Tides Today & Tomorrow in Fort Sumter, SC

TIDE TIMES for Thursday, July 2, 2026
The tide is currently rising in Fort Sumter, SC.
Next low tide : 4:03 pm (0.4 ft)
Next high tide : in 5h 13m at 10:09 am (4.3 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 6:15 am
Moon phase : Waning Gibbous (94% illuminated)
Tide Station Location : Station #8665728
Common Questions About Tides

Fort Sumter, SC Tides - Oct 2055

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri5:295.36:055.911:360.97:137:04Waxing Gibbous1Fri
2Sat6:185.46:495.912:130.812:260.87:147:03Waxing Gibbous2Sat
3Sun7:025.67:295.912:570.71:110.87:157:01Waxing Gibbous3Sun
4Mon7:435.78:085.91:370.71:540.77:157:00Full Moon4Mon
5Tue8:225.88:455.82:140.62:340.77:166:59Full Moon5Tue
6Wed8:595.89:215.62:490.63:130.87:176:57Full Moon6Wed
7Thu9:345.89:565.53:230.73:500.97:176:56Full Moon7Thu
8Fri10:075.810:305.33:560.74:261.07:186:55Waning Gibbous8Fri
9Sat10:395.711:035.14:290.85:041.27:196:54Waning Gibbous9Sat
10Sun11:145.711:394.95:060.95:441.37:206:52Waning Gibbous10Sun
11Mon11:555.75:460.96:311.47:206:51Waning Gibbous11Mon
12Tue12:234.912:455.76:341.07:251.47:216:50Third Quarter12Tue
13Wed1:174.81:445.77:311.08:261.47:226:49Third Quarter13Wed
14Thu2:204.92:485.88:340.99:271.27:226:47Third Quarter14Thu
15Fri3:265.13:546.09:400.710:280.97:236:46Waning Crescent15Fri
16Sat4:345.44:596.110:450.511:260.57:246:45Waning Crescent16Sat
17Sun5:385.86:006.311:470.27:256:44Waning Crescent17Sun
18Mon6:376.26:566.512:210.212:47-0.17:256:43Waning Crescent18Mon
19Tue7:326.67:486.51:13-0.21:44-0.37:266:42New Moon19Tue
20Wed8:256.98:416.52:04-0.42:39-0.47:276:40New Moon20Wed
21Thu9:197.09:346.32:54-0.53:33-0.47:286:39New Moon21Thu
22Fri10:136.910:276.03:44-0.44:26-0.27:296:38Waxing Crescent22Fri
23Sat11:076.811:215.74:33-0.25:190.07:296:37Waxing Crescent23Sat
24Sun12:036.55:240.16:140.47:306:36Waxing Crescent24Sun
25Mon12:175.41:006.26:170.47:110.77:316:35First Quarter25Mon
26Tue1:155.21:585.97:150.78:100.97:326:34First Quarter26Tue
27Wed2:145.12:545.78:161.09:081.07:336:33First Quarter27Wed
28Thu3:115.03:485.69:171.110:021.07:336:32First Quarter28Thu
29Fri4:065.14:405.510:151.110:520.97:346:31Waxing Gibbous29Fri
30Sat4:595.25:295.511:091.111:380.87:356:30Waxing Gibbous30Sat
31Sun5:495.46:145.511:591.07:366:29Waxing Gibbous31Sun
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 1:06 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 94% 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 (94% 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