Tide station · U.S. Minor Outlying Islands

Johnston Atoll tides

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

Right now

Falling

Next low 1:02 AM, 0.4 ft (0.13 m), in 1 h 15 min.

Today · Thu, Nov 12

  • Low12:29 AM0.3 ft 0.09 m
  • High6:56 AM2.4 ft 0.74 m
  • Low1:31 PM0.2 ft 0.05 m
  • High7:29 PM1.7 ft 0.51 m

Next 7 days

0123Thu, 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 12:29 AM · 0.3 ft
  • H 6:56 AM · 2.4 ft
  • L 1:31 PM · 0.2 ft
  • H 7:29 PM · 1.7 ft
Fri, Nov 13
  • L 1:02 AM · 0.4 ft
  • H 7:32 AM · 2.3 ft
  • L 2:09 PM · 0.3 ft
  • H 8:10 PM · 1.6 ft
Sat, Nov 14
  • L 1:39 AM · 0.5 ft
  • H 8:13 AM · 2.1 ft
  • L 2:53 PM · 0.4 ft
  • H 9:01 PM · 1.5 ft
Sun, Nov 15
  • L 2:23 AM · 0.7 ft
  • H 9:01 AM · 2.0 ft
  • L 3:48 PM · 0.5 ft
  • H 10:07 PM · 1.5 ft
Mon, Nov 16
  • L 3:25 AM · 0.8 ft
  • H 10:02 AM · 1.9 ft
  • L 4:55 PM · 0.6 ft
  • H 11:26 PM · 1.6 ft
Tue, Nov 17
  • L 5:00 AM · 0.9 ft
  • H 11:14 AM · 1.8 ft
  • L 6:04 PM · 0.5 ft
Wed, Nov 18
  • H 12:39 AM · 1.8 ft
  • L 6:41 AM · 0.9 ft
  • H 12:28 PM · 1.8 ft
  • L 7:03 PM · 0.4 ft

About this station

Johnston Atoll is a NOAA reference station in the U.S. Minor Outlying Islands, 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 2.3 ft; the average swing is 1.3 ft.

Station facts

Station ID
1619000
Source
NOAA CO-OPS
Type
Reference station
Coordinates
16.7383, -169.5300
Datum
MLLW (mean lower low water)
Tide type
Mixed, mostly semidiurnal
Time zone
Pacific/Honolulu

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.