Tide station · Alaska

Castle Bay, Northwest Arm tides

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

Right now

Rising

Next high 5:07 AM, 7.0 ft (2.12 m), in 3 h 30 min.

Today · Fri, Nov 13

High5:07 AM7.0 ft 2.12 m
Low9:59 AM4.5 ft 1.37 m
High3:58 PM8.8 ft 2.69 m
Low11:10 PM0.3 ft 0.09 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 5:07 AM · 7.0 ft L 9:59 AM · 4.5 ft H 3:58 PM · 8.8 ft L 11:10 PM · 0.3 ft
Sat, Nov 14	H 5:52 AM · 6.7 ft L 10:37 AM · 4.8 ft H 4:35 PM · 8.3 ft L 11:53 PM · 0.8 ft
Sun, Nov 15	H 6:45 AM · 6.6 ft L 11:26 AM · 5.0 ft H 5:19 PM · 7.7 ft
Mon, Nov 16	L 12:42 AM · 1.3 ft H 7:45 AM · 6.6 ft L 12:47 PM · 5.1 ft H 6:17 PM · 7.1 ft
Tue, Nov 17	L 1:38 AM · 1.7 ft H 8:40 AM · 6.9 ft L 2:26 PM · 4.8 ft H 7:42 PM · 6.6 ft
Wed, Nov 18	L 2:35 AM · 2.0 ft H 9:26 AM · 7.4 ft L 3:40 PM · 4.0 ft H 9:07 PM · 6.4 ft
Thu, Nov 19	L 3:27 AM · 2.3 ft H 10:06 AM · 8.0 ft L 4:39 PM · 2.9 ft H 10:21 PM · 6.6 ft

About this station

Castle Bay, Northwest Arm 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 8.5 ft; the average swing is 4.2 ft.

Station facts

Station ID: 9458907
Source: NOAA CO-OPS
Type: Reference station
Coordinates: 56.2317, -158.3470
Datum: MLLW (mean lower low water)
Tide type: Mixed, mostly semidiurnal
Time zone: America/Anchorage

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