Tide station · Alaska

Gravina River tides

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

Right now

Rising

Next high 3:35 AM, 9.9 ft (3.01 m), in 3 h 01 min.

Today · Fri, Nov 13

High3:35 AM9.9 ft 3.01 m
Low8:55 AM5.0 ft 1.52 m
High2:39 PM12.1 ft 3.69 m
Low9:47 PM0.7 ft 0.22 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 3:35 AM · 9.9 ft L 8:55 AM · 5.0 ft H 2:39 PM · 12.1 ft L 9:47 PM · 0.7 ft
Sat, Nov 14	H 4:18 AM · 9.4 ft L 9:37 AM · 5.5 ft H 3:12 PM · 11.3 ft L 10:31 PM · 1.3 ft
Sun, Nov 15	H 5:14 AM · 8.9 ft L 10:28 AM · 5.8 ft H 3:53 PM · 10.5 ft L 11:20 PM · 1.9 ft
Mon, Nov 16	H 6:21 AM · 8.8 ft L 11:32 AM · 6.0 ft H 4:51 PM · 9.6 ft
Tue, Nov 17	L 12:14 AM · 2.4 ft H 7:25 AM · 9.1 ft L 12:48 PM · 5.7 ft H 6:19 PM · 8.9 ft
Wed, Nov 18	L 1:12 AM · 2.8 ft H 8:16 AM · 9.7 ft L 2:07 PM · 5.0 ft H 7:54 PM · 8.7 ft
Thu, Nov 19	L 2:12 AM · 3.0 ft H 8:58 AM · 10.4 ft L 3:13 PM · 3.7 ft H 9:12 PM · 9.1 ft

About this station

Gravina River 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 11.4 ft; the average swing is 6.0 ft.

Station facts

Station ID: 9454153
Source: NOAA CO-OPS
Type: Reference station
Coordinates: 60.7667, -146.0846
Datum: MLLW (mean lower low water)
Tide type: Mixed, mostly semidiurnal
Time zone: America/Anchorage

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