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Station 44401 - NORTHEAST CASTLE ROCK SEAMOUNT - 620NM South of St John's Newfoundland, CN

Owned and maintained by National Data Buoy Center
2.6-meter discus buoy
DART II payload
37.592 N 50.030 W (37°35'30" N 50°1'48" W)

Site elevation: sea level
Water depth: 5494 m

Station 44401 has stopped transmitting tsunami data 4/22/2016. Station has been declared inoperative.

Hull 2.6D73 went adrift on 12/31/2016. It will be restored into service when it can be recovered and then worked into the Weekly Maintenance Report.

Click here to see the latest positions.

Previously deployed hull 2.6D43 from 44401 went adrift from its mooring on 02/11/2016 and is no longer providing water column data. It has been renamed 44D01 and its latest positions can be found here.

Important Notice to Mariners

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station 44401

DART Program Description

U.S. Tsunami Warning Centers

Station 44401
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)

Plot of Water Column Height Data for Station 44401

Data Access


Select start date:

Select end date:

Water Column Heights:
02/15/2018 00:00:00 to 02/19/2018 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

Description of Measurements

Links which are specific to this station are listed below:

Real Time Data in tabular form for the last forty-five days.

Historical Data & Climatic Summaries for quality controlled data for the current month, previous months, and previous years.

The weekly maintenance report also provides valuable station information.

Note that the payload types and the station locations occasionally change.
Please refer to the NDBC data inventory for the data history of each station.