Tides Today & Tomorrow in Horn Island, MS

TIDE TIMES for Monday, July 20, 2026
The tide is currently falling in Horn Island, MS.

Next low tide : in 3h 14m at 7:32 pm (0.5 ft)
Next high tide (tomorrow) : 3:50 am (1.4 ft)
Sunset today : 7:55 pm
Sunrise tomorrow : 6:06 am
Moon phase : First Quarter (43% illuminated)
Tide Station Location : Station #8742221
Common Questions About Tides

Horn Island, MS Tides - Oct 1993

< Sep 1993

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Nov 1993 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Fri			10:48	1.3	6:49	0.3			6:48	6:40		1	Fri
2	Sat			11:16	1.4	7:36	0.2			6:48	6:39		2	Sat
3	Sun			11:46	1.6	8:17	0.1			6:49	6:37		3	Sun
4	Mon					8:59	0.0			6:49	6:36		4	Mon
5	Tue	12:22	1.6			9:49	0.0			6:50	6:35		5	Tue
6	Wed	1:08	1.7			11:07	0.0			6:51	6:34		6	Wed
7	Thu	2:03	1.7					12:43	0.0	6:51	6:33		7	Thu
8	Fri	2:59	1.7					1:42	0.0	6:52	6:31		8	Fri
9	Sat	3:53	1.6					2:32	0.1	6:53	6:30		9	Sat
10	Sun	4:49	1.5					3:16	0.2	6:53	6:29		10	Sun
11	Mon	5:49	1.3					3:48	0.4	6:54	6:28		11	Mon
12	Tue	12:14	0.8	11:13	0.9	2:35	0.8	4:05	0.7	6:54	6:27		12	Tue
13	Wed			12:09	1.0	4:17	0.5	4:10	0.9	6:55	6:26		13	Wed
14	Thu			9:41	1.4	5:49	0.3			6:56	6:24		14	Thu
15	Fri			10:14	1.7	7:02	0.0			6:56	6:23		15	Fri
16	Sat			10:49	1.9	7:53	-0.2			6:57	6:22		16	Sat
17	Sun			11:27	2.0	8:36	-0.3			6:58	6:21		17	Sun
18	Mon					9:21	-0.3			6:58	6:20		18	Mon
19	Tue	12:08	2.1			10:15	-0.2			6:59	6:19		19	Tue
20	Wed	12:57	2.0					12:09	-0.1	7:00	6:18		20	Wed
21	Thu	1:52	1.9					1:12	0.1	7:00	6:17		21	Thu
22	Fri	2:47	1.7					1:41	0.2	7:01	6:16		22	Fri
23	Sat	3:38	1.5					1:53	0.4	7:02	6:15		23	Sat
24	Sun	4:27	1.3					2:03	0.5	7:03	6:14		24	Sun
25	Mon	5:18	1.0	10:48	0.9			2:19	0.6	7:03	6:13		25	Mon
26	Tue	11:04	0.9	10:24	1.0	2:38	0.7	2:37	0.8	7:04	6:12		26	Tue
27	Wed			12:28	0.9	4:03	0.5	2:45	0.9	7:05	6:11		27	Wed
28	Thu			9:05	1.3	5:20	0.3			7:06	6:10		28	Thu
29	Fri			9:45	1.5	6:21	0.2			7:06	6:09		29	Fri
30	Sat			10:18	1.6	7:06	0.0			7:07	6:09		30	Sat
31	Sun			9:50	1.7	6:44	-0.1			6:08	5:08		31	Sun
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (8742221)

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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 11:41 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 neap phase. Tonight's moon is 43% 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 minimum.

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 First Quarter (43% illuminated). This places Horn Island, MS in a neap tide cycle, so tidal ranges are near their weekly minimum 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

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