Tides Today & Tomorrow in St. Marks River (Entrance), FL

TIDE TIMES for Monday, July 20, 2026
The tide is currently falling in St. Marks River (Entrance), FL.
Next low tide (tomorrow) : in 2h 57m at 12:51 am (1.5 ft)
Next high tide (tomorrow) : 7:13 am (3.3 ft)
Sunset today : 8:37 pm
Sunrise tomorrow : 6:48 am
Moon phase : First Quarter (42% illuminated)
Tide Station Location : Station #8728130
Common Questions About Tides

St. Marks River (Entrance), FL Tides - Jan 2069

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue8:472.28:053.02:170.11:501.17:325:48First Quarter1Tue
2Wed10:242.39:143.13:41-0.23:051.37:325:49Waxing Gibbous2Wed
3Thu11:362.510:233.24:53-0.54:191.47:335:49Waxing Gibbous3Thu
4Fri12:312.75:52-0.85:251.37:335:50Waxing Gibbous4Fri
5Sat1:172.96:44-1.06:201.27:335:51Waxing Gibbous5Sat
6Sun12:153.41:573.07:28-1.17:081.07:335:52Full Moon6Sun
7Mon1:023.42:333.08:09-1.07:510.87:335:52Full Moon7Mon
8Tue1:443.43:063.08:44-0.98:320.77:335:53Full Moon8Tue
9Wed2:233.33:373.09:16-0.79:110.67:335:54Waning Gibbous9Wed
10Thu3:013.14:063.09:45-0.49:510.57:335:55Waning Gibbous10Thu
11Fri3:382.94:342.910:11-0.110:320.57:335:56Waning Gibbous11Fri
12Sat4:182.75:012.810:360.211:180.57:335:56Waning Gibbous12Sat
13Sun5:032.45:302.711:040.57:335:57Third Quarter13Sun
14Mon5:592.16:032.612:120.511:37 AM0.87:335:58Third Quarter14Mon
15Tue7:201.96:462.51:200.512:201.17:335:59Third Quarter15Tue
16Wed9:111.87:502.52:430.41:261.47:326:00Third Quarter16Wed
17Thu10:452.09:152.54:020.22:551.57:326:01Waning Crescent17Thu
18Fri11:462.310:262.65:04-0.14:211.57:326:02Waning Crescent18Fri
19Sat12:302.55:53-0.45:251.47:326:02Waning Crescent19Sat
20Sun1:082.86:35-0.76:141.27:316:03Waning Crescent20Sun
21Mon12:073.01:422.97:12-0.96:571.07:316:04New Moon21Mon
22Tue12:493.32:143.17:48-1.17:380.77:316:05New Moon22Tue
23Wed1:323.42:453.28:22-1.18:190.57:306:06New Moon23Wed
24Thu2:143.53:153.38:56-1.09:000.27:306:07New Moon24Thu
25Fri2:593.43:453.39:30-0.79:440.07:306:08Waxing Crescent25Fri
26Sat3:463.34:163.310:03-0.410:32-0.17:296:09Waxing Crescent26Sat
27Sun4:373.04:483.310:380.011:26-0.27:296:09Waxing Crescent27Sun
28Mon5:372.65:253.211:160.57:286:10First Quarter28Mon
29Tue6:532.26:083.112:32-0.211:59 AM0.97:286:11First Quarter29Tue
30Wed8:362.07:072.91:54-0.112:571.37:276:12First Quarter30Wed
31Thu10:232.18:332.83:25-0.22:211.57:266:13Waxing Gibbous31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8728130)

Common Questions About St. Marks River (Entrance), FL Tides

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

Slack tide in St. Marks River (Entrance), FL is approximately 4:02 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 St. Marks River (Entrance), FL?

St. Marks River (Entrance), FL is currently in a neap phase. Tonight's moon is 42% 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 minimum.

What datum are St. Marks River (Entrance), 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 River (Entrance), FL?

Tide predictions for St. Marks River (Entrance), 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 River (Entrance), FL?

Tide data for St. Marks River (Entrance), FL is sourced from NOAA Station #8728130. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8728130.

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

Tonight the moon over St. Marks River (Entrance), FL is First Quarter (42% illuminated). This places St. Marks River (Entrance), FL in a neap tide cycle, so tidal ranges are near their weekly minimum 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