Tides Today & Tomorrow in Horn Island, MS

TIDE TIMES for Thursday, July 9, 2026
The tide is currently rising in Horn Island, MS.
Next low tide (tomorrow) : 6:02 pm (-0.4 ft)
Next high tide (tomorrow) : in 10h 23m at 6:01 am (2.0 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 6:00 am
Moon phase : Waning Crescent (29% illuminated)
Tide Station Location : Station #8742221
Common Questions About Tides

Horn Island, MS Tides - Sep 2004

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed2:560.712:211.17:020.68:000.76:317:17Waning Gibbous1Wed
2Thu12:031.04:070.98:120.47:490.86:327:15Waning Gibbous2Thu
3Fri12:371.29:090.36:327:14Waning Gibbous3Fri
4Sat1:211.410:170.36:337:13Third Quarter4Sat
5Sun2:091.612:190.26:337:12Third Quarter5Sun
6Mon2:581.71:390.16:347:11Third Quarter6Mon
7Tue3:481.72:570.16:357:09Third Quarter7Tue
8Wed4:401.76:110.06:357:08Waning Crescent8Wed
9Thu5:351.77:000.06:367:07Waning Crescent9Thu
10Fri6:331.77:300.06:367:06Waning Crescent10Fri
11Sat7:461.67:410.06:377:04Waning Crescent11Sat
12Sun9:441.67:440.16:377:03Waning Crescent12Sun
13Mon10:381.57:470.36:387:02New Moon13Mon
14Tue11:181.47:460.46:387:01New Moon14Tue
15Wed2:370.712:061.26:240.67:460.66:396:59New Moon15Wed
16Thu3:411.07:380.47:440.96:396:58Waxing Crescent16Thu
17Fri8:340.26:406:57Waxing Crescent17Fri
18Sat12:191.59:330.06:416:56Waxing Crescent18Sat
19Sun1:001.711:02-0.16:416:54Waxing Crescent19Sun
20Mon1:541.912:57-0.26:426:53First Quarter20Mon
21Tue2:512.02:13-0.36:426:52First Quarter21Tue
22Wed3:492.13:39-0.36:436:51First Quarter22Wed
23Thu4:482.05:22-0.36:436:49Waxing Gibbous23Thu
24Fri5:481.96:45-0.26:446:48Waxing Gibbous24Fri
25Sat6:541.77:270.06:446:47Waxing Gibbous25Sat
26Sun9:531.57:320.36:456:46Waxing Gibbous26Sun
27Mon11:111.37:020.56:466:44Full Moon27Mon
28Tue12:250.712:231.15:080.66:300.76:466:43Full Moon28Tue
29Wed3:031.06:400.46:210.96:476:42Full Moon29Wed
30Thu11:221.57:400.26:476:41Waning Gibbous30Thu
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 12:01 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 Horn Island, MS?

Horn Island, MS is currently in a transitional phase. Tonight's moon is 29% 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 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 Waning Crescent (29% illuminated). This places Horn Island, MS 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