Tide station · Alaska

Constantine Harbor, Amchitka Island tides

Times are local (America/Adak, GMT-10). Predicted tides, not live water levels. Not for navigation.

Right now

Falling

Next low 12:50 AM, -0.4 ft (-0.11 m), in 1 h 02 min.

Today · Thu, Nov 12

  • Low12:11 AM-0.4 ft -0.12 m
  • High12:10 PM3.3 ft 1.01 m

Next 7 days

-101234Thu, Nov 12Fri, Nov 13Sat, Nov 14Sun, Nov 15Mon, Nov 16Tue, Nov 17Wed, Nov 18
Feet · orange dots are highs, black dots are lows
High and low tides for the next seven days
DayTides (local time, height)
Thu, Nov 12
  • L 12:11 AM · -0.4 ft
  • H 12:10 PM · 3.3 ft
Fri, Nov 13
  • L 12:50 AM · -0.4 ft
  • H 12:31 PM · 3.3 ft
Sat, Nov 14
  • L 1:29 AM · -0.3 ft
  • H 12:53 PM · 3.2 ft
Sun, Nov 15
  • L 2:06 AM · -0.2 ft
  • H 1:11 PM · 3.0 ft
Mon, Nov 16
  • L 2:41 AM · -0.1 ft
  • H 1:23 PM · 2.9 ft
Tue, Nov 17
  • L 3:11 AM · 0.2 ft
  • H 1:23 PM · 2.7 ft
Wed, Nov 18
  • L 3:36 AM · 0.5 ft
  • H 1:14 PM · 2.6 ft
  • L 7:12 PM · 1.7 ft
  • H 9:19 PM · 1.7 ft

About this station

Constantine Harbor, Amchitka Island is a NOAA subordinate station in Alaska: its highs and lows are offsets from Sweeper Cove, Kuluk Bay, Adak Island. Heights are feet above mean lower low water (MLLW).

Tide type: Mixed, mostly diurnal: some days bring one big high and one deep low, others a small second tide.

This week the biggest swing between high and low is 3.7 ft; the average swing is 2.8 ft.

Station facts

Station ID
TWC2303
Source
NOAA CO-OPS
Type
Subordinate station
Coordinates
51.4167, 179.2833
Datum
MLLW (mean lower low water)
Tide type
Mixed, mostly diurnal
Time zone
America/Adak

Nearby tide stations

Nearby wave buoys

Tide predictions from NOAA CO-OPS (tidesandcurrents.noaa.gov).

Licence: U.S. public domain (NOAA). Predictions are astronomical tides only: wind, swell and pressure move real water. Not for navigation.