Tides Today & Tomorrow in Horn Island, MS

TIDE TIMES for Thursday, July 30, 2026
The tide is currently falling in Horn Island, MS.
Next low tide : in 8h 06m at 8:49 pm (-0.1 ft)
Next high tide (tomorrow) : 11:38 am (1.7 ft)
Sunset today : 7:49 pm
Sunrise tomorrow : 6:12 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #8742221
Common Questions About Tides

Horn Island, MS Tides - Sep 1983

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu4:231.83:30-0.16:317:18Third Quarter1Thu
2Fri5:151.95:03-0.36:317:17Waning Crescent2Fri
3Sat6:121.96:25-0.36:327:15Waning Crescent3Sat
4Sun7:181.97:18-0.36:327:14Waning Crescent4Sun
5Mon8:511.87:51-0.26:337:13New Moon5Mon
6Tue10:141.78:080.06:347:12New Moon6Tue
7Wed11:061.58:080.36:347:10New Moon7Wed
8Thu11:501.311:400.87:580.66:357:09New Moon8Thu
9Fri3:011.07:290.57:510.86:357:08Waxing Crescent9Fri
10Sat12:051.18:330.36:367:07Waxing Crescent10Sat
11Sun12:441.49:340.26:367:06Waxing Crescent11Sun
12Mon1:341.611:080.26:377:04First Quarter12Mon
13Tue2:261.71:150.16:377:03First Quarter13Tue
14Wed3:161.72:230.16:387:02First Quarter14Wed
15Thu4:071.75:390.16:387:00First Quarter15Thu
16Fri4:591.76:410.16:396:59Waxing Gibbous16Fri
17Sat5:541.67:230.16:406:58Waxing Gibbous17Sat
18Sun6:541.57:490.16:406:57Waxing Gibbous18Sun
19Mon8:401.47:460.26:416:55Waxing Gibbous19Mon
20Tue10:371.47:340.36:416:54Full Moon20Tue
21Wed11:101.37:310.46:426:53Full Moon21Wed
22Thu2:480.711:200.85:300.67:320.66:426:52Full Moon22Thu
23Fri2:051.16:510.57:410.76:436:50Full Moon23Fri
24Sat4:021.07:480.47:470.96:436:49Waning Gibbous24Sat
25Sun8:370.26:446:48Waning Gibbous25Sun
26Mon12:231.49:290.16:456:47Waning Gibbous26Mon
27Tue1:021.610:440.06:456:45Waning Gibbous27Tue
28Wed1:541.712:31-0.16:466:44Third Quarter28Wed
29Thu2:491.81:46-0.26:466:43Third Quarter29Thu
30Fri3:451.92:57-0.26:476:42Third Quarter30Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8742221)

Common Questions About Horn Island, MS Tides

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What time does the tide turn (slack tide) in Horn Island, MS today?

Slack tide in Horn Island, MS is approximately 4:13 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 Horn Island, MS?

Horn Island, MS is currently in a spring phase. Tonight's moon is 99% 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 Horn Island, MS 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 Horn Island, MS?

Tide predictions for Horn Island, MS 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 Horn Island, MS?

Tide data for Horn Island, MS is sourced from NOAA Station #8742221. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8742221.

What is the moon phase in Horn Island, MS tonight?

Tonight the moon over Horn Island, MS is Full Moon (99% illuminated). This places Horn Island, MS 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