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 46404 (LLNR 765.4) - WEST ASTORIA - 230 NM West of Astoria, OR

Owned and maintained by National Data Buoy Center
2.6-meter discus buoy
DART II payload
45.870 N 128.756 W (45°52'11" N 128°45'20" W)

Site elevation: sea level
Water depth: 2774 m
Watch circle radius: 1904 yards

Important Notice to Mariners

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station 46404

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 46404

Plot of Water Column Height Data for Station 46404

Data Access

Water Column Heights:
04/21/2025 00:00:00 to 04/25/2025 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