Tide station · Alaska

Herbert Island, west side tides

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

Right now

Rising

Next high 8:02 AM, 4.8 ft (1.45 m), in 8 h 41 min.

Today · Thu, Nov 12

  • High7:34 AM4.8 ft 1.45 m
  • Low10:59 PM0.0 ft 0.00 m

Next 7 days

012345Thu, 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
  • H 7:34 AM · 4.8 ft
  • L 10:59 PM · 0.0 ft
Fri, Nov 13
  • H 8:02 AM · 4.8 ft
  • L 11:43 PM · 0.1 ft
Sat, Nov 14
  • H 8:28 AM · 4.7 ft
Sun, Nov 15
  • L 12:24 AM · 0.2 ft
  • H 8:52 AM · 4.6 ft
Mon, Nov 16
  • L 1:00 AM · 0.3 ft
  • H 9:14 AM · 4.4 ft
  • L 3:37 PM · 2.4 ft
  • H 5:57 PM · 3.0 ft
Tue, Nov 17
  • L 1:33 AM · 0.5 ft
  • H 9:30 AM · 4.2 ft
  • L 3:48 PM · 2.1 ft
  • H 7:18 PM · 2.8 ft
Wed, Nov 18
  • L 2:01 AM · 0.8 ft
  • H 9:39 AM · 4.1 ft
  • L 4:05 PM · 1.6 ft
  • H 8:46 PM · 2.6 ft

About this station

Herbert Island, west side is a NOAA subordinate station in Alaska: its highs and lows are offsets from Unalaska. 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 4.8 ft; the average swing is 3.1 ft.

Station facts

Station ID
TWC2223
Source
NOAA CO-OPS
Type
Subordinate station
Reference station
Unalaska
Coordinates
52.7167, -170.1500
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.