Tide station · Alaska

Custom House Cove, Mary Island tides

Times are local (America/Sitka, GMT-9). Predicted tides, not live water levels. Not for navigation.

Right now

Rising

Next high 2:52 AM, 12.7 ft (3.88 m), in 40 min.

Today · Fri, Nov 13

High2:52 AM12.7 ft 3.88 m
Low8:14 AM5.5 ft 1.69 m
High2:14 PM14.8 ft 4.52 m
Low9:02 PM1.0 ft 0.31 m

Next 7 days

Feet · orange dots are highs, black dots are lows

High and low tides for the next seven days
Day	Tides (local time, height)
Fri, Nov 13	H 2:52 AM · 12.7 ft L 8:14 AM · 5.5 ft H 2:14 PM · 14.8 ft L 9:02 PM · 1.0 ft
Sat, Nov 14	H 3:33 AM · 12.1 ft L 8:54 AM · 6.1 ft H 2:52 PM · 14.0 ft L 9:45 PM · 1.7 ft
Sun, Nov 15	H 4:22 AM · 11.7 ft L 9:45 AM · 6.6 ft H 3:38 PM · 13.0 ft L 10:36 PM · 2.3 ft
Mon, Nov 16	H 5:22 AM · 11.5 ft L 10:53 AM · 6.7 ft H 4:38 PM · 12.1 ft L 11:34 PM · 2.8 ft
Tue, Nov 17	H 6:28 AM · 11.8 ft L 12:13 PM · 6.4 ft H 5:59 PM · 11.5 ft
Wed, Nov 18	L 12:36 AM · 3.1 ft H 7:27 AM · 12.6 ft L 1:29 PM · 5.4 ft H 7:23 PM · 11.5 ft
Thu, Nov 19	L 1:36 AM · 3.2 ft H 8:17 AM · 13.6 ft L 2:33 PM · 3.9 ft H 8:34 PM · 12.1 ft

About this station

Custom House Cove, Mary Island is a NOAA reference station in Alaska, with its own harmonic constants. Heights are feet above mean lower low water (MLLW).

Tide type: Semidiurnal: two highs and two lows a day, close to the same size.

This week the biggest swing between high and low is 13.8 ft; the average swing is 8.3 ft.

Station facts

Station ID: 9450296
Source: NOAA CO-OPS
Type: Reference station
Coordinates: 55.1000, -131.2170
Datum: MLLW (mean lower low water)
Tide type: Semidiurnal
Time zone: America/Sitka

Custom House Cove, Mary Island tides

Next 7 days

About this station

Station facts

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