tidealmanac
Mon, Sep 20

Tuesday, September 21, 2027

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

Wed, Sep 22

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. Low12:17 AM1.4 ft0.43 m
  2. High5:33 AM3.7 ft1.13 m
  3. Low1:17 PM0.2 ft0.07 m
  4. High7:35 PM2.9 ft0.88 m

Range 3.5 ft1.06 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:00 AM
Sunrise
7:24 AM
Solar noon
1:30 PM
Sunset
7:36 PM
Civil dusk
8:00 PM
Daylight
12h 12m

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

Moon

Last quarter68% illuminated · day 20 of the cycle

Near quarter moon: neap tides, a smaller range than average. Approximate phase, computed here.

This week

Sat, Sep 18H 4:12AM 3.6 ft1.11 mL 11:11AM 0.2 ft0.06 mH 5:05PM 3.5 ft1.08 mL 11:13PM 1.0 ft0.29 mSun, Sep 19H 4:35AM 3.7 ft1.13 mL 11:45AM 0.1 ft0.04 mH 5:46PM 3.4 ft1.03 mL 11:43PM 1.2 ft0.35 mMon, Sep 20H 5:01AM 3.7 ft1.14 mL 12:26PM 0.1 ft0.04 mH 6:34PM 3.2 ft0.96 mTue, Sep 21L 12:17AM 1.4 ft0.43 mH 5:33AM 3.7 ft1.13 mL 1:17PM 0.2 ft0.07 mH 7:35PM 2.9 ft0.88 mWed, Sep 22L 12:58AM 1.7 ft0.51 mH 6:13AM 3.6 ft1.10 mL 2:25PM 0.4 ft0.11 mH 8:59PM 2.7 ft0.81 mThu, Sep 23L 1:52AM 1.9 ft0.58 mH 7:07AM 3.5 ft1.05 mL 3:56PM 0.4 ft0.14 mH 10:41PM 2.6 ft0.80 mFri, Sep 24L 3:16AM 2.1 ft0.63 mH 8:30AM 3.3 ft0.99 mL 5:29PM 0.4 ft0.12 m