Kelp Island Passage, Duke Island, AK Tide Chart & Tide Times

NOAA tide station 9450142 · Alaska · updated Oct 23, 2026

Sat, Oct 24: High tide 11:58 AM (15.6 ft); low tide 5:50 AM (1.3 ft) and 6:24 PM (-0.7 ft).

Tide todayHigh 11:58 AMLow 5:50 AM · Low 6:24 PM

Today's range16.4 ft-0.7 → 15.6 ft (MLLW)

Waves (buoy)Loading…NDBC 46145

Water temp (buoy)Loading…

WindLoading…

Sun7:33 AM – 5:24 PMFirst light 6:55 AM · Last light 6:02 PM

Buoy: NOAA NDBC 46145 (Central Dixon Entrance Buoy), 57 mi away. Buoy readings are recent observations, not a surf forecast. Wind: observed at NOAA NDBC station TPXA2 (Tree Point, AK), 15 mi away; forecast from the NOAA National Weather Service (api.weather.gov).

Kelp Island Passage, Duke Island tides — next 3 days

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

YesterdayFri, Oct 23

Low 5:14 AM 1.6 ft
High 11:27 AM 14.5 ft
Low 5:47 PM 0.8 ft
High 11:47 PM 13.8 ft

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

TodaySat, Oct 24

Low 5:50 AM 1.3 ft
High 11:58 AM 15.6 ft
Low 6:24 PM -0.7 ft

First light 6:55 AMSunrise 7:33 AMSunset 5:24 PMLast light 6:02 PM

TomorrowSun, Oct 25

High 12:29 AM 14.5 ft
Low 6:25 AM 1.2 ft
High 12:31 PM 16.5 ft
Low 7:02 PM -1.9 ft

First light 6:56 AMSunrise 7:35 AMSunset 5:22 PMLast light 6:00 PM

MondayMon, Oct 26

High 1:11 AM 14.9 ft
Low 7:01 AM 1.4 ft
High 1:06 PM 17.2 ft
Low 7:41 PM -2.7 ft

First light 6:58 AMSunrise 7:37 AMSunset 5:20 PMLast light 5:58 PM

TuesdayTue, Oct 27

High 1:54 AM 15.0 ft
Low 7:39 AM 1.8 ft
High 1:43 PM 17.4 ft
Low 8:23 PM -2.9 ft

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

Kelp Island Passage, Duke Island tide table — next 8 days

Fri, Oct 23	Low 5:14 AM 1.63 ft	High 11:27 AM 14.53 ft	Low 5:47 PM 0.81 ft	High 11:47 PM 13.82 ft
Sat, Oct 24	Low 5:50 AM 1.31 ft	High 11:58 AM 15.63 ft	Low 6:24 PM -0.72 ft
Sun, Oct 25	High 12:29 AM 14.50 ft	Low 6:25 AM 1.22 ft	High 12:31 PM 16.55 ft	Low 7:02 PM -1.94 ft
Mon, Oct 26	High 1:11 AM 14.91 ft	Low 7:01 AM 1.38 ft	High 1:06 PM 17.18 ft	Low 7:41 PM -2.71 ft
Tue, Oct 27	High 1:54 AM 14.98 ft	Low 7:39 AM 1.78 ft	High 1:43 PM 17.43 ft	Low 8:23 PM -2.94 ft
Wed, Oct 28	High 2:39 AM 14.70 ft	Low 8:19 AM 2.41 ft	High 2:23 PM 17.24 ft	Low 9:07 PM -2.61 ft
Thu, Oct 29	High 3:27 AM 14.08 ft	Low 9:02 AM 3.24 ft	High 3:07 PM 16.59 ft	Low 9:56 PM -1.80 ft
Fri, Oct 30	High 4:19 AM 13.26 ft	Low 9:52 AM 4.19 ft	High 3:57 PM 15.53 ft	Low 10:52 PM -0.69 ft
Sat, Oct 31	High 5:21 AM 12.46 ft	Low 10:52 AM 5.12 ft	High 4:57 PM 14.22 ft	Low 11:58 PM 0.43 ft

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

Nearby tide stations

Morse Cove, Duke Island, AK 3.5 mi
Custom House Cove, Mary Island, AK 15.8 mi
Tamgas Harbor, Annette Island, AK 16.3 mi
Kah Shakes Cove, AK 17.1 mi
Metlakatla, Port Chester, AK 20.4 mi
Nakat Harbor, Alaska, AK 24.2 mi
Alva Bay, Revillagigedo Island, AK 25.2 mi
Boca De Quadra, AK 25.9 mi

About this station

NOAA station ID: 9450142
Type: Subordinate station (offsets from NOAA station 9450460)
Coordinates: 54.8767, -131.3000
Datum: MLLW (feet)
Time zone: America/Anchorage

FAQ

When is high tide today at Kelp Island Passage, Duke Island, AK?

On Sat, Oct 24, predicted high tide at Kelp Island Passage, Duke Island, AK is at 11:58 AM local time.

When is low tide today at Kelp Island Passage, Duke Island, AK?

On Sat, Oct 24, predicted low tide at Kelp Island Passage, Duke Island, AK is at 5:50 AM, 6:24 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 9450142. Heights are in feet relative to Mean Lower Low Water (MLLW).