Tides Today & Tomorrow in Horn Island, MS

TIDE TIMES for Thursday, July 30, 2026
The tide is currently rising in Horn Island, MS.
Next low tide : 8:49 pm (-0.1 ft)
Next high tide : in 8h 01m at 11:05 am (1.8 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 - Jan 1985

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue4:571.56:050.46:515:05Waxing Gibbous1Tue
2Wed5:341.64:130.26:515:06Waxing Gibbous2Wed
3Thu6:201.85:05-0.16:515:07Waxing Gibbous3Thu
4Fri7:211.95:48-0.36:515:07Waxing Gibbous4Fri
5Sat8:232.06:27-0.46:515:08Full Moon5Sat
6Sun9:112.17:03-0.56:525:09Full Moon6Sun
7Mon9:522.27:36-0.56:525:10Full Moon7Mon
8Tue10:302.18:09-0.56:525:10Full Moon8Tue
9Wed11:092.08:40-0.46:525:11Waning Gibbous9Wed
10Thu11:511.79:08-0.26:525:12Waning Gibbous10Thu
11Fri9:280.16:525:13Waning Gibbous11Fri
12Sat12:361.49:330.46:525:14Third Quarter12Sat
13Sun1:201.03:461.18:030.66:515:15Third Quarter13Sun
14Mon3:561.55:350.46:515:15Third Quarter14Mon
15Tue4:301.85:230.16:515:16Waning Crescent15Tue
16Wed5:122.05:38-0.26:515:17Waning Crescent16Wed
17Thu6:022.16:04-0.46:515:18Waning Crescent17Thu
18Fri7:052.16:33-0.56:515:19Waning Crescent18Fri
19Sat8:182.17:02-0.56:505:20New Moon19Sat
20Sun9:132.17:27-0.46:505:21New Moon20Sun
21Mon9:542.07:48-0.36:505:21New Moon21Mon
22Tue10:301.98:06-0.26:495:22New Moon22Tue
23Wed11:061.78:180.06:495:23Waxing Crescent23Wed
24Thu11:451.58:260.16:495:24Waxing Crescent24Thu
25Fri8:370.36:485:25Waxing Crescent25Fri
26Sat12:321.24:240.88:450.57:560.76:485:26Waxing Crescent26Sat
27Sun1:281.02:341.08:190.610:470.66:475:27First Quarter27Sun
28Mon2:240.73:001.36:460.66:475:28First Quarter28Mon
29Tue3:341.512:340.46:465:28First Quarter29Tue
30Wed4:121.61:540.26:465:29First Quarter30Wed
31Thu4:561.83:330.06:455:30Waxing Gibbous31Thu
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 3:57 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 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