Station List

Hurricane Symbol View the latest observations near Atlantic Tropical Storm Ophelia.

Station 21418 - NORTHEAST TOKYO - 450 NM NE of Tokyo, JP

Owned and maintained by National Data Buoy Center
2.6-meter discus buoy
DART II payload
38.716 N 148.847 E (38°42'56" N 148°50'50" E)

Site elevation: sea level
Water depth: 5672 m
Watch circle radius: 5280 yards

Important Notice to Mariners

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station 21418

DART® Program Description

U.S. Tsunami Warning Centers

Large icon indicates selected station.
yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
(24 hours for tsunami stations)
Station 21418

Plot of Water Column Height Data for Station 21418

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Water Column Heights:
09/19/2023 00:00:00 to 09/23/2023 23:59:59

The data are recorded in pounds per square inch absolute (PSIA), but are displayed in meters of water after applying a constant 670.0 mm of water/PSIA conversion factor.

T = Measurement Type;
     where 1 = 15-minute measurement; 2 = 1-minute measurement; 3 = 15-second measurement