tidealmanac
Sat, Sep 12

Sunday, September 13, 2026

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

Mon, Sep 14

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. High4:23 AM3.6 ft1.09 m
  2. Low11:16 AM0.2 ft0.06 m
  3. High5:03 PM3.5 ft1.07 m
  4. Low11:16 PM1.1 ft0.33 m

Range 3.4 ft1.03 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:56 AM
Sunrise
7:20 AM
Solar noon
1:33 PM
Sunset
7:46 PM
Civil dusk
8:10 PM
Daylight
12h 26m

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

Moon

New moon4% illuminated · day 1 of the cycle

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

This week

Thu, Sep 10H 3:06AM 3.4 ft1.03 mL 9:15AM 0.8 ft0.25 mH 2:59PM 3.9 ft1.19 mL 9:59PM 0.3 ft0.08 mFri, Sep 11H 3:35AM 3.5 ft1.06 mL 9:58AM 0.5 ft0.15 mH 3:43PM 3.9 ft1.17 mL 10:28PM 0.5 ft0.16 mSat, Sep 12H 4:00AM 3.5 ft1.08 mL 10:38AM 0.3 ft0.09 mH 4:24PM 3.7 ft1.14 mL 10:54PM 0.8 ft0.25 mSun, Sep 13H 4:23AM 3.6 ft1.09 mL 11:16AM 0.2 ft0.06 mH 5:03PM 3.5 ft1.07 mL 11:16PM 1.1 ft0.33 mMon, Sep 14H 4:44AM 3.6 ft1.09 mL 11:53AM 0.2 ft0.06 mH 5:42PM 3.3 ft1.00 mL 11:38PM 1.3 ft0.40 mTue, Sep 15H 5:04AM 3.5 ft1.07 mL 12:32PM 0.3 ft0.10 mH 6:22PM 3.0 ft0.91 mL 11:59PM 1.5 ft0.46 mWed, Sep 16H 5:24AM 3.4 ft1.04 mL 1:16PM 0.5 ft0.16 mH 7:08PM 2.7 ft0.82 m