Morse Cove, Duke Island, AK Tide Chart & Tide Times

NOAA tide station 9450172 · Alaska · updated Oct 23, 2026

Sat, Oct 24: High tide 12:05 PM (16.0 ft); low tide 6:02 AM (1.3 ft) and 6:36 PM (-0.7 ft).

Tide todayHigh 12:05 PMLow 6:02 AM · Low 6:36 PM

Today's range16.7 ft-0.7 → 16.0 ft (MLLW)

WindLoading…

Sun7:33 AM – 5:24 PMFirst light 6:54 AM · Last light 6:02 PM

Wind: observed at NOAA NDBC station MRYA2 (Mary Island, AK), 13 mi away; forecast from the NOAA National Weather Service (api.weather.gov).

Morse Cove, Duke Island tides — next 3 days

Shaded = night · heights in feet above MLLW · local time

YesterdayFri, Oct 23

Low 5:26 AM 1.6 ft
High 11:34 AM 14.8 ft
Low 5:59 PM 0.8 ft
High 11:54 PM 14.1 ft

First light 6:53 AMSunrise 7:31 AMSunset 5:26 PMLast light 6:04 PM

TodaySat, Oct 24

Low 6:02 AM 1.3 ft
High 12:05 PM 16.0 ft
Low 6:36 PM -0.7 ft

First light 6:54 AMSunrise 7:33 AMSunset 5:24 PMLast light 6:02 PM

TomorrowSun, Oct 25

High 12:36 AM 14.8 ft
Low 6:37 AM 1.2 ft
High 12:38 PM 16.9 ft
Low 7:14 PM -1.9 ft

First light 6:56 AMSunrise 7:35 AMSunset 5:21 PMLast light 6:00 PM

MondayMon, Oct 26

High 1:18 AM 15.2 ft
Low 7:13 AM 1.4 ft
High 1:13 PM 17.5 ft
Low 7:53 PM -2.7 ft

First light 6:58 AMSunrise 7:37 AMSunset 5:19 PMLast light 5:58 PM

TuesdayTue, Oct 27

High 2:01 AM 15.3 ft
Low 7:51 AM 1.8 ft
High 1:50 PM 17.8 ft
Low 8:35 PM -2.9 ft

First light 7:00 AMSunrise 7:39 AMSunset 5:17 PMLast light 5:56 PM

Morse Cove, Duke Island tide table — next 8 days

Fri, Oct 23	Low 5:26 AM 1.63 ft	High 11:34 AM 14.84 ft	Low 5:59 PM 0.81 ft	High 11:54 PM 14.12 ft
Sat, Oct 24	Low 6:02 AM 1.31 ft	High 12:05 PM 15.96 ft	Low 6:36 PM -0.72 ft
Sun, Oct 25	High 12:36 AM 14.81 ft	Low 6:37 AM 1.22 ft	High 12:38 PM 16.90 ft	Low 7:14 PM -1.94 ft
Mon, Oct 26	High 1:18 AM 15.22 ft	Low 7:13 AM 1.38 ft	High 1:13 PM 17.54 ft	Low 7:53 PM -2.71 ft
Tue, Oct 27	High 2:01 AM 15.30 ft	Low 7:51 AM 1.78 ft	High 1:50 PM 17.80 ft	Low 8:35 PM -2.94 ft
Wed, Oct 28	High 2:46 AM 15.01 ft	Low 8:31 AM 2.41 ft	High 2:30 PM 17.61 ft	Low 9:19 PM -2.61 ft
Thu, Oct 29	High 3:34 AM 14.38 ft	Low 9:14 AM 3.24 ft	High 3:14 PM 16.94 ft	Low 10:08 PM -1.80 ft
Fri, Oct 30	High 4:26 AM 13.55 ft	Low 10:04 AM 4.19 ft	High 4:04 PM 15.86 ft	Low 11:04 PM -0.69 ft
Sat, Oct 31	High 5:28 AM 12.73 ft	Low 11:04 AM 5.12 ft	High 5:04 PM 14.53 ft

Times are local (standard/daylight). Heights in feet above MLLW.

Nearby tide stations

Kelp Island Passage, Duke Island, AK 3.5 mi
Custom House Cove, Mary Island, AK 12.5 mi
Kah Shakes Cove, AK 13.8 mi
Tamgas Harbor, Annette Island, AK 15.2 mi
Metlakatla, Port Chester, AK 19.0 mi
Alva Bay, Revillagigedo Island, AK 21.8 mi
Boca De Quadra, AK 22.6 mi
Nakat Harbor, Alaska, AK 23.1 mi

About this station

NOAA station ID: 9450172
Type: Subordinate station (offsets from NOAA station 9450460)
Coordinates: 54.9200, -131.2550
Datum: MLLW (feet)
Time zone: America/Anchorage

FAQ

When is high tide today at Morse Cove, Duke Island, AK?

On Sat, Oct 24, predicted high tide at Morse Cove, Duke Island, AK is at 12:05 PM local time.

When is low tide today at Morse Cove, Duke Island, AK?

On Sat, Oct 24, predicted low tide at Morse Cove, Duke Island, AK is at 6:02 AM, 6:36 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 9450172. Heights are in feet relative to Mean Lower Low Water (MLLW).