tidealmanac
Tue, Oct 20

Wednesday, October 21, 2026

Greenhead Slough, WA · NOAA 9440650 · MLLW · Local time (America/Los_Angeles)

Thu, Oct 22

Predicted tide height, every 6 minutes

HighLowNightTwilight
9.8 ft3.0 m4.9 ft1.5 m0 ft0.0 m12 AM3 AM6 AM9 AMNoon3 PM6 PM9 PM12 AMSunrise 7:41 AMSunset 6:20 PM4:45 AM · 2.0 ft4:45 AM · 0.60 m11:26 AM · 8.8 ft11:26 AM · 2.67 m5:16 PM · 3.2 ft5:16 PM · 0.99 m11:26 PM · 8.5 ft11:26 PM · 2.58 m

NOAA's sampled predictions for this station and day. Sun times are computed here from the station's coordinates and are not NOAA data.

Tides

  1. Low4:45 AM2.0 ft0.60 m
  2. High11:26 AM8.8 ft2.67 m
  3. Low5:16 PM3.2 ft0.99 m
  4. High11:26 PM8.5 ft2.58 m

Range 6.8 ft2.07 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:10 AM
Sunrise
7:41 AM
Solar noon
1:00 PM
Sunset
6:20 PM
Civil dusk
6:51 PM
Daylight
10h 39m

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 2:00AM 1.7 ft0.53 mH 8:32AM 7.8 ft2.38 mL 2:18PM 4.6 ft1.41 mH 7:57PM 8.7 ft2.65 mMon, Oct 19L 2:56AM 2.0 ft0.60 mH 9:35AM 7.9 ft2.40 mL 3:20PM 4.5 ft1.36 mH 9:07PM 8.3 ft2.54 mTue, Oct 20L 3:52AM 2.0 ft0.62 mH 10:35AM 8.2 ft2.50 mL 4:20PM 4.0 ft1.22 mH 10:19PM 8.3 ft2.52 mWed, Oct 21L 4:45AM 2.0 ft0.60 mH 11:26AM 8.8 ft2.67 mL 5:16PM 3.2 ft0.99 mH 11:26PM 8.5 ft2.58 mThu, Oct 22L 5:35AM 1.9 ft0.57 mH 12:08PM 9.4 ft2.88 mL 6:09PM 2.3 ft0.70 mFri, Oct 23H 12:24AM 8.9 ft2.71 mL 6:23AM 1.8 ft0.54 mH 12:46PM 10.2 ft3.11 mL 6:57PM 1.3 ft0.40 mSat, Oct 24H 1:14AM 9.3 ft2.85 mL 7:08AM 1.8 ft0.54 mH 1:23PM 10.9 ft3.34 mL 7:43PM 0.4 ft0.11 m