Tides Today & Tomorrow in Rock Harbor, Key Largo, FL

TIDE TIMES for Tuesday, June 16, 2026
The tide is currently rising in Rock Harbor, Key Largo, FL.

Next low tide (tomorrow) : 5:13 am (-0.1 ft)
Next high tide : in 2h 10m at 11:18 pm (2.6 ft)
Sunset today : 8:13 pm
Sunrise tomorrow : 6:31 am
Moon phase : New Moon (4% illuminated)
Tide Station Location : Station #8723689
Common Questions About Tides

Rock Harbor, Key Largo, FL Tides - Jun 2026

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Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Mon	10:14	2.0	10:53	2.2	4:12	0.4	4:21	-0.1	6:31	8:07		1	Mon
2	Tue	10:53	2.0	11:32	2.2	4:49	0.4	4:58	0.0	6:31	8:08		2	Tue
3	Wed	11:33	2.0			5:27	0.5	5:35	0.1	6:31	8:08		3	Wed
4	Thu	12:12	2.1	12:15	1.9	6:06	0.5	6:14	0.1	6:31	8:09		4	Thu
5	Fri	12:51	2.1	12:59	1.9	6:48	0.5	6:57	0.2	6:31	8:09		5	Fri
6	Sat	1:32	2.0	1:47	1.9	7:33	0.5	7:45	0.3	6:31	8:09		6	Sat
7	Sun	2:15	2.0	2:40	1.9	8:22	0.4	8:40	0.4	6:31	8:10		7	Sun
8	Mon	3:01	2.0	3:38	1.9	9:16	0.3	9:41	0.4	6:31	8:10		8	Mon
9	Tue	3:52	2.0	4:40	2.0	10:12	0.1	10:43	0.4	6:31	8:11		9	Tue
10	Wed	4:47	2.0	5:42	2.1	11:09	-0.1	11:43	0.3	6:31	8:11		10	Wed
11	Thu	5:45	2.0	6:44	2.3			12:06	-0.3	6:31	8:11		11	Thu
12	Fri	6:45	2.1	7:42	2.4	12:41	0.2	1:01	-0.5	6:31	8:12		12	Fri
13	Sat	7:44	2.2	8:39	2.5	1:36	0.1	1:56	-0.7	6:31	8:12		13	Sat
14	Sun	8:42	2.3	9:33	2.6	2:31	0.0	2:51	-0.8	6:31	8:12		14	Sun
15	Mon	9:38	2.4	10:26	2.6	3:25	-0.1	3:46	-0.8	6:31	8:13		15	Mon
16	Tue	10:34	2.4	11:18	2.6	4:19	-0.1	4:40	-0.8	6:31	8:13		16	Tue
17	Wed	11:29	2.4			5:13	-0.1	5:35	-0.6	6:31	8:13		17	Wed
18	Thu	12:08	2.6	12:24	2.4	6:09	-0.2	6:31	-0.4	6:32	8:13		18	Thu
19	Fri	12:59	2.5	1:20	2.3	7:06	-0.1	7:28	-0.2	6:32	8:14		19	Fri
20	Sat	1:49	2.4	2:17	2.2	8:03	-0.1	8:27	0.0	6:32	8:14		20	Sat
21	Sun	2:40	2.2	3:15	2.1	9:01	-0.1	9:26	0.2	6:32	8:14		21	Sun
22	Mon	3:31	2.1	4:14	2.1	9:56	0.0	10:24	0.4	6:32	8:14		22	Mon
23	Tue	4:23	2.0	5:13	2.0	10:50	0.0	11:19	0.5	6:33	8:15		23	Tue
24	Wed	5:16	1.9	6:09	2.0	11:41	0.0			6:33	8:15		24	Wed
25	Thu	6:08	1.9	7:01	2.0	12:11	0.5	12:29	0.0	6:33	8:15		25	Thu
26	Fri	6:57	1.9	7:48	2.0	1:00	0.5	1:15	0.0	6:33	8:15		26	Fri
27	Sat	7:44	1.9	8:32	2.1	1:45	0.5	1:59	-0.1	6:34	8:15		27	Sat
28	Sun	8:29	1.9	9:13	2.1	2:28	0.5	2:41	-0.1	6:34	8:15		28	Sun
29	Mon	9:11	2.0	9:53	2.2	3:09	0.4	3:20	-0.1	6:34	8:15		29	Mon
30	Tue	9:53	2.0	10:32	2.2	3:49	0.4	3:59	-0.1	6:35	8:15		30	Tue
Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date

Tidal Data Source: (8723689)

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When is the lowest tide this week in Rock Harbor, Key Largo, FL?

The lowest tide this week in Rock Harbor, Key Largo, FL is -0.6 ft on Wednesday, Jun 17 at 5:35 pm.

When is the highest tide this week in Rock Harbor, Key Largo, FL?

The highest tide this week in Rock Harbor, Key Largo, FL is 2.6 ft on Tuesday, Jun 16 at 11:18 pm — worth noting for launching your boat and being alert for possible high tide flooding.

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

Slack tide in Rock Harbor, Key Largo, FL is approximately 2:15 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 Rock Harbor, Key Largo, FL?

Rock Harbor, Key Largo, FL is currently in a spring phase. Tonight's moon is 4% 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 Rock Harbor, 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 Rock Harbor, Key Largo, FL?

Tide predictions for Rock Harbor, 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 Rock Harbor, Key Largo, FL?

Tide data for Rock Harbor, Key Largo, FL is sourced from NOAA Station #8723689. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723689.

What time is high tide in Rock Harbor, Key Largo, FL today?

High tides in Rock Harbor, Key Largo, FL today: 10:34 am (2.4 ft), 11:18 pm (2.6 ft).

What time is low tide in Rock Harbor, Key Largo, FL today?

Low tides in Rock Harbor, Key Largo, FL today: 4:19 am (-0.1 ft), 4:40 pm (-0.8 ft). The 4:19 am low of -0.1 ft is a minus tide — water below the MLLW reference datum, which can expose tidepools, mudflats, and shellfish beds not normally accessible.

What is the tidal range in Rock Harbor, Key Largo, FL today?

Today's tidal range in Rock Harbor, Key Largo, FL is 3.4 ft — the difference between the day's highest and lowest water level. This month's average daily range is about 2.4 ft, so today's swing is above-average.

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

Tonight the moon over Rock Harbor, Key Largo, FL is New Moon (4% illuminated). This places Rock Harbor, Key Largo, FL in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

What type of tides does Rock Harbor, Key Largo, FL have — semi-diurnal, diurnal, or mixed?

Rock Harbor, Key Largo, FL has semi-diurnal tides — two high tides and two low tides roughly every 24 hours and 50 minutes, with similar heights.

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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