tidealmanac
Sun, Dec 20

Monday, December 21, 2026

Seaplane Harbor, CA · NOAA 9414413 · MLLW · Local time (America/Los_Angeles)

Tue, Dec 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. Low2:49 AM2.9 ft0.88 m
  2. High8:51 AM8.1 ft2.48 m
  3. Low4:21 PM-0.9 ft-0.28 m
  4. High11:21 PM6.0 ft1.82 m

Range 9.1 ft2.76 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:51 AM
Sunrise
7:21 AM
Solar noon
12:07 PM
Sunset
4:54 PM
Civil dusk
5:23 PM
Daylight
9h 33m

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

Moon

Waxing gibbous93% illuminated · day 12 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Fri, Dec 18L 12:07AM 1.5 ft0.47 mH 6:49AM 7.0 ft2.14 mL 1:56PM 1.3 ft0.39 mH 7:46PM 5.1 ft1.55 mSat, Dec 19L 1:00AM 2.1 ft0.63 mH 7:27AM 7.4 ft2.25 mL 2:46PM 0.5 ft0.15 mH 9:12PM 5.3 ft1.62 mSun, Dec 20L 1:54AM 2.5 ft0.77 mH 8:08AM 7.8 ft2.37 mL 3:34PM -0.3 ft-0.08 mH 10:22PM 5.6 ft1.72 mMon, Dec 21L 2:49AM 2.9 ft0.88 mH 8:51AM 8.1 ft2.48 mL 4:21PM -0.9 ft-0.28 mH 11:21PM 6.0 ft1.82 mTue, Dec 22L 3:43AM 3.1 ft0.94 mH 9:38AM 8.4 ft2.57 mL 5:08PM -1.4 ft-0.44 mWed, Dec 23H 12:13AM 6.2 ft1.89 mL 4:37AM 3.2 ft0.96 mH 10:28AM 8.6 ft2.62 mL 5:56PM -1.7 ft-0.53 mThu, Dec 24H 1:01AM 6.4 ft1.94 mL 5:30AM 3.1 ft0.95 mH 11:19AM 8.6 ft2.63 mL 6:45PM -1.8 ft-0.56 m