Station List

NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.

Station 21413 - SOUTHEAST TOKYO - 700NM ESE of Tokyo, JP

Owned and maintained by National Data Buoy Center
2.6-meter discus buoy
DART II payload
30.492 N 152.085 E (30°29'31" N 152°5'6" E)

Site elevation: sea level
Water depth: 5867 m

Buoy adrift 11/22/24.

Important Notice to Mariners

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station 21413

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 21413

Plot of Water Column Height Data for Station 21413

Data Access

Water Column Heights:
04/22/2025 00:00:00 to 04/26/2025 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