Tides Today & Tomorrow in Fort Sumter, SC

TIDE TIMES for Sunday, July 5, 2026
The tide is currently rising in Fort Sumter, SC.
Next low tide (tomorrow) : 6:51 am (0.1 ft)
Next high tide (tomorrow) : in 3h 57m at 12:22 am (4.9 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 6:17 am
Moon phase : Waning Gibbous (72% illuminated)
Tide Station Location : Station #8665728
Common Questions About Tides

Fort Sumter, SC Tides - Mar 2062

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed11:584.26:060.45:590.46:466:16Third Quarter1Wed
2Thu12:394.712:473.97:000.76:480.66:456:17Third Quarter2Thu
3Fri1:324.51:413.87:570.97:430.86:446:18Third Quarter3Fri
4Sat2:294.42:403.88:550.98:430.86:426:19Third Quarter4Sat
5Sun3:304.53:403.89:510.99:430.76:416:20Waning Crescent5Sun
6Mon4:294.64:384.010:430.810:390.56:406:20Waning Crescent6Mon
7Tue5:214.85:294.311:290.611:290.36:396:21Waning Crescent7Tue
8Wed6:054.96:144.512:110.36:376:22Waning Crescent8Wed
9Thu6:465.16:544.812:160.112:490.16:366:23New Moon9Thu
10Fri7:235.27:315.012:59-0.11:26-0.16:356:23New Moon10Fri
11Sat7:585.28:085.21:42-0.22:02-0.36:346:24New Moon11Sat
12Sun9:335.19:445.43:24-0.33:39-0.47:327:25New Moon12Sun
13Mon10:094.910:235.54:07-0.34:17-0.47:317:26Waxing Crescent13Mon
14Tue10:484.811:065.54:52-0.24:58-0.47:307:26Waxing Crescent14Tue
15Wed11:334.611:565.55:410.05:44-0.27:287:27Waxing Crescent15Wed
16Thu12:264.46:360.36:37-0.17:277:28First Quarter16Thu
17Fri12:565.41:314.27:400.57:400.17:267:29First Quarter17Fri
18Sat2:065.22:444.18:490.58:500.27:247:29First Quarter18Sat
19Sun3:215.24:004.39:580.510:010.17:237:30First Quarter19Sun
20Mon4:365.35:124.511:020.311:10-0.17:227:31Waxing Gibbous20Mon
21Tue5:445.46:154.912:010.07:217:31Waxing Gibbous21Tue
22Wed6:415.57:095.312:13-0.312:53-0.27:197:32Waxing Gibbous22Wed
23Thu7:315.67:585.61:09-0.51:41-0.47:187:33Full Moon23Thu
24Fri8:165.68:445.82:01-0.62:25-0.57:177:34Full Moon24Fri
25Sat8:585.59:275.92:50-0.63:06-0.57:157:34Full Moon25Sat
26Sun9:385.310:085.83:37-0.53:45-0.47:147:35Full Moon26Sun
27Mon10:185.010:485.64:21-0.34:21-0.27:137:36Waning Gibbous27Mon
28Tue10:574.711:275.45:030.04:570.17:117:36Waning Gibbous28Tue
29Wed11:374.55:460.35:330.47:107:37Waning Gibbous29Wed
30Thu12:075.112:204.26:300.66:120.77:097:38Waning Gibbous30Thu
31Fri12:524.91:094.17:190.96:590.97:077:39Third Quarter31Fri
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 3:36 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 72% 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 Waning Gibbous (72% 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