Tide station · Alaska

Johnstone Point tides

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

Right now

Rising

Next high 3:39 AM, 9.7 ft (2.96 m), in 4 h 31 min.

Today · Thu, Nov 12

  • High3:01 AM10.2 ft 3.12 m
  • Low8:29 AM4.6 ft 1.42 m
  • High2:06 PM12.5 ft 3.79 m
  • Low9:13 PM-0.0 ft -0.01 m

Next 7 days

-1135791113Thu, 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 3:01 AM · 10.2 ft
  • L 8:29 AM · 4.6 ft
  • H 2:06 PM · 12.5 ft
  • L 9:13 PM · -0.0 ft
Fri, Nov 13
  • H 3:39 AM · 9.7 ft
  • L 9:08 AM · 5.1 ft
  • H 2:39 PM · 11.8 ft
  • L 9:53 PM · 0.6 ft
Sat, Nov 14
  • H 4:24 AM · 9.2 ft
  • L 9:51 AM · 5.6 ft
  • H 3:15 PM · 11.0 ft
  • L 10:37 PM · 1.3 ft
Sun, Nov 15
  • H 5:21 AM · 8.8 ft
  • L 10:41 AM · 5.9 ft
  • H 3:58 PM · 10.1 ft
  • L 11:25 PM · 1.9 ft
Mon, Nov 16
  • H 6:28 AM · 8.7 ft
  • L 11:40 AM · 6.0 ft
  • H 5:03 PM · 9.2 ft
Tue, Nov 17
  • L 12:16 AM · 2.4 ft
  • H 7:28 AM · 9.1 ft
  • L 12:49 PM · 5.8 ft
  • H 6:41 PM · 8.6 ft
Wed, Nov 18
  • L 1:12 AM · 2.8 ft
  • H 8:17 AM · 9.7 ft
  • L 2:04 PM · 5.1 ft
  • H 8:04 PM · 8.6 ft

About this station

Johnstone Point is a NOAA subordinate station in Alaska: its highs and lows are offsets from Cordova. 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 12.5 ft; the average swing is 6.2 ft.

Station facts

Station ID
9454319
Source
NOAA CO-OPS
Type
Subordinate station
Reference station
Cordova
Coordinates
60.4817, -146.6100
Datum
MLLW (mean lower low water)
Tide type
Mixed, mostly semidiurnal
Time zone
America/Anchorage

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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.