Tides Today & Tomorrow in St. Augustine (city dock), FL

TIDE TIMES for Saturday, August 22, 2026
The tide is currently rising in St. Augustine (city dock), FL.

Next low tide : 11:45 pm (1.3 ft)
Next high tide : in 40m at 5:06 pm (4.6 ft)
Sunset today : 7:59 pm
Sunrise tomorrow : 6:56 am
Moon phase : Waxing Gibbous (73% illuminated)
Tide Station Location : Station #8720576
Common Questions About Tides

St. Augustine (city dock), FL Tides - Jun 1903

< May 1903

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Jul 1903 >

Date		High Tide				Low Tide				Sun		Moon	Date
Date		AM	ft	PM	ft	AM	ft	PM	ft	Rise	Set	Moon	Date
1	Mon	12:37	5.1	1:14	4.6	7:03	-0.3	7:26	0.0	5:24	7:20		1	Mon
2	Tue	1:34	4.8	2:14	4.6	8:03	-0.2	8:32	0.1	5:24	7:21		2	Tue
3	Wed	2:33	4.6	3:15	4.7	9:01	-0.2	9:35	0.1	5:24	7:21		3	Wed
4	Thu	3:32	4.5	4:14	4.8	9:55	-0.3	10:34	0.1	5:24	7:22		4	Thu
5	Fri	4:28	4.4	5:10	4.9	10:47	-0.3	11:30	0.1	5:23	7:22		5	Fri
6	Sat	5:22	4.3	6:01	5.0	11:37	-0.3			5:23	7:23		6	Sat
7	Sun	6:12	4.3	6:48	5.0	12:23	0.0	12:25	-0.3	5:23	7:23		7	Sun
8	Mon	6:58	4.3	7:31	5.0	1:12	-0.1	1:10	-0.2	5:23	7:24		8	Mon
9	Tue	7:42	4.2	8:12	5.0	1:57	-0.1	1:53	-0.2	5:23	7:24		9	Tue
10	Wed	8:24	4.2	8:51	4.9	2:39	-0.1	2:33	-0.1	5:23	7:25		10	Wed
11	Thu	9:06	4.1	9:30	4.8	3:18	0.0	3:12	0.0	5:23	7:25		11	Thu
12	Fri	9:47	4.1	10:08	4.6	3:57	0.1	3:49	0.2	5:23	7:25		12	Fri
13	Sat	10:28	4.0	10:46	4.5	4:34	0.2	4:27	0.4	5:23	7:26		13	Sat
14	Sun	11:08	3.9	11:23	4.4	5:12	0.3	5:07	0.6	5:23	7:26		14	Sun
15	Mon	11:49	3.9			5:52	0.4	5:51	0.7	5:23	7:26		15	Mon
16	Tue	12:02	4.3	12:32	4.0	6:33	0.5	6:40	0.8	5:23	7:27		16	Tue
17	Wed	12:44	4.1	1:18	4.0	7:19	0.4	7:36	0.8	5:23	7:27		17	Wed
18	Thu	1:31	4.1	2:08	4.1	8:09	0.3	8:36	0.8	5:23	7:27		18	Thu
19	Fri	2:23	4.0	3:03	4.3	9:00	0.2	9:35	0.6	5:24	7:28		19	Fri
20	Sat	3:20	4.0	4:00	4.6	9:52	0.0	10:33	0.4	5:24	7:28		20	Sat
21	Sun	4:19	4.1	4:58	4.8	10:45	-0.2	11:31	0.2	5:24	7:28		21	Sun
22	Mon	5:20	4.2	5:56	5.1	11:41	-0.5			5:24	7:28		22	Mon
23	Tue	6:19	4.3	6:52	5.3	12:29	-0.1	12:36	-0.7	5:24	7:29		23	Tue
24	Wed	7:16	4.4	7:47	5.5	1:24	-0.4	1:31	-0.9	5:25	7:29		24	Wed
25	Thu	8:13	4.6	8:42	5.6	2:17	-0.7	2:24	-1.0	5:25	7:29		25	Thu
26	Fri	9:10	4.7	9:38	5.6	3:08	-0.8	3:17	-1.0	5:25	7:29		26	Fri
27	Sat	10:08	4.7	10:33	5.5	4:00	-0.9	4:11	-0.9	5:25	7:29		27	Sat
28	Sun	11:04	4.8	11:26	5.3	4:52	-0.8	5:08	-0.7	5:26	7:29		28	Sun
29	Mon			12:00	4.8	5:46	-0.7	6:07	-0.4	5:26	7:29		29	Mon
30	Tue	12:19	5.0	12:56	4.7	6:41	-0.5	7:10	-0.1	5:26	7:30		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: (8720576)

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What time does the tide turn (slack tide) in St. Augustine (city dock), FL today?

Slack tide in St. Augustine (city dock), FL is approximately 8:25 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 St. Augustine (city dock), FL?

St. Augustine (city dock), 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 St. Augustine (city dock), 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 St. Augustine (city dock), FL?

Tide predictions for St. Augustine (city dock), 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 St. Augustine (city dock), FL?

Tide data for St. Augustine (city dock), FL is sourced from NOAA Station #8720576. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8720576.

What is the moon phase in St. Augustine (city dock), FL tonight?

Tonight the moon over St. Augustine (city dock), FL is Waxing Gibbous (73% illuminated). This places St. Augustine (city dock), 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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