tidealmanac
Thu, Dec 17

Friday, December 18, 2026

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

Sat, Dec 19

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. Low12:07 AM1.5 ft0.47 m
  2. High6:49 AM7.0 ft2.14 m
  3. Low1:56 PM1.3 ft0.39 m
  4. High7:46 PM5.1 ft1.55 m

Range 5.7 ft1.75 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:50 AM
Sunrise
7:19 AM
Solar noon
12:06 PM
Sunset
4:53 PM
Civil dusk
5:22 PM
Daylight
9h 34m

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

Moon

First quarter69% illuminated · day 9 of the cycle

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

This week

Tue, Dec 15H 5:01AM 6.2 ft1.89 mL 10:42AM 3.0 ft0.92 mH 3:32PM 5.9 ft1.78 mL 10:32PM 0.5 ft0.16 mWed, Dec 16H 5:37AM 6.4 ft1.95 mL 11:54AM 2.6 ft0.80 mH 4:42PM 5.4 ft1.65 mL 11:17PM 1.0 ft0.31 mThu, Dec 17H 6:13AM 6.7 ft2.04 mL 1:00PM 2.0 ft0.61 mH 6:11PM 5.1 ft1.56 mFri, 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 m