tidealmanac
Tue, Oct 20

Wednesday, October 21, 2026

Port Chatham, AK · NOAA 9455428 · MLLW · Local time (America/Anchorage)

Thu, Oct 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. Low5:16 AM3.7 ft1.13 m
  2. High11:54 AM12.0 ft3.65 m
  3. Low5:47 PM4.9 ft1.48 m
  4. High11:49 PM11.6 ft3.54 m

Range 8.3 ft2.52 m · 4 predicted tides · MLLW

Sun

Civil dawn
8:16 AM
Sunrise
8:58 AM
Solar noon
1:52 PM
Sunset
6:45 PM
Civil dusk
7:27 PM
Daylight
9h 47m

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

Moon

Waxing gibbous79% illuminated · day 10 of the cycle

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

This week

Sun, Oct 18L 1:25AM 4.4 ft1.35 mH 8:46AM 9.8 ft2.98 mL 1:51PM 8.5 ft2.58 mH 7:38PM 10.2 ft3.11 mMon, Oct 19L 2:53AM 4.9 ft1.50 mH 10:18AM 10.1 ft3.08 mL 3:37PM 8.1 ft2.48 mH 9:25PM 10.0 ft3.04 mTue, Oct 20L 4:20AM 4.5 ft1.39 mH 11:16AM 10.9 ft3.33 mL 4:59PM 6.7 ft2.05 mH 10:51PM 10.6 ft3.23 mWed, Oct 21L 5:16AM 3.7 ft1.13 mH 11:54AM 12.0 ft3.65 mL 5:47PM 4.9 ft1.48 mH 11:49PM 11.6 ft3.54 mThu, Oct 22L 5:57AM 2.8 ft0.86 mH 12:24PM 13.1 ft4.00 mL 6:25PM 2.8 ft0.86 mFri, Oct 23H 12:35AM 12.7 ft3.89 mL 6:33AM 2.0 ft0.61 mH 12:54PM 14.3 ft4.36 mL 7:01PM 0.8 ft0.24 mSat, Oct 24H 1:17AM 13.8 ft4.21 mL 7:08AM 1.4 ft0.43 mH 1:24PM 15.4 ft4.70 mL 7:37PM -1.1 ft-0.32 m