Tides Today & Tomorrow in Horn Island, MS

TIDE TIMES for Saturday, July 18, 2026
The tide is currently falling in Horn Island, MS.

Next low tide : in 5h 44m at 9:20 pm (0.4 ft)
Next high tide (tomorrow) : 5:18 am (0.8 ft)
Sunset today : 7:56 pm
Sunrise tomorrow : 6:05 am
Moon phase : Waxing Crescent (23% illuminated)
Tide Station Location : Station #8742221
Common Questions About Tides

Horn Island, MS Tides - Mar 1994

< Feb 1994

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Apr 1994 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Tue	11:55	1.4					8:52	0.2	6:20	5:53		1	Tue
2	Wed			12:48	1.6			11:21	0.1	6:19	5:54		2	Wed
3	Thu			1:43	1.8					6:18	5:54		3	Thu
4	Fri			2:36	1.8	1:04	0.1			6:17	5:55		4	Fri
5	Sat			3:28	1.8	4:04	0.0			6:16	5:56		5	Sat
6	Sun			4:21	1.7	5:11	0.0			6:14	5:56		6	Sun
7	Mon			5:15	1.6	6:04	0.0			6:13	5:57		7	Mon
8	Tue			6:18	1.4	6:44	0.1			6:12	5:58		8	Tue
9	Wed			9:37	1.3	7:11	0.2			6:11	5:58		9	Wed
10	Thu			10:22	1.3	6:46	0.4			6:10	5:59		10	Thu
11	Fri	11:41	0.7	11:06	1.1	6:02	0.5	4:04	0.6	6:09	6:00		11	Fri
12	Sat	10:07	0.8			5:51	0.6	5:23	0.5	6:07	6:00		12	Sat
13	Sun	12:33	1.0	10:12 AM	1.0	6:02	0.7	6:21	0.4	6:06	6:01		13	Sun
14	Mon	2:13	0.9	10:36 AM	1.2	6:18	0.8	7:07	0.3	6:05	6:02		14	Mon
15	Tue	4:06	0.9	11:08 AM	1.3	6:24	0.8	7:51	0.2	6:04	6:02		15	Tue
16	Wed	11:47	1.4					8:39	0.2	6:03	6:03		16	Wed
17	Thu			12:36	1.5			9:53	0.2	6:01	6:04		17	Thu
18	Fri			1:29	1.6			11:41	0.2	6:00	6:04		18	Fri
19	Sat			2:21	1.6					5:59	6:05		19	Sat
20	Sun			3:11	1.6	12:51	0.2			5:58	6:05		20	Sun
21	Mon			4:03	1.6	1:58	0.1			5:57	6:06		21	Mon
22	Tue			4:58	1.5	3:16	0.1			5:55	6:07		22	Tue
23	Wed			6:04	1.4	4:27	0.2			5:54	6:07		23	Wed
24	Thu			9:50	1.2	5:16	0.3			5:53	6:08		24	Thu
25	Fri	11:30	0.7	10:58	1.1	5:27	0.5	3:29	0.7	5:52	6:09		25	Fri
26	Sat	10:18	0.9			5:16	0.7	5:01	0.4	5:50	6:09		26	Sat
27	Sun	1:03	1.0	9:37 AM	1.1	5:14	0.9	6:13	0.2	5:49	6:10		27	Sun
28	Mon	10:00	1.4					7:08	0.0	5:48	6:10		28	Mon
29	Tue	10:33	1.7					7:57	-0.1	5:47	6:11		29	Tue
30	Wed	11:14	1.8					8:53	-0.1	5:46	6:12		30	Wed
31	Thu			12:04	1.9			10:38	0.0	5:44	6:12		31	Thu
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 1:19 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 transitional phase. Tonight's moon is 23% 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 Waxing Crescent (23% 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

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