CO-OPS station 8447930: WOODS HOLE, BUZZARDS BAY
Showing: 2025
Cite as: Center for Operational Oceanographic Products and Services (CO-OPS) (2007): CO-OPS 1-minute Tsunami Water Level Data. NOAA National Centers for Environmental Information. doi:10.7289/V59884XF. Accessed [date].
Quality-Controlled and De-Tided
Coastal Water Level Data (2008-01-01 to 2025-04-15)
Unassessed ("Preliminary")
Coastal Water Level Data (2025)
Comments
None
Datums (Epoch: 1983-2001)
| Datum | Description | Value [meters] |
|---|---|---|
| STND | Station Datum | 0.0 |
| MHHW | Mean Higher-High Water | 1.469 |
| MHW | Mean High Water | 1.385 |
| DTL | Mean Diurnal Tide Level | 1.133 |
| MTL | Mean Tide Level | 1.112 |
| MSL | Mean Sea Level | 1.096 |
| MLW | Mean Low Water | 0.839 |
| MLLW | Mean Lower-Low Water | 0.797 |
| GT | Great Diurnal Range | 0.672 |
| MN | Mean Range of Tide | 0.546 |
| DHQ | Mean Diurnal High Water Inequality | 0.084 |
| DLQ | Mean Diurnal Low Water Inequality | 0.043 |
| HWI | Greenwich High Water Interval (in hours) | 0.675 |
| LWI | Greenwich Low Water Interval (in hours) | 7.866 |
| NAVD88 | North American Vertical Datum of 1988 | 1.212 |
Station History
| Date | Notes |
|---|---|
| 1932-07-16 | NOAA NOS CO-OPS establishment of Station 8447930 in support of the NWLON |
| 2007-09-05 | Station 8447930 Sensor and DCP updated to receive 1 minute water level data |
Sensor History
| Date | Type | Make | Model | Serial No. |
|---|---|---|---|---|
| 2008-01-06 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 1860-3956 |
| 2009-01-17 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 2070-4340 |
| 2009-08-22 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 1101-3376 |
| 2011-10-22 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 1920-3522 |
| 2012-10-06 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 1206-3440 |
| 2013-08-11 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 1542-37769 |
| 2015-10-30 | Acoustic Sensor | Aquatrak | NG-3000 Water Level Sensor | 2363-AQ0233 |
Our approach to data processing is described in this article.
Top plot: Dates and times of full and new moons acquired from the Astronomical Applications Department of the U.S. Naval Observatory.
Top plot: Dates and times of full and new moons acquired from the Astronomical Applications Department of the U.S. Naval Observatory.

