Tides Today & Tomorrow in St. Marks, St. Marks River, FL

TIDE TIMES for Sunday, August 23, 2026
The tide is currently falling in St. Marks, St. Marks River, FL.
Next low tide : in 1m at 8:08 pm (0.5 ft)
Next high tide (tomorrow) : 2:13 am (2.7 ft)
Sunset today : 8:09 pm
Sunrise tomorrow : 7:08 am
Moon phase : Waxing Gibbous (81% illuminated)
Tide Station Location : Station #8728142
Common Questions About Tides

St. Marks, St. Marks River, FL Tides - Mar 2006

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed3:233.43:413.310:06-0.310:25-0.47:026:35Waxing Crescent1Wed
2Thu4:113.24:043.310:340.111:08-0.57:016:36Waxing Crescent2Thu
3Fri5:002.84:263.310:590.611:55-0.57:006:37Waxing Crescent3Fri
4Sat5:522.44:483.311:211.06:596:37Waxing Crescent4Sat
5Sun6:562.05:113.112:48-0.311:39 AM1.36:586:38First Quarter5Sun
6Mon8:371.75:382.91:56-0.111:49 AM1.56:566:39First Quarter6Mon
7Tue6:172.63:350.16:556:39First Quarter7Tue
8Wed8:192.35:190.16:546:40First Quarter8Wed
9Thu1:062.26:290.05:531.86:536:41Waxing Gibbous9Thu
10Fri1:222.47:16-0.16:561.46:526:41Waxing Gibbous10Fri
11Sat12:252.61:422.67:50-0.27:361.06:516:42Waxing Gibbous11Sat
12Sun1:072.82:042.88:18-0.28:110.76:496:43Waxing Gibbous12Sun
13Mon1:422.92:252.98:41-0.18:430.46:486:43Full Moon13Mon
14Tue2:143.02:453.19:010.09:140.16:476:44Full Moon14Tue
15Wed2:463.03:033.29:200.19:44-0.16:466:45Full Moon15Wed
16Thu3:183.03:203.29:400.210:14-0.26:456:45Full Moon16Thu
17Fri3:513.03:383.310:020.310:44-0.36:436:46Waning Gibbous17Fri
18Sat4:282.93:563.310:260.511:17-0.36:426:46Waning Gibbous18Sat
19Sun5:092.74:183.310:540.811:57-0.36:416:47Waning Gibbous19Sun
20Mon6:002.54:453.211:251.16:406:48Waning Gibbous20Mon
21Tue7:112.25:203.112:50-0.212:021.46:396:48Third Quarter21Tue
22Wed8:582.16:082.92:05-0.112:551.86:376:49Third Quarter22Wed
23Thu10:552.37:402.73:43-0.12:442.06:366:50Third Quarter23Thu
24Fri11:592.510:092.75:10-0.35:001.86:356:50Waning Crescent24Fri
25Sat12:382.86:15-0.46:221.46:346:51Waning Crescent25Sat
26Sun1:113.07:06-0.57:170.86:336:51Waning Crescent26Sun
27Mon12:483.31:403.27:49-0.58:030.36:316:52Waning Crescent27Mon
28Tue1:433.42:083.48:28-0.38:47-0.26:306:53New Moon28Tue
29Wed2:333.52:343.59:020.19:29-0.66:296:53New Moon29Wed
30Thu3:213.42:583.69:320.410:10-0.86:286:54New Moon30Thu
31Fri4:073.23:223.610:000.810:53-0.86:266:54Waxing Crescent31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8728142)

Common Questions About St. Marks, St. Marks River, FL Tides

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What time does the tide turn (slack tide) in St. Marks, St. Marks River, FL today?

Slack tide in St. Marks, St. Marks River, FL is approximately 11:10 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. Marks, St. Marks River, FL?

St. Marks, St. Marks River, 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. Marks, St. Marks River, 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. Marks, St. Marks River, FL?

Tide predictions for St. Marks, St. Marks River, 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. Marks, St. Marks River, FL?

Tide data for St. Marks, St. Marks River, FL is sourced from NOAA Station #8728142. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8728142.

What is the moon phase in St. Marks, St. Marks River, FL tonight?

Tonight the moon over St. Marks, St. Marks River, FL is Waxing Gibbous (81% illuminated). This places St. Marks, St. Marks River, 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