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Udamat Bay, Sedanka Island tide times

Alaska · NOAA station 9462645 · times in local time
Tuesday, October 27: high tide 5:01 AM (4.5 ft) and 3:33 PM (5.8 ft); low tide 9:50 AM (2.8 ft) and 10:53 PM (-1.4 ft).
next high tide
5:01 AM
4.5 ft
next low tide
9:50 AM
2.8 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 tide5:01 AM4.50 ft
Low tide9:50 AM2.79 ft
High tide3:33 PM5.82 ft
Low tide10:53 PM-1.36 ft

Udamat Bay, Sedanka Island tide table — next 7 days

DayHigh tidesLow tides
Today
Tue, Oct 27		5:01 AM 4.5 ft3:33 PM 5.8 ft9:50 AM 2.8 ft10:53 PM -1.4 ft
Tomorrow
Wed, Oct 28		5:58 AM 4.3 ft4:01 PM 5.8 ft10:28 AM 3.2 ft11:41 PM -1.4 ft
Thu, Oct 297:00 AM 4.2 ft4:34 PM 5.7 ft11:08 AM 3.5 ft
Fri, Oct 308:18 AM 4.0 ft5:14 PM 5.4 ft12:35 AM -1.1 ft11:59 AM 3.7 ft
Sat, Oct 3110:38 AM 4.0 ft6:10 PM 4.9 ft1:35 AM -0.8 ft1:12 PM 3.8 ft
Sun, Nov 110:32 AM 4.2 ft7:13 PM 4.3 ft1:41 AM -0.3 ft1:56 PM 3.7 ft
Mon, Nov 211:04 AM 4.4 ft8:57 PM 4.0 ft2:49 AM 0.1 ft3:49 PM 3.1 ft

The year at Udamat Bay, Sedanka Island

Highest tide, next 12 months6.3 ft on December 24, 2026 at 2:03 PM
Lowest tide, next 12 months-2.1 ft on December 23, 2026 at 8:48 PM
Minus tides (below 0 ft)165 days in the next 12 months
Tide patternTwo high and two low tides a day
Typical daily range5.3 ft (30-day average)
StationNOAA 9462645 · harmonic (reference) station · 53.8289, -166.2162

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

English Bay6.8 mi · AK Udagak Strait7.1 mi · AK Malga Bay, Unalga Island11 mi · AK Unalaska14 mi · AK Dutch Harbor, Amaknak Island14 mi · AK Kisselen Bay, Beaver Inlet17 mi · AK Broad Bight, Akutan Island20 mi · AK Reef Bight, Akutan Island21 mi · AK

All Alaska tide stations →

Questions about Udamat Bay, Sedanka Island tides

What time is high tide at Udamat Bay, Sedanka Island today?

On Tuesday, October 27, high tide at Udamat Bay, Sedanka Island is at 5:01 AM (4.5 ft) and 3:33 PM (5.8 ft); low tide is at 9:50 AM (2.8 ft) and 10:53 PM (-1.4 ft) (AKDT, heights above MLLW). The table above lists the next 7 days.

When are the highest tides of the year at Udamat Bay, Sedanka Island?

The highest predicted tide in the next 12 months is 6.3 ft on December 24, 2026 at 2:03 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 Udamat Bay, Sedanka Island?

Yes — on 165 days in the next 12 months the low tide drops below 0 ft (MLLW). The lowest is -2.1 ft on December 23, 2026 at 8:48 PM. 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. The curve between highs and lows is our interpolation. This page is not for navigation.