Koyuk, Koyuk Inlet, AK Tide Chart Today & Tomorrow

NOAA tide station 9469031 · Alaska · updated Nov 12, 2026

Fri, Nov 13: High tide 3:45 AM (4.0 ft); low tide 12:57 PM (-1.6 ft).

Tide todayHigh 3:45 AMLow 12:57 PM

Today's range5.6 ft-1.6 → 4.0 ft (MLLW)

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Wind: NOAA National Weather Service hourly forecast (api.weather.gov); no observing station within 25 mi.

Koyuk, Koyuk Inlet tides — next 3 days

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

YesterdayThu, Nov 12

High 3:19 AM 3.9 ft
Low 12:23 PM -1.6 ft

First light 9:09 AMSunrise 10:12 AMSunset 4:44 PMLast light 5:46 PM

TodayFri, Nov 13

High 3:45 AM 4.0 ft
Low 12:57 PM -1.6 ft

First light 9:12 AMSunrise 10:15 AMSunset 4:41 PMLast light 5:44 PM

TomorrowSat, Nov 14

High 4:12 AM 4.0 ft
Low 1:29 PM -1.6 ft

First light 9:15 AMSunrise 10:19 AMSunset 4:38 PMLast light 5:41 PM

SundaySun, Nov 15

High 4:39 AM 3.9 ft
Low 2:02 PM -1.4 ft

First light 9:18 AMSunrise 10:22 AMSunset 4:34 PMLast light 5:39 PM

MondayMon, Nov 16

High 5:06 AM 3.8 ft
Low 2:34 PM -1.2 ft

First light 9:20 AMSunrise 10:26 AMSunset 4:31 PMLast light 5:37 PM

Koyuk, Koyuk Inlet tide table — next 7 days

Thu, Nov 12	High 3:19 AM 3.91 ft	Low 12:23 PM -1.60 ft
Fri, Nov 13	High 3:45 AM 3.97 ft	Low 12:57 PM -1.63 ft
Sat, Nov 14	High 4:12 AM 3.97 ft	Low 1:29 PM -1.56 ft
Sun, Nov 15	High 4:39 AM 3.93 ft	Low 2:02 PM -1.43 ft
Mon, Nov 16	High 5:06 AM 3.83 ft	Low 2:34 PM -1.24 ft
Tue, Nov 17	High 5:30 AM 3.64 ft	Low 3:03 PM -1.01 ft
Wed, Nov 18	High 5:52 AM 3.35 ft	Low 3:25 PM -0.73 ft
Thu, Nov 19	High 6:10 AM 2.95 ft	Low 3:34 PM -0.43 ft
Fri, Nov 20	High 6:10 AM 2.44 ft	Low 3:22 PM -0.15 ft

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

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About the tide at Koyuk, Koyuk Inlet

It is a harmonic reference station (predicted directly from its own tidal constituents).

Koyuk, Koyuk Inlet has a diurnal tide: one high tide and one low tide on most days (only 25% of days have two high tides). The average rise or fall between high and low tide is 3.6 ft, growing to about 5.5 ft at spring tides (around new and full moon) and shrinking to about 3.2 ft at neap tides (around the quarter moons). The highest tide predicted in the next 12 months is 5.5 ft on July 5, 2027 at 2:44 PM; the lowest is -2.5 ft on December 27, 2026 at 12:17 PM, and 298 low tides in that period drop below zero (MLLW).

Tide type: Diurnal
Mean range: 3.6 ft
Spring / neap range: 5.5 ft / 3.2 ft
Average higher high: 3.6 ft
Average lower low: -0.8 ft
Highest tide, next 12 months: 5.5 ft · Jul 5, 2027
Lowest tide, next 12 months: -2.5 ft · Dec 27, 2026
Negative low tides (12 months): 298

This week

From Fri, Nov 13 to Thu, Nov 19, high tides at Koyuk, Koyuk Inlet range from 3.0 ft to 4.0 ft; the biggest is on Sat, Nov 14 at 4:12 AM. The lowest low is -1.6 ft on Fri, Nov 13 at 12:57 PM.

Tide statistics computed from NOAA high/low predictions for Oct 2026 – Oct 2027; heights in feet above MLLW. Predictions are astronomical and do not include weather.

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Nearby tide stations

Shaktoolik, AK 38.2 mi south
Golovin, Golovnin Lagoon Entrance, AK 61.5 mi southwest
Upper Golovnin Lagoon, AK 62.6 mi west
White Mountain, Niukluk, AK 68.7 mi west
Buckland, Buckland River, AK 72.2 mi north
Unalakleet, AK 73.8 mi south
Deering, AK 92.5 mi northwest
North Bay, Stuart Island, AK 98.9 mi southwest

About this station

NOAA station ID: 9469031
Type: Reference (harmonic) station
Coordinates: 64.9312, -161.1508
Datum: MLLW (feet)
Time zone: America/Anchorage

FAQ

When is high tide today at Koyuk, Koyuk Inlet, AK?

On Fri, Nov 13, predicted high tide at Koyuk, Koyuk Inlet, AK is at 3:45 AM local time.

When is low tide today at Koyuk, Koyuk Inlet, AK?

On Fri, Nov 13, predicted low tide at Koyuk, Koyuk Inlet, AK is at 12:57 PM local time.

When are high and low tide tomorrow at Koyuk, Koyuk Inlet, AK?

On Sat, Nov 14, predicted high tide is at 4:12 AM (4.0 ft); low tide is at 1:29 PM (-1.6 ft) (local time).

What is the tide range at Koyuk, Koyuk Inlet, AK?

The average range between high and low tide is 3.6 ft; about 5.5 ft at spring tides and 3.2 ft at neap tides. The highest tide predicted in the next 12 months is 5.5 ft on July 5, 2027 (NOAA predictions, MLLW).

Where does this tide data come from?

Predictions come from NOAA's Center for Operational Oceanographic Products and Services (CO-OPS), station 9469031. Heights are in feet relative to Mean Lower Low Water (MLLW).