Tide station · Alaska

Alcan Harbor, Shemya Island tides

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

Right now

Falling

Next low 1:15 AM, -0.5 ft (-0.15 m), in 34 min.

Today · Fri, Nov 13

  • Low1:15 AM-0.5 ft -0.15 m
  • High11:26 AM3.8 ft 1.17 m

Next 7 days

-101234Fri, Nov 13Sat, Nov 14Sun, Nov 15Mon, Nov 16Tue, Nov 17Wed, Nov 18Thu, Nov 19
Feet · orange dots are highs, black dots are lows
High and low tides for the next seven days
DayTides (local time, height)
Fri, Nov 13
  • L 1:15 AM · -0.5 ft
  • H 11:26 AM · 3.8 ft
Sat, Nov 14
  • L 1:51 AM · -0.3 ft
  • H 12:00 PM · 3.8 ft
Sun, Nov 15
  • L 2:27 AM · -0.1 ft
  • H 12:26 PM · 3.7 ft
Mon, Nov 16
  • L 3:01 AM · 0.1 ft
  • H 12:43 PM · 3.6 ft
Tue, Nov 17
  • L 3:34 AM · 0.5 ft
  • H 12:53 PM · 3.5 ft
  • L 6:29 PM · 2.6 ft
  • H 9:11 PM · 2.6 ft
Wed, Nov 18
  • L 4:05 AM · 0.9 ft
  • H 12:59 PM · 3.5 ft
  • L 6:54 PM · 2.1 ft
  • H 11:33 PM · 2.3 ft
Thu, Nov 19
  • L 4:33 AM · 1.5 ft
  • H 1:03 PM · 3.5 ft
  • L 7:25 PM · 1.5 ft

About this station

Alcan Harbor, Shemya Island is a NOAA subordinate station in Alaska: its highs and lows are offsets from Massacre Bay. 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 4.3 ft; the average swing is 2.5 ft.

Station facts

Station ID
TWC2309
Source
NOAA CO-OPS
Type
Subordinate station
Reference station
Massacre Bay
Coordinates
52.7167, 174.0667
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.