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Morse Cove, Duke Island tide times

Alaska · NOAA station 9450172 · times in local time
Tuesday, October 27: high tide 2:01 AM (15.3 ft) and 1:50 PM (17.8 ft); low tide 7:51 AM (1.8 ft) and 8:35 PM (-2.9 ft).
next high tide
2:01 AM
15.3 ft
next low tide
7:51 AM
1.8 ft
moon
–
 

Tide chart — today, Tue, Oct 27

Heights in feet above Mean Lower Low Water (MLLW). Dots are NOAA's predicted highs and lows; the line between them is our interpolation. Shaded: night.

TideTimeHeight
High tide2:01 AM15.30 ft
Low tide7:51 AM1.78 ft
High tide1:50 PM17.80 ft
Low tide8:35 PM-2.94 ft

Morse Cove, Duke Island tide table — next 7 days

DayHigh tidesLow tides
Today
Tue, Oct 27		2:01 AM 15.3 ft1:50 PM 17.8 ft7:51 AM 1.8 ft8:35 PM -2.9 ft
Tomorrow
Wed, Oct 28		2:46 AM 15.0 ft2:30 PM 17.6 ft8:31 AM 2.4 ft9:19 PM -2.6 ft
Thu, Oct 293:34 AM 14.4 ft3:14 PM 16.9 ft9:14 AM 3.2 ft10:08 PM -1.8 ft
Fri, Oct 304:26 AM 13.6 ft4:04 PM 15.9 ft10:04 AM 4.2 ft11:04 PM -0.7 ft
Sat, Oct 315:28 AM 12.7 ft5:04 PM 14.5 ft11:04 AM 5.1 ft
Sun, Nov 15:40 AM 12.3 ft5:21 PM 13.3 ft12:10 AM 0.4 ft11:24 AM 5.7 ft
Mon, Nov 26:58 AM 12.4 ft6:51 PM 12.6 ft12:24 AM 1.3 ft1:01 PM 5.4 ft

The year at Morse Cove, Duke Island

Highest tide, next 12 months18.3 ft on December 24, 2026 at 12:22 PM
Lowest tide, next 12 months-4.2 ft on July 5, 2027 at 8:39 AM
Minus tides (below 0 ft)178 days in the next 12 months
Tide patternTwo high and two low tides a day
Typical daily range14.6 ft (30-day average)
StationNOAA 9450172 · subordinate station · 54.92, -131.255

Morse Cove, Duke Island is a subordinate station: NOAA computes its tides from Ketchikan with fixed time and height corrections.

Moving water at dawn and dusk —

The current runs fastest roughly halfway between a high and a low tide. Many anglers prefer those hours when they fall near sunrise or sunset. This is a rule of thumb, not a fishing forecast.

Map

Nearby tide stations

Kelp Island Passage, Duke Island3.5 mi · AK Custom House Cove, Mary Island13 mi · AK Kah Shakes Cove14 mi · AK Tamgas Harbor, Annette Island15 mi · AK Metlakatla, Port Chester19 mi · AK Alva Bay, Revillagigedo Island22 mi · AK Boca de Quadra23 mi · AK Nakat Harbor, Alaska23 mi · AK

All Alaska tide stations →

Questions about Morse Cove, Duke Island tides

What time is high tide at Morse Cove, Duke Island today?

On Tuesday, October 27, high tide at Morse Cove, Duke Island is at 2:01 AM (15.3 ft) and 1:50 PM (17.8 ft); low tide is at 7:51 AM (1.8 ft) and 8:35 PM (-2.9 ft) (AKDT, heights above MLLW). The table above lists the next 7 days.

When are the highest tides of the year at Morse Cove, Duke Island?

The highest predicted tide in the next 12 months is 18.3 ft on December 24, 2026 at 12:22 PM. The largest tides fall a day or two after a full or new moon, especially when the Moon is closest to Earth.

Are there minus tides at Morse Cove, Duke Island?

Yes — on 178 days in the next 12 months the low tide drops below 0 ft (MLLW). The lowest is -4.2 ft on July 5, 2027 at 8:39 AM. Minus tides expose the most shoreline, which is why tide-poolers look for them.

What time zone are these tide times in?

Station local time (AKDT at the time this page was built), with daylight saving time applied where the area observes it — the same convention as NOAA's own tide tables.

Where does this tide data come from?

From NOAA CO-OPS, the U.S. government tide station network (tidesandcurrents.noaa.gov); the predictions are public domain. Morse Cove, Duke Island is a subordinate station: NOAA derives its times and heights from the reference station Ketchikan with fixed corrections. The curve between highs and lows is our interpolation. This page is not for navigation.