Remote islands · Tide area
Johnston Atoll
The NOAA tide station at Johnston Atoll.
- Tide stations
- 1
- Main station
- Johnston Atoll
- Tides
- Two highs, two lows, uneven
On the water
From NOAA's predictions for Johnston Atoll over the next 365 days. Heights are in feet above mean lower low water (MLLW).
- Pattern
- Two highs and two lows a day, one noticeably bigger than the other
- Typical daily range
- 2.2 ft
- Biggest swing
- 3.3 ft on Nov 24
- Smallest swing
- 0.4 ft on Mar 1
- Highest high
- 3.0 ft, Oct 26 at 5:31 AM
- Lowest low
- −0.6 ft, Feb 21 at 12:21 PM