0.111:51-0.77:095:57Waning Crescent7Wed
8Thu6:295.66:394.712:46-0.57:095:58New Moon8Thu
9Fri7:205.97:325.012:47-1.01:35-0.87:085:59New Moon9Fri
10Sat8:106.08:245.31:42-1.22:23-1.07:076:00New Moon10Sat
11Sun8:595.99:175.42:35-1.33:09-1.17:066:00Waxing Crescent11Sun
12Mon9:485.710:095.53:27-1.23:56-1.17:056:01Waxing Crescent12Mon
13Tue10:375.411:035.54:20-0.94:43-1.07:046:02Waxing Crescent13Tue
14Wed11:295.011:595.35:16-0.65:32-0.77:036:03Waxing Crescent14Wed
15Thu12:244.66:16-0.26:26-0.47:026:04First Quarter15Thu
16Fri12:585.21:224.27:210.17:24-0.27:016:05First Quarter16Fri
17Sat2:005.02:234.08:260.48:240.07:006:06First Quarter17Sat
18Sun3:034.93:273.99:300.49:260.16:596:07Waxing Gibbous18Sun
19Mon4:084.84:294.010:300.410:250.16:586:08Waxing Gibbous19Mon
20Tue5:064.95:244.111:240.411:200.06:576:08Waxing Gibbous20Tue
21Wed5:554.96:124.312:110.36:566:09Waxing Gibbous21Wed
22Thu6:385.06:554.512:09-0.112:530.16:556:10Full Moon22Thu
23Fri7:165.17:354.612:54-0.21:310.16:546:11Full Moon23Fri
24Sat7:525.18:134.71:35-0.22:060.06:536:12Full Moon24Sat
25Sun8:275.08:494.72:14-0.22:370.06:526:13Full Moon25Sun
26Mon8:594.99:224.72:51-0.13:070.16:506:13Waning Gibbous26Mon
27Tue9:304.79:524.73:270.03:350.16:496:14Waning Gibbous27Tue
28Wed10:004.510:224.74:030.24:040.26:486:15Waning Gibbous28Wed
29Thu10:324.310:554.74:410.34:370.26:476:16Waning Gibbous29Thu
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 3:34 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 27% 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 Waxing Crescent (27% 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