- Low 5:14 AM 1.5 ft
- High 11:30 AM 15.3 ft
- Low 5:45 PM 0.8 ft
- High 11:53 PM 14.5 ft
First light 6:53 AMSunrise 7:31 AMSunset 5:25 PMLast light 6:04 PM
Custom House Cove, Mary Island, AK Tide Chart & Tide Times
NOAA tide station 9450296 · Alaska · updated Oct 23, 2026
Sat, Oct 24: High tide 12:02 PM (16.4 ft); low tide 5:51 AM (1.3 ft) and 6:22 PM (-0.6 ft).
Tide todayHigh 12:02 PMLow 5:51 AM · Low 6:22 PM
Today's range17.0 ft-0.6 → 16.4 ft (MLLW)
WindLoading…
Sun7:33 AM – 5:23 PMFirst light 6:55 AM · Last light 6:01 PM
Wind: observed at NOAA CO-OPS station 9450460 (Ketchikan), 23 mi away; forecast from the NOAA National Weather Service (api.weather.gov).
Custom House Cove, Mary Island tides — next 3 days
Shaded = night · heights in feet above MLLW · local time
- Low 5:51 AM 1.3 ft
- High 12:02 PM 16.4 ft
- Low 6:22 PM -0.6 ft
First light 6:55 AMSunrise 7:33 AMSunset 5:23 PMLast light 6:01 PM
- High 12:34 AM 15.1 ft
- Low 6:26 AM 1.3 ft
- High 12:34 PM 17.2 ft
- Low 6:59 PM -1.7 ft
First light 6:56 AMSunrise 7:35 AMSunset 5:21 PMLast light 5:59 PM
- High 1:15 AM 15.4 ft
- Low 7:01 AM 1.6 ft
- High 1:07 PM 17.8 ft
- Low 7:37 PM -2.4 ft
First light 6:58 AMSunrise 7:37 AMSunset 5:19 PMLast light 5:57 PM
- High 1:56 AM 15.4 ft
- Low 7:36 AM 2.1 ft
- High 1:42 PM 18.1 ft
- Low 8:17 PM -2.6 ft
First light 7:00 AMSunrise 7:39 AMSunset 5:16 PMLast light 5:55 PM
Custom House Cove, Mary Island tide table — next 8 days
| Fri, Oct 23 | Low 5:14 AM 1.45 ft | High 11:30 AM 15.33 ft | Low 5:45 PM 0.81 ft | High 11:53 PM 14.53 ft |
|---|---|---|---|---|
| Sat, Oct 24 | Low 5:51 AM 1.25 ft | High 12:02 PM 16.38 ft | Low 6:22 PM -0.62 ft | |
| Sun, Oct 25 | High 12:34 AM 15.12 ft | Low 6:26 AM 1.31 ft | High 12:34 PM 17.23 ft | Low 6:59 PM -1.73 ft |
| Mon, Oct 26 | High 1:15 AM 15.43 ft | Low 7:01 AM 1.60 ft | High 1:07 PM 17.83 ft | Low 7:37 PM -2.42 ft |
| Tue, Oct 27 | High 1:56 AM 15.39 ft | Low 7:36 AM 2.11 ft | High 1:42 PM 18.10 ft | Low 8:17 PM -2.62 ft |
| Wed, Oct 28 | High 2:39 AM 15.01 ft | Low 8:14 AM 2.78 ft | High 2:20 PM 17.97 ft | Low 9:00 PM -2.32 ft |
| Thu, Oct 29 | High 3:24 AM 14.34 ft | Low 8:55 AM 3.59 ft | High 3:02 PM 17.41 ft | Low 9:48 PM -1.59 ft |
| Fri, Oct 30 | High 4:15 AM 13.50 ft | Low 9:43 AM 4.47 ft | High 3:50 PM 16.41 ft | Low 10:43 PM -0.57 ft |
| Sat, Oct 31 | High 5:15 AM 12.69 ft | Low 10:42 AM 5.31 ft | High 4:47 PM 15.10 ft | Low 11:47 PM 0.48 ft |
Times are local (standard/daylight). Heights in feet above MLLW.
Nearby tide stations
- Alva Bay, Revillagigedo Island, AK 9.5 mi
- Kah Shakes Cove, AK 10.2 mi
- Morse Cove, Duke Island, AK 12.5 mi
- Tamgas Harbor, Annette Island, AK 13.1 mi
- Metlakatla, Port Chester, AK 14.0 mi
- Kelp Island Passage, Duke Island, AK 15.8 mi
- Boca De Quadra, AK 16.6 mi
- Mop Point, Thorne Arm, AK 19.6 mi
About this station
- NOAA station ID
- 9450296
- Type
- Reference (harmonic) station
- Coordinates
- 55.1000, -131.2170
- Datum
- MLLW (feet)
- Time zone
- America/Anchorage
FAQ
When is high tide today at Custom House Cove, Mary Island, AK?
On Sat, Oct 24, predicted high tide at Custom House Cove, Mary Island, AK is at 12:02 PM local time.
When is low tide today at Custom House Cove, Mary Island, AK?
On Sat, Oct 24, predicted low tide at Custom House Cove, Mary Island, AK is at 5:51 AM, 6:22 PM local time.
Where does this tide data come from?
Predictions come from NOAA's Center for Operational Oceanographic Products and Services (CO-OPS), station 9450296. Heights are in feet relative to Mean Lower Low Water (MLLW).