tidealmanac
Sun, Oct 18

Monday, October 19, 2026

Grassy Key, South side, Hawk Channel, FL · NOAA 8723933 · MLLW · Local time (America/New_York)

Tue, Oct 20

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. High3:24 AM2.4 ft0.72 m
  2. Low11:17 AM0.5 ft0.16 m
  3. High5:53 PM1.8 ft0.54 m
  4. Low10:41 PM0.9 ft0.27 m

Range 1.8 ft0.56 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:01 AM
Sunrise
7:24 AM
Solar noon
1:09 PM
Sunset
6:54 PM
Civil dusk
7:17 PM
Daylight
11h 31m

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

Moon

First quarter59% illuminated · day 8 of the cycle

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

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