tidealmanac
Sun, Sep 27

Monday, September 28, 2026

St. Marks, St. Marks River, FL · NOAA 8728142 · MLLW · Local time (America/New_York)

Tue, Sep 29

This is a subordinate station: NOAA predicts its highs and lows from a nearby reference station and publishes no curve for it. Nothing is interpolated.

Tides

  1. High3:46 AM3.7 ft1.14 m
  2. Low10:51 AM-0.1 ft-0.04 m
  3. High4:52 PM3.7 ft1.12 m
  4. Low10:54 PM1.1 ft0.33 m

Range 3.9 ft1.18 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:04 AM
Sunrise
7:28 AM
Solar noon
1:28 PM
Sunset
7:27 PM
Civil dusk
7:51 PM
Daylight
11h 59m

Computed from the station's coordinates (NOAA solar algorithm, ±1 min); not NOAA tide data. Sun calendars: sunupsundown.site.

Moon

Waning gibbous95% illuminated · day 16 of the cycle

Near new or full moon: spring tides, a larger range than average. Approximate phase, computed here.

This week

Fri, Sep 25H 2:41AM 3.3 ft1.01 mL 9:04AM 0.8 ft0.23 mH 2:50PM 3.7 ft1.12 mL 9:30PM 0.5 ft0.16 mSat, Sep 26H 3:02AM 3.5 ft1.05 mL 9:39AM 0.4 ft0.12 mH 3:29PM 3.8 ft1.15 mL 9:57PM 0.7 ft0.21 mSun, Sep 27H 3:23AM 3.6 ft1.10 mL 10:14AM 0.1 ft0.03 mH 4:10PM 3.8 ft1.15 mL 10:25PM 0.9 ft0.26 mMon, Sep 28H 3:46AM 3.7 ft1.14 mL 10:51AM -0.1 ft-0.04 mH 4:52PM 3.7 ft1.12 mL 10:54PM 1.1 ft0.33 mTue, Sep 29H 4:11AM 3.8 ft1.17 mL 11:31AM -0.2 ft-0.07 mH 5:38PM 3.5 ft1.06 mL 11:24PM 1.3 ft0.40 mWed, Sep 30H 4:40AM 3.9 ft1.19 mL 12:16PM -0.2 ft-0.07 mH 6:28PM 3.2 ft0.97 mL 11:57PM 1.5 ft0.47 mThu, Oct 1H 5:13AM 3.9 ft1.19 mL 1:10PM -0.1 ft-0.02 mH 7:30PM 2.9 ft0.87 m