Mon, Oct 5Wed, Oct 7
Tuesday, October 6, 2026
Alcatraz Island, CA · NOAA 9414792 · MLLW · Local time (America/Los_Angeles)
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
- Low2:56 AM-0.1 ft-0.02 m
- High9:58 AM5.3 ft1.60 m
- Low3:20 PM2.1 ft0.64 m
- High9:12 PM5.6 ft1.70 m
Range 5.6 ft1.72 m · 4 predicted tides · MLLW
Sun
- Civil dawn
- 6:43 AM
- Sunrise
- 7:09 AM
- Solar noon
- 12:58 PM
- Sunset
- 6:46 PM
- Civil dusk
- 7:13 PM
- Daylight
- 11h 37m
Computed from the station's coordinates (NOAA solar algorithm, ±1 min); not NOAA tide data. Sun calendars: sunupsundown.site.
Moon
Waning crescent23% illuminated · day 24 of the cycle
Between spring and neap: an average tidal range. Approximate phase, computed here.
This week
Sat, Oct 3H 7:25AM 4.4 ft1.35 mL 11:30AM 3.5 ft1.08 mH 5:25PM 5.8 ft1.76 mSun, Oct 4L 12:52AM -0.1 ft-0.02 mH 8:30AM 4.7 ft1.42 mL 1:06PM 3.3 ft1.00 mH 6:46PM 5.6 ft1.72 mMon, Oct 5L 2:00AM -0.1 ft-0.03 mH 9:18AM 5.0 ft1.51 mL 2:21PM 2.8 ft0.84 mH 8:03PM 5.6 ft1.71 mTue, Oct 6L 2:56AM -0.1 ft-0.02 mH 9:58AM 5.3 ft1.60 mL 3:20PM 2.1 ft0.64 mH 9:12PM 5.6 ft1.70 mWed, Oct 7L 3:43AM 0.1 ft0.02 mH 10:33AM 5.5 ft1.69 mL 4:12PM 1.5 ft0.45 mH 10:13PM 5.5 ft1.69 mThu, Oct 8L 4:24AM 0.3 ft0.11 mH 11:05AM 5.8 ft1.76 mL 4:58PM 0.9 ft0.28 mH 11:09PM 5.4 ft1.65 mFri, Oct 9L 5:02AM 0.7 ft0.23 mH 11:36AM 6.0 ft1.82 mL 5:41PM 0.4 ft0.14 m