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

TIDE TIMES for Sunday, August 23, 2026
The tide is currently falling in St. Augustine (city dock), FL.
Next low tide : in 5h 19m at 11:34 am (1.0 ft)
Next high tide : 6:00 pm (4.7 ft)
Sunset today : 7:58 pm
Sunrise tomorrow : 6:57 am
Moon phase : Waxing Gibbous (81% illuminated)
Tide Station Location : Station #8720576
Common Questions About Tides

St. Augustine (city dock), FL Tides - Mar 1902

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat12:474.11:043.87:250.77:250.66:516:23Third Quarter1Sat
2Sun1:364.01:553.68:210.98:190.76:506:24Third Quarter2Sun
3Mon2:323.92:513.69:160.99:160.76:496:25Third Quarter3Mon
4Tue3:323.93:513.710:100.810:120.56:486:25Waning Crescent4Tue
5Wed4:324.14:493.811:020.611:070.46:476:26Waning Crescent5Wed
6Thu5:284.25:444.111:510.46:466:27Waning Crescent6Thu
7Fri6:184.56:334.312:000.112:380.16:456:27Waning Crescent7Fri
8Sat7:044.67:194.612:50-0.21:22-0.26:446:28New Moon8Sat
9Sun7:474.88:044.81:37-0.52:04-0.56:426:29New Moon9Sun
10Mon8:314.98:495.02:23-0.72:46-0.76:416:29New Moon10Mon
11Tue9:154.99:355.13:08-0.83:28-0.86:406:30New Moon11Tue
12Wed10:014.810:235.13:55-0.74:12-0.86:396:31Waxing Crescent12Wed
13Thu10:494.611:145.14:44-0.65:00-0.76:386:31Waxing Crescent13Thu
14Fri11:404.55:37-0.35:52-0.56:376:32Waxing Crescent14Fri
15Sat12:084.912:354.36:35-0.16:51-0.36:356:33First Quarter15Sat
16Sun1:074.81:364.27:400.17:56-0.16:346:33First Quarter16Sun
17Mon2:134.72:444.18:460.29:030.06:336:34First Quarter17Mon
18Tue3:224.63:534.29:500.210:080.06:326:34Waxing Gibbous18Tue
19Wed4:284.74:574.410:500.111:10-0.16:316:35Waxing Gibbous19Wed
20Thu5:284.75:554.611:47-0.16:296:36Waxing Gibbous20Thu
21Fri6:224.86:474.812:08-0.312:38-0.26:286:36Waxing Gibbous21Fri
22Sat7:094.97:334.91:02-0.41:25-0.46:276:37Full Moon22Sat
23Sun7:524.98:165.01:50-0.52:07-0.46:266:38Full Moon23Sun
24Mon8:334.88:575.02:34-0.52:46-0.46:256:38Full Moon24Mon
25Tue9:124.79:354.93:16-0.43:24-0.36:236:39Full Moon25Tue
26Wed9:504.510:134.83:56-0.24:00-0.16:226:39Waning Gibbous26Wed
27Thu10:284.410:494.64:350.04:350.16:216:40Waning Gibbous27Thu
28Fri11:064.211:264.55:150.35:120.46:206:41Waning Gibbous28Fri
29Sat11:454.05:570.65:510.66:186:41Waning Gibbous29Sat
30Sun12:064.312:273.96:430.86:370.86:176:42Third Quarter30Sun
31Mon12:504.21:153.87:341.07:310.96:166:42Third Quarter31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8720576)

Common Questions About St. Augustine (city dock), FL Tides

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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 2:47 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 spring phase. Tonight's moon is 81% 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 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 (81% illuminated). This places St. Augustine (city dock), FL in a spring tide cycle, so tidal ranges are near their weekly maximum 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