Tide station · Alaska

Portage Bay, Kupreanof Island tides

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

Right now

Rising

Next high 3:03 AM, 13.1 ft (3.98 m), in 52 min.

Today · Fri, Nov 13

High3:03 AM13.1 ft 3.98 m
Low8:39 AM5.6 ft 1.72 m
High2:25 PM15.2 ft 4.62 m
Low9:07 PM0.9 ft 0.29 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 3:03 AM · 13.1 ft L 8:39 AM · 5.6 ft H 2:25 PM · 15.2 ft L 9:07 PM · 0.9 ft
Sat, Nov 14	H 3:45 AM · 12.3 ft L 9:19 AM · 6.3 ft H 3:05 PM · 14.2 ft L 9:48 PM · 1.9 ft
Sun, Nov 15	H 4:35 AM · 11.7 ft L 10:09 AM · 6.9 ft H 3:53 PM · 13.1 ft L 10:37 PM · 2.7 ft
Mon, Nov 16	H 5:36 AM · 11.5 ft L 11:15 AM · 7.2 ft H 4:53 PM · 12.1 ft L 11:35 PM · 3.3 ft
Tue, Nov 17	H 6:42 AM · 11.7 ft L 12:35 PM · 6.8 ft H 6:09 PM · 11.5 ft
Wed, Nov 18	L 12:41 AM · 3.7 ft H 7:40 AM · 12.4 ft L 1:50 PM · 5.7 ft H 7:29 PM · 11.4 ft
Thu, Nov 19	L 1:45 AM · 3.8 ft H 8:28 AM · 13.4 ft L 2:49 PM · 4.1 ft H 8:40 PM · 12.0 ft

About this station

Portage Bay, Kupreanof Island is a NOAA subordinate station in Alaska: its highs and lows are offsets from Juneau. 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 14.2 ft; the average swing is 8.0 ft.

Station facts

Station ID: TWC1663
Source: NOAA CO-OPS
Type: Subordinate station
Reference station: Juneau
Coordinates: 57.0000, -133.3167
Datum: MLLW (mean lower low water)
Tide type: Semidiurnal
Time zone: America/Sitka

Portage Bay, Kupreanof Island tides

Next 7 days

About this station

Station facts

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