Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NDBC Title GraphicClick to go to NDBC home page   Select to go to the NWS homepage
Home News Organization
 
 
    
    Station List

 Observations
    Mobile Access
    Obs via Google Maps
    Classic Maps
         Recent
         Historical
         DART®
         Oil & Gas ADCP
    Obs Search
    Ship Obs Report
    Gliders
    APEX
    TAO
    DODS
    HF Radar
    OSMC
    Dial-A-Buoy
    RSS Feeds Image indicating link to RSS feed access page
    Obs Web Widget
    Email Access

 Station Status
    NDBC Maintenance
    NDBC Platforms
    Partner Platforms

 Program Info
    Facebook Logo
    NDBC on Facebook
    About NDBC
     Met/Ocean
          Moored Buoy
          C-MAN
    TAO
    DART®
    VOS
    CSP
    IOOS® Program
    IOOS® DAC

 Publications
    NDBC DQC Handbook
    Hurricane Data Plots
    Mariners Weather
      Log
    Observing
      Handbook No. 1

 Science Education

 NDBC Director
 FAQ
 Media Inquiries
 Contact Us
 Visitor Information
 Links
 
USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.

See recent photos from the following TAO stations: 2N 95W, 0 95W, 2S 95W, 8N 110W, 5N 110W, 2N 110W, 0 110W

Station 44042 - Potomac, MD Image indicating link to RSS feed of recent meteorological observations for station 44042

Station 44042

Owned and maintained by Chesapeake Bay Interpretive Buoy System
Moored Buoy
38.033 N 76.336 W (38°1'59" N 76°20'8" W)

Site elevation: sea level
Anemometer height: 3 m above site elevation
Sea temp depth: 0.65 m below site elevation

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station 44042

Conditions at 44042 as of
(3:50 am EDT)
0750 GMT on 05/21/2013:
Unit of Measure:    Time Zone:   

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
5-day plot - Wind Direction Wind Direction (WDIR): SW ( 220 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 7.8 kts
5-day plot - Wind Gust Wind Gust (GST): 9.7 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES): 29.96 in
5-day plot - Air Temperature Air Temperature (ATMP): 67.3 °F
5-day plot - Salinity Salinity (SAL): 11.35 psu
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 7.8 kts
5-day plot - Wind Speed at 10 Meters Wind Speed at 20 meters (WSPD20M): 9.7 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
5-day plot - Wind Direction 5-day plot - Wind Speed 5-day plot - Wind Gust 5-day plot - Wave Height 5-day plot - Dominant Wave Period 5-day plot - Average Period 5-day plot - Mean Wave Direction 5-day plot - Atmospheric Pressure 5-day plot - Pressure Tendency 5-day plot - Air Temperature 5-day plot - Water Temperature 5-day plot - Dew Point 5-day plot - Salinity 5-day plot - Visibility 5-day plot - Tide (above MLLW)
MM DD TIME
(EDT)		   WDIR WSPD
kts		 GST
kts		 WVHT
ft		 DPD
sec		 APD
sec		 MWD PRES
in		 PTDY
in		 ATMP
°F		 WTMP
°F		 DEWP
°F		 SAL
psu		 VIS
nmi		 TIDE
ft
0521 3:40 am  SSW 7.8 9.7----29.96- 67.1-----
0521 3:30 am  SSW 7.8 9.7----29.96- 67.1 68.0----
0521 3:20 am  SSW 7.8 7.8----29.96- 67.1-----
0521 3:10 am  SSW 7.8 7.8----29.96- 67.1-- 11.93--
0521 3:00 am  SSW 5.8 7.8 0.7---29.96-0.02 66.9 67.6- 11.93--
0521 2:50 am  SSW 5.8 7.8----29.96- 66.9-- 11.93--
0521 2:40 am  SSW 5.8 7.8----29.96- 67.1-----
0521 2:30 am  SSW 7.8 9.7----29.97- 67.3 67.6----
0521 2:20 am  SSW 7.8 7.8----29.97- 67.3-----
0521 2:10 am   SW 5.8 7.8----29.97- 67.5-- 11.99--
0521 2:00 am   SW 5.8 5.8 0.7---29.97- 67.5 67.3- 11.99--
0521 1:50 am   SW 5.8 7.8----29.98- 67.5-- 11.99--
0521 1:40 am  SSW 5.8 7.8----29.98- 67.6-----
0521 1:30 am   SW 5.8 7.8----29.98- 67.8 68.0----
0521 1:20 am   SW 5.8 7.8----29.98- 67.8-----
0521 1:10 am  WSW 5.8 7.8----29.98- 68.0-- 11.84--
0521 1:00 am  WSW 5.8 7.8 1.0 2--29.99+0.01 68.0 68.0- 11.84--
052112:50 am  WSW 5.8 7.8----29.99- 68.0-- 11.84--
052112:30 am   SW 5.8 7.8----29.98- 68.2 68.2----
052112:20 am   SW 5.8 7.8----29.98- 68.4-----
052112:10 am   SW 7.8 9.7----29.98- 68.5-- 11.80--
052112:00 am   SW 9.7 11.7 1.3 2--29.98+0.00 68.7 68.4- 11.80--
052011:50 pm  SSW 9.7 11.7----29.98- 68.7-- 11.80--
052011:30 pm  SSW 9.7 13.6----29.98- 68.9 68.4----
052011:20 pm  SSW 9.7 11.7----29.98- 69.1-----
052011:10 pm  SSW 9.7 11.7----29.98- 69.1-----
052010:50 pm  SSW 9.7 11.7----29.98- 69.4-----
052010:40 pm  SSW 9.7 11.7----29.98- 69.6-----
052010:30 pm  SSW 7.8 9.7----29.98- 69.8 68.9----
052010:20 pm   S 9.7 11.7----29.98- 70.0-----
052010:10 pm   S 7.8 9.7----29.98- 70.0-- 11.65--
052010:00 pm   S 7.8 9.7 1.0 2--29.98+0.00 70.0 68.9- 11.65--
0520 9:50 pm   S 7.8 7.8----29.98- 70.0-- 11.65--
0520 9:40 pm   S 7.8 9.7----29.98- 70.2-----
0520 9:30 pm   S 7.8 7.8----29.98- 70.2 68.7----
0520 9:20 pm   S 7.8 7.8----29.98- 70.2-----
0520 9:10 pm   S 7.8 9.7----29.98- 70.0-- 11.94--
0520 9:00 pm   S 5.8 7.8 1.0 2--29.98+0.01 70.0 68.0- 11.94--
0520 8:50 pm   S 5.8 7.8----29.98- 70.2-- 11.94--
0520 8:40 pm   S 5.8 9.7----29.98- 70.2-----
0520 8:30 pm   S 7.8 7.8----29.98- 69.8 68.0----
0520 8:20 pm  SSE 7.8 9.7----29.98- 69.4-----
0520 8:10 pm  SSE 7.8 9.7----29.98- 69.4-- 11.68--
0520 8:00 pm  SSE 9.7 9.7 1.0 2--29.98+0.00 69.8 68.5- 11.68--
0520 7:50 pm  SSE 7.8 9.7----29.98- 70.0-- 11.68--
0520 7:40 pm  SSE 9.7 9.7----29.98- 70.0-----
0520 7:30 pm  SSE 7.8 9.7----29.98- 69.4 68.7----
0520 7:10 pm  SSE 7.8 9.7----29.98- 69.8-- 11.35--
0520 7:00 pm  SSE 7.8 9.7 1.0 2--29.98-0.02 70.5 68.7- 11.35--
0520 6:50 pm   SE 5.8 9.7----29.97- 72.5-- 11.35--
0520 6:40 pm  SSW 3.9 7.8----29.97- 73.6-----
0520 6:30 pm   S 5.8 5.8----29.97- 73.0 69.3----
0520 6:20 pm   S 5.8 7.8----29.96- 72.7-----
0520 6:10 pm   S 5.8 7.8----29.97- 72.7-- 11.11--
0520 6:00 pm   S 7.8 9.7 1.3 2--29.97-0.04 73.4 68.7- 11.11--
0520 5:50 pm   S 9.7 11.7----29.97- 73.4-- 11.11--
0520 5:40 pm   S 7.8 9.7----29.97- 73.2-----
0520 5:30 pm   S 9.7 9.7----29.98- 72.9 68.7----
0520 5:20 pm   S 9.7 11.7----29.98- 72.7-----
0520 5:10 pm  SSE 7.8 9.7----29.98- 71.1-- 11.10--
0520 5:00 pm  ESE 7.8 7.8 1.0 2--29.99-0.04 69.4 68.7- 11.10--
0520 4:50 pm  ESE 7.8 7.8----29.99- 70.2-- 11.10--
0520 4:40 pm   SE 5.8 7.8----29.99- 70.7-----
0520 4:30 pm   S 5.8 7.8----29.99- 70.2 68.7----
0520 4:20 pm  SSE 5.8 7.8----29.99- 70.5-----
0520 4:10 pm  SSE 5.8 7.8----29.99- 70.9-- 11.23--
0520 4:00 pm  SSE 7.8 9.7 1.3 3--29.99-0.04 71.1 68.7- 11.23--
0520 3:50 pm  SSE 9.7 11.7----29.99- 70.7-- 11.23--
0520 3:40 pm   SE 11.7 13.6----29.99- 69.4-----
0520 3:30 pm   SE 11.7 15.5----29.99- 69.4 68.7----
0520 3:20 pm   SE 11.7 13.6----30.00- 69.3-----
0520 3:10 pm   SE 11.7 13.6----30.00- 69.3-- 11.43--
0520 3:00 pm   SE 11.7 13.6 1.0 3--30.00-0.06 69.1 68.4- 11.43--
0520 2:50 pm   SE 11.7 13.6----30.01- 68.7-- 11.43--
0520 2:40 pm   SE 11.7 13.6----30.01- 69.1-----
0520 2:30 pm   SE 7.8 11.7----30.01- 69.6 68.4----
0520 2:20 pm   SE 5.8 9.7----30.01- 69.6-----
0520 2:10 pm   SE 7.8 7.8----30.02- 69.3-- 11.39--
0520 2:00 pm   SE 5.8 7.8 0.7---30.02-0.05 69.1 68.9- 11.39--
0520 1:50 pm   SE 5.8 7.8----30.02- 69.6-- 11.39--
0520 1:40 pm   SE 5.8 9.7----30.02- 71.6-----
0520 1:30 pm   S 1.9 3.9----30.03- 71.8 68.5----
0520 1:20 pm   S 3.9 3.9----30.03- 71.4-----
0520 1:10 pm   S 3.9 5.8----30.03- 71.2-- 11.26--
0520 1:00 pm   S 5.8 5.8 0.7---30.03-0.04 70.9 68.5- 11.26--
052012:50 pm  SSW 5.8 7.8----30.04- 70.3-- 11.26--
052012:40 pm  SSW 5.8 5.8----30.05- 70.3-----
052012:30 pm   SW 3.9 5.8----30.05- 70.5 67.6----
052012:20 pm  SSW 3.9 3.9----30.05- 70.3-----
052012:00 pm  SSW 5.8 5.8 0.7---30.06-0.02 69.8 67.3- 11.48--
052011:50 am   SW 5.8 5.8----30.06- 69.8-- 11.48--
052011:40 am  SSW 5.8 5.8----30.07- 69.4-----
052011:30 am  SSW 3.9 5.8----30.07- 69.1 67.3----
052011:20 am  SSW 3.9 5.8----30.07- 69.3-----
052011:00 am  SSW 3.9 5.8 1.0 2--30.07+0.00 68.9 66.7- 11.56--
052010:50 am  SSW 3.9 5.8----30.07- 68.7-- 11.56--
052010:40 am   SW 3.9 5.8----30.07- 68.5-----
052010:30 am   SW 5.8 7.8----30.07- 68.7 66.6----
052010:20 am   SW 3.9 5.8----30.07- 68.4-----
052010:10 am   SW 5.8 7.8----30.07- 68.2-- 11.51--
052010:00 am  SSW 5.8 7.8 0.7---30.07+0.01 67.8 66.6- 11.51--
0520 9:50 am   SW 5.8 7.8----30.07- 67.8-- 11.51--
0520 9:40 am  SSW 5.8 7.8----30.07- 67.8-----
0520 9:30 am  SSW 5.8 7.8----30.08- 67.6 66.4----
0520 9:20 am  SSW 5.8 7.8----30.08- 67.5-----
0520 9:10 am   SW 7.8 7.8----30.08- 67.3-- 11.28--
0520 9:00 am   SW 5.8 7.8 0.3---30.08+0.03 66.9 66.6- 11.28--
0520 8:50 am  SSW 5.8 5.8----30.08- 66.6-- 11.28--
0520 8:30 am  SSW 3.9 5.8----30.07- 66.2 66.6----
0520 8:20 am   S 3.9 5.8----30.07- 66.2-----
0520 8:10 am   S 5.8 5.8----30.08- 66.2-- 11.26--
0520 8:00 am   S 3.9 5.8 0.7---30.08+0.03 66.2 66.4- 11.26--
0520 7:50 am   S 5.8 5.8----30.07- 66.2-- 11.26--
0520 7:30 am   S 5.8 5.8----30.07- 65.8 66.4----
0520 7:20 am  SSE 5.8 5.8----30.07- 65.7-----
0520 7:10 am  SSE 5.8 5.8----30.06- 65.7-- 11.24--
0520 7:00 am  SSE 3.9 5.8 0.7---30.06+0.01 65.7 66.4- 11.24--
0520 6:50 am  SSE 5.8 5.8----30.06- 65.5-- 11.24--
0520 6:40 am   SE 5.8 5.8----30.06- 65.5-----
0520 6:30 am   SE 5.8 5.8----30.06- 65.5 66.4----
0520 6:20 am  SSE 3.9 5.8----30.06- 65.5-----
0520 6:10 am  SSE 3.9 3.9----30.06- 65.5-- 11.24--
0520 6:00 am   S 3.9 3.9 0.7---30.05+0.00 65.5 66.4- 11.24--
0520 5:50 am   S 3.9 3.9----30.05- 65.5-- 11.24--
0520 5:40 am   S 3.9 5.8----30.05- 65.5-----
0520 5:30 am   S 3.9 5.8----30.05- 65.5 66.4----
0520 5:20 am   S 5.8 5.8----30.05- 65.5-----
0520 5:10 am   S 5.8 7.8----30.05- 65.5-- 11.19--
0520 5:00 am   S 5.8 7.8 1.0 2--30.04-0.02 65.5 66.7- 11.19--
0520 4:50 am   S 5.8 7.8----30.04- 65.5-- 11.19--
0520 4:40 am   S 5.8 7.8----30.04- 65.5-----
0520 4:30 am   S 5.8 7.8----30.05- 65.5 66.4----
0520 4:20 am   S 7.8 9.7----30.05- 65.5-----
0520 4:10 am   S 7.8 7.8----30.05- 65.7-- 11.13--
0520 4:00 am   S 7.8 7.8 0.7---30.05-0.03 65.7 66.4- 11.13--
0520 3:50 am   S 7.8 9.7----30.05- 65.8-- 11.13--
Ocean Conditions at 44042 as of
(4:00 am EDT)
0800 GMT on 05/21/2013:

These oceanographic data are displayed in rounded times.

Unit of Measure:    Time Zone:   

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

 Depth (DEPTH): 3.3 ft
5-day plot - Ocean TemperatureOcean Temperature (OTMP):68.16 °F
5-day plot - SalinitySalinity (SAL):11.35 psu
5-day plot - Oxygen Concentration (O2PPM)Oxygen Concentration (O2PPM): 8.13 ppm
5-day plot - ChlorophyllChlorophyll (CLCON): 2.70 ug/l
5-day plot - TurbidityTurbidity (TURB): 1 FTU
Previous observations
5-day plot - Ocean Temperature 5-day plot - Conductivity 5-day plot - Salinity 5-day plot - Oxygen Concentration (O2PCT) 5-day plot - Oxygen Concentration (O2PPM) 5-day plot - Chlorophyll 5-day plot - Turbidity 5-day plot - pH 5-day plot - Eh
MM   DD    TIME
(EDT)		 DEPTH
ft		        OTMP
°F		    COND
mS/cm		   SAL
psu		   O2%
%		    O2PPM
ppm		 CLCON
ug/l		 TURB
FTU		 PH EH
mv
05213:00 am 3.367.62-11.93- 8.13 3.23 1--
05212:00 am 3.367.32-11.99- 8.39 3.49 1--
05211:00 am 3.367.95-11.84- 8.24 3.29 1--
052112:00 am 3.368.40-11.80- 8.28 3.43 1--
052010:00 pm 3.368.97-11.65- 8.24 3.59 1--
05209:00 pm 3.368.05-11.94- 8.74 4.41 1--
05208:00 pm 3.368.52-11.68- 8.56 4.60 1--
05207:00 pm 3.368.76-11.35- 8.31 3.91 1--
05206:00 pm 3.368.63-11.11- 8.14 2.83 1--
05205:00 pm 3.368.63-11.10- 8.12 2.81 1--
05204:00 pm 3.368.63-11.23- 8.10 3.11 1--
05203:00 pm 3.368.38-11.43- 8.05 1.82 1--
05202:00 pm 3.368.92-11.39- 7.75 1.65 1--
05201:00 pm 3.368.49-11.26- 7.98 1.28 1--
052012:00 pm 3.367.30-11.48- 7.88 1.70 1--
052011:00 am 3.366.78-11.56- 8.00 1.84 1--
052010:00 am 3.366.56-11.51- 7.94 2.60 1--
05209:00 am 3.366.47-11.28- 7.53 3.24 1--
05208:00 am 3.366.42-11.26- 7.71 2.78 1--
05207:00 am 3.366.29-11.24- 7.90 2.92 1--
05206:00 am 3.366.38-11.24- 7.91 3.13 1--
05205:00 am 3.366.65-11.19- 7.87 2.91 1--
05204:00 am 3.366.34-11.13- 8.14 2.69 1--

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.