Tide station · Alaska

Marble Island tides

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

Right now

Rising

Next high 3:02 AM, 9.2 ft (2.79 m), in 3 h 10 min.

Today · Thu, Nov 12

High2:20 AM9.5 ft 2.90 m
Low7:34 AM4.4 ft 1.34 m
High1:19 PM11.1 ft 3.38 m
Low8:23 PM-0.1 ft -0.04 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)
Thu, Nov 12	H 2:20 AM · 9.5 ft L 7:34 AM · 4.4 ft H 1:19 PM · 11.1 ft L 8:23 PM · -0.1 ft
Fri, Nov 13	H 3:02 AM · 9.2 ft L 8:10 AM · 4.7 ft H 1:53 PM · 10.6 ft L 9:03 PM · 0.4 ft
Sat, Nov 14	H 3:48 AM · 8.8 ft L 8:52 AM · 5.0 ft H 2:32 PM · 10.0 ft L 9:46 PM · 0.9 ft
Sun, Nov 15	H 4:41 AM · 8.5 ft L 9:43 AM · 5.2 ft H 3:18 PM · 9.3 ft L 10:35 PM · 1.4 ft
Mon, Nov 16	H 5:39 AM · 8.5 ft L 10:53 AM · 5.2 ft H 4:19 PM · 8.6 ft L 11:30 PM · 1.8 ft
Tue, Nov 17	H 6:35 AM · 8.7 ft L 12:21 PM · 4.9 ft H 5:38 PM · 8.1 ft
Wed, Nov 18	L 12:29 AM · 2.1 ft H 7:24 AM · 9.1 ft L 1:40 PM · 4.1 ft H 7:05 PM · 7.9 ft

About this station

Marble Island is a NOAA subordinate station in Alaska: its highs and lows are offsets from Sitka. 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 11.2 ft; the average swing is 6.1 ft.

Station facts

Station ID: TWC1583
Source: NOAA CO-OPS
Type: Subordinate station
Reference station: Sitka
Coordinates: 56.0000, -133.4667
Datum: MLLW (mean lower low water)
Tide type: Mixed, mostly semidiurnal
Time zone: America/Sitka

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