Tides Today & Tomorrow in Largo Sound, Key Largo, FL

TIDE TIMES for Saturday, August 22, 2026
The tide is currently rising in Largo Sound, Key Largo, FL.

Next low tide (tomorrow) : 2:23 am (0.4 ft)
Next high tide : in 19m at 7:38 pm (0.8 ft)
Sunset today : 7:50 pm
Sunrise tomorrow : 6:58 am
Moon phase : Waxing Gibbous (73% illuminated)
Tide Station Location : Station #8723651
Common Questions About Tides

Largo Sound, Key Largo, FL Tides - Sep 1923

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Oct 1923 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Sat	2:59	0.9	3:32	0.9	9:48	0.2	10:10	0.4	7:01	7:41		1	Sat
2	Sun	3:41	0.8	4:19	0.8	10:33	0.3	11:00	0.4	7:02	7:40		2	Sun
3	Mon	4:27	0.8	5:13	0.8	11:25	0.3	11:56	0.5	7:02	7:39		3	Mon
4	Tue	5:21	0.8	6:12	0.8			12:23	0.3	7:03	7:38		4	Tue
5	Wed	6:21	0.8	7:13	0.8	12:57	0.5	1:22	0.3	7:03	7:37		5	Wed
6	Thu	7:24	0.8	8:11	0.9	1:55	0.4	2:18	0.2	7:03	7:36		6	Thu
7	Fri	8:24	0.9	9:05	0.9	2:49	0.4	3:10	0.2	7:04	7:35		7	Fri
8	Sat	9:19	0.9	9:54	1.0	3:39	0.3	4:00	0.1	7:04	7:34		8	Sat
9	Sun	10:11	1.0	10:41	1.1	4:26	0.2	4:48	0.0	7:04	7:33		9	Sun
10	Mon	11:01	1.1	11:27	1.1	5:12	0.1	5:35	0.0	7:05	7:32		10	Mon
11	Tue	11:50	1.1			5:58	0.0	6:22	0.0	7:05	7:31		11	Tue
12	Wed	12:12	1.1	12:39	1.1	6:45	-0.1	7:11	0.0	7:06	7:30		12	Wed
13	Thu	12:58	1.1	1:29	1.1	7:34	-0.1	8:01	0.1	7:06	7:29		13	Thu
14	Fri	1:46	1.1	2:21	1.1	8:25	-0.1	8:54	0.1	7:06	7:27		14	Fri
15	Sat	2:37	1.1	3:16	1.1	9:19	0.0	9:51	0.2	7:07	7:26		15	Sat
16	Sun	3:32	1.0	4:15	1.0	10:19	0.1	10:53	0.3	7:07	7:25		16	Sun
17	Mon	4:31	1.0	5:19	1.0	11:23	0.1			7:07	7:24		17	Mon
18	Tue	5:36	1.0	6:25	1.0	12:00	0.3	12:30	0.2	7:08	7:23		18	Tue
19	Wed	6:43	1.0	7:30	1.0	1:07	0.3	1:36	0.2	7:08	7:22		19	Wed
20	Thu	7:49	1.0	8:29	1.0	2:10	0.3	2:36	0.2	7:09	7:21		20	Thu
21	Fri	8:48	1.0	9:21	1.0	3:06	0.3	3:30	0.2	7:09	7:20		21	Fri
22	Sat	9:40	1.0	10:06	1.0	3:56	0.3	4:18	0.2	7:09	7:19		22	Sat
23	Sun	10:26	1.0	10:47	1.0	4:42	0.2	5:03	0.2	7:10	7:18		23	Sun
24	Mon	11:07	1.1	11:25	1.0	5:23	0.2	5:43	0.2	7:10	7:17		24	Mon
25	Tue	11:46	1.1			6:02	0.2	6:22	0.2	7:10	7:16		25	Tue
26	Wed	12:01	1.0	12:23	1.0	6:39	0.2	6:59	0.3	7:11	7:14		26	Wed
27	Thu	12:35	1.0	1:00	1.0	7:15	0.2	7:36	0.3	7:11	7:13		27	Thu
28	Fri	1:10	1.0	1:37	1.0	7:50	0.2	8:12	0.4	7:12	7:12		28	Fri
29	Sat	1:46	1.0	2:16	1.0	8:26	0.3	8:49	0.4	7:12	7:11		29	Sat
30	Sun	1:24	0.9	1:58	0.9	8:04	0.3	8:29	0.5	6:12	6:10		30	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: (8723651)

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What time does the tide turn (slack tide) in Largo Sound, Key Largo, FL today?

Slack tide in Largo Sound, Key Largo, FL is approximately 11:00 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 Largo Sound, Key Largo, FL?

Largo Sound, Key Largo, FL is currently in a transitional phase. Tonight's moon is 73% 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 Largo Sound, Key Largo, FL 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 Largo Sound, Key Largo, FL?

Tide predictions for Largo Sound, Key Largo, FL 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 Largo Sound, Key Largo, FL?

Tide data for Largo Sound, Key Largo, FL is sourced from NOAA Station #8723651. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723651.

What is the moon phase in Largo Sound, Key Largo, FL tonight?

Tonight the moon over Largo Sound, Key Largo, FL is Waxing Gibbous (73% illuminated). This places Largo Sound, Key Largo, FL 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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