Tide station · Alaska

Zachary Bay, Unga Island tides

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

Right now

Rising

Next high 5:21 AM, 5.9 ft (1.80 m), in 4 h 05 min.

Today · Fri, Nov 13

High5:21 AM5.9 ft 1.80 m
Low9:41 AM4.2 ft 1.28 m
High3:35 PM7.6 ft 2.31 m
Low11:05 PM0.4 ft 0.12 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 5:21 AM · 5.9 ft L 9:41 AM · 4.2 ft H 3:35 PM · 7.6 ft L 11:05 PM · 0.4 ft
Sat, Nov 14	H 6:13 AM · 5.7 ft L 10:17 AM · 4.4 ft H 4:11 PM · 7.1 ft L 11:49 PM · 0.8 ft
Sun, Nov 15	H 7:12 AM · 5.6 ft L 11:09 AM · 4.6 ft H 4:55 PM · 6.6 ft
Mon, Nov 16	L 12:38 AM · 1.2 ft H 8:12 AM · 5.7 ft L 12:40 PM · 4.7 ft H 5:53 PM · 6.1 ft
Tue, Nov 17	L 1:34 AM · 1.6 ft H 9:04 AM · 6.0 ft L 2:38 PM · 4.3 ft H 7:20 PM · 5.6 ft
Wed, Nov 18	L 2:32 AM · 1.9 ft H 9:44 AM · 6.4 ft L 3:55 PM · 3.6 ft H 9:10 PM · 5.4 ft
Thu, Nov 19	L 3:28 AM · 2.2 ft H 10:18 AM · 6.9 ft L 4:49 PM · 2.6 ft H 10:36 PM · 5.6 ft

About this station

Zachary Bay, Unga Island is a NOAA reference station in Alaska, with its own harmonic constants. Heights are feet above mean lower low water (MLLW).

Tide type: Mixed, mostly semidiurnal: two highs and two lows a day, one pair noticeably bigger than the other.

This week the biggest swing between high and low is 7.2 ft; the average swing is 3.4 ft.

Station facts

Station ID: 9459465
Source: NOAA CO-OPS
Type: Reference station
Coordinates: 55.3350, -160.6170
Datum: MLLW (mean lower low water)
Tide type: Mixed, mostly semidiurnal
Time zone: America/Anchorage

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