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
    Interactive Map
    Classic Maps
         Recent
         Historical
         DART®
         Oil & Gas ADCP
    Obs Search
    Ship Obs Report
    Gliders
    BuoyCAMs Image indicating link to BuoyCAMs page
    TAO
    DODS
    OceanSITES
    HF Radar
    OSMC
    Dial-A-Buoy
    RSS Feeds Image indicating link to RSS feed access page
    Obs Web Widget
    Email Access
    Web Data Guide

 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

 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.

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

Station 44042
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)

Owned and maintained by Chesapeake Bay Interpretive Buoy System
Moored Buoy
38.033 N 76.335 W (38°1'59" N 76°20'8" W)

Site elevation: sea level
Air temp height: 3 m above site elevation
Anemometer height: 3 m above site elevation
Barometer elevation: 1 m above mean sea level
Sea temp depth: 0.5 m below water line

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
2200 GMT on 07/24/2016:
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): SSE ( 160 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 4.0 m/s
5-day plot - Wind Gust Wind Gust (GST): 4.0 m/s
5-day plot - Wave Height Wave Height (WVHT): 0.2 m
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES): 1013.3 mb
5-day plot - Pressure Tendency Pressure Tendency (PTDY): -0.9 mb ( Falling )
5-day plot - Air Temperature Air Temperature (ATMP): 31.4 °C
5-day plot - Water Temperature Water Temperature (WTMP): 30.1 °C
5-day plot - Salinity Salinity (SAL): 15.90 psu
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 4 m/s
5-day plot - Wind Speed at 10 Meters Wind Speed at 20 meters (WSPD20M): 5 m/s
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
(GMT)
   WDIR WSPD
m/s
GST
m/s
WVHT
m
DPD
sec
APD
sec
MWD PRES
mb
PTDY
mb
ATMP
°C
WTMP
°C
DEWP
°C
SAL
psu
VIS
km
TIDE
m
07242150   SSE 4.0 5.0----1013.4- 31.5-----
07242140   SSE 4.0 5.0----1013.5- 31.6-----
07242130   SSE 4.0 5.0----1013.5- 31.6-----
07242120   SSE 5.0 5.0----1013.5- 31.6-----
07242110   SSE 5.0 5.0----1013.5- 31.5-- 15.94--
07242100    SE 4.0 5.0 0.1---1013.5 -1.0 31.4 30.1----
07242050    SE 3.0 4.0----1013.6- 31.3-----
07242040    SE 3.0 4.0----1013.6- 31.4-----
07242030   ESE 3.0 3.0----1013.5- 31.4-----
07242020   ESE 3.0 3.0----1013.5- 31.3-----
07242010   ESE 2.0 3.0----1013.5- 31.3-- 15.96--
07242000   ESE 2.0 3.0 0.1---1013.6 -1.2 31.2 29.7----
07241950    E 2.0 3.0----1013.6- 31.0-----
07241940    E 3.0 3.0----1013.6- 30.8-----
07241930   ESE 3.0 3.0----1013.6- 30.7-----
07241920   ESE 2.0 3.0----1013.8- 30.6-----
07241910    E 2.0 3.0----1014.1- 30.6-- 15.91--
07241900    E 2.0 3.0 0.1---1014.2 -0.5 30.5 29.9----
07241850    E 2.0 3.0----1014.3- 30.5-----
07241840    E 2.0 3.0----1014.4- 30.5-----
07241830    E 2.0 3.0----1014.5- 30.5-----
07241820    E 2.0 3.0----1014.5- 30.4-----
07241810    E 2.0 3.0----1014.5- 30.3-- 15.73--
07241800    E 2.0 3.0 0.1---1014.5 +0.3 30.3 30.1----
07241750    E 2.0 3.0----1014.5- 30.2-----
07241740    E 2.0 3.0----1014.6- 30.1-----
07241730    E 2.0 3.0----1014.7- 30.1-----
07241720    E 2.0 3.0----1014.8- 30.1-----
07241710    E 2.0 3.0----1014.8- 30.0-- 15.67--
07241700    E 2.0 2.0 0.1---1014.8 +0.5 29.9 29.9----
07241650    E 2.0 2.0----1014.7- 29.8-----
07241640    E 2.0 3.0----1014.7- 29.8-----
07241630   ENE 2.0 3.0----1014.7- 29.6-----
07241620   ENE 2.0 3.0----1014.7- 29.5-----
07241610   ENE 2.0 3.0----1014.7- 29.4-- 15.61--
07241600   ENE 2.0 3.0 0.1---1014.6 +0.7 29.4 29.6----
07241550   ENE 2.0 3.0----1014.6- 29.3-----
07241540   ENE 2.0 3.0----1014.5- 29.2-----
07241530   ENE 2.0 3.0----1014.4- 29.0-----
07241520   ENE 2.0 3.0----1014.4- 28.9-----
07241510   ENE 2.0 3.0----1014.3- 29.0-- 15.49--
07241500   ENE 2.0 3.0 0.1---1014.2 +0.6 28.9 29.4----
07241450   ENE 3.0 3.0----1014.1- 28.9-----
07241440   ENE 3.0 4.0----1014.0- 28.9-----
07241430   ENE 3.0 4.0----1014.1- 28.9-----
07241420   ENE 3.0 4.0----1014.2- 29.1-----
07241410    NE 2.0 3.0----1014.2- 29.2-- 15.42--
07241400    NE 2.0 3.0 0.1---1014.2 +0.9 29.1 29.4----
07241350   ENE 3.0 3.0----1014.2- 29.1-----
07241340    NE 2.0 3.0----1014.2- 29.1-----
07241330    NE 2.0 3.0----1014.1- 29.0-----
07241320   ENE 2.0 2.0----1014.0- 29.0-----
07241310    E 2.0 3.0----1014.0- 28.9-- 15.36--
07241300   ENE 3.0 3.0 0.1---1013.9 +1.2 28.9 29.2----
07241250   ENE 3.0 3.0----1013.9- 28.9-----
07241240   ENE 3.0 4.0----1013.8- 28.9-----
07241230    NE 3.0 4.0----1013.8- 28.8-----
07241220    NE 3.0 5.0----1013.8- 28.8-----
07241210    NE 4.0 5.0----1013.7- 29.0-- 15.54--
07241200   NNE 3.0 4.0 0.1---1013.6 +1.3 29.0 28.9----
07241150    N 2.0 2.0----1013.6- 29.0-----
07241140    N 2.0 3.0----1013.6- 29.0-----
07241130    N 2.0 3.0----1013.6- 29.1-----
07241120   NNW 3.0 4.0----1013.6- 29.1-----
07241110   NNW 3.0 4.0----1013.5- 29.1-- 15.51--
07241100    NW 3.0 4.0 0.2---1013.3 +0.9 28.8 29.0----
07241050   WNW 3.0 4.0----1013.1- 28.6-----
07241040   WNW 3.0 4.0----1013.1- 28.6-----
07241030   WNW 3.0 4.0----1013.0- 28.6-----
07241020   WNW 4.0 4.0----1012.9- 28.6-----
07241010   WNW 4.0 5.0----1012.8- 28.6-- 15.35--
07241000   WNW 4.0 5.0 0.3 2--1012.7 +0.0 28.6 29.1----
07240950   WNW 4.0 5.0----1012.8- 28.6-----
07240940    W 4.0 5.0----1012.7- 28.6-----
07240930    W 4.0 5.0----1012.7- 28.7-----
07240920   WNW 5.0 6.0----1012.6- 28.8-----
07240910    W 5.0 6.0----1012.4- 28.8-- 15.15--
07240900   WNW 5.0 6.0 0.3 2--1012.3 +0.0 28.9 29.3----
07240850   WNW 5.0 5.0----1012.3- 28.9-----
07240840   WNW 4.0 5.0----1012.3- 29.0-----
07240830    W 4.0 5.0----1012.2- 28.9-----
07240820    W 3.0 4.0----1012.2- 28.8-----
07240810   WNW 4.0 5.0----1012.3- 28.8-- 15.25--
07240800   WNW 4.0 5.0 0.4 2--1012.4 +0.0 28.8 29.1----
07240750    W 4.0 5.0----1012.4- 28.9-----
07240740    W 5.0 5.0----1012.5- 29.0-----
07240730    W 5.0 6.0----1012.5- 29.0-----
07240720    W 6.0 7.0----1012.5- 29.1-----
07240710    W 6.0 7.0----1012.5- 29.1-- 15.20--
07240700    W 6.0 7.0 0.4 2--1012.6 +0.5 29.2 29.3----
07240650    W 7.0 8.0----1012.6- 29.2-----
07240640    W 6.0 7.0----1012.6- 29.3-----
07240630    W 6.0 7.0----1012.6- 29.3-----
07240620    W 6.0 8.0----1012.5- 29.4-----
07240610    W 6.0 7.0----1012.5- 29.4-- 15.17--
07240600    W 6.0 7.0 0.4 2--1012.5 +0.3 29.5 29.5----
07240550   WSW 6.0 7.0----1012.4- 29.5-----
07240540   WSW 6.0 8.0----1012.4- 29.6-----
07240530   WSW 6.0 7.0----1012.3- 29.7-----
07240520   WSW 6.0 7.0----1012.3- 29.7-----
07240510   WSW 6.0 7.0----1012.2- 29.7-- 14.91--
07240500   WSW 6.0 7.0 0.3 2--1012.3 +0.4 29.6 29.7----
07240450   WSW 5.0 7.0----1012.3- 29.7-----
07240440   WSW 6.0 7.0----1012.3- 29.8-----
07240430   WSW 5.0 6.0----1012.2- 29.8-----
07240420    SW 5.0 6.0----1012.2- 29.8-----
07240410   WSW 5.0 7.0----1012.3- 29.9-- 14.74--
07240400    SW 5.0 6.0 0.2---1012.1 +1.2 29.9 29.7----
07240350    SW 5.0 6.0----1012.1- 29.8-----
07240340    SW 5.0 5.0----1012.1- 29.9-----
07240330    SW 4.0 5.0----1012.1- 30.0-----
07240320    SW 4.0 5.0----1012.1- 30.1-----
07240310    SW 4.0 5.0----1012.2- 30.1-- 14.99--
07240300    SW 4.0 4.0 0.1---1012.2 +1.3 30.2 29.5----
07240250    SW 4.0 5.0----1012.1- 30.2-----
07240240    SW 4.0 5.0----1011.9- 30.2-----
07240230    SW 4.0 5.0----1011.9- 30.3-----
07240220    SW 4.0 5.0----1012.0- 30.3-----
07240210    SW 4.0 5.0----1011.9- 30.3-- 15.81--
07240200    SW 3.0 4.0 0.2---1011.9 +1.5 30.3 29.7----
07240150    SW 3.0 3.0----1011.8- 30.3-----
07240140    SW 3.0 4.0----1011.7- 30.6-----
07240130    SW 4.0 4.0----1011.5- 30.7-----
07240120    SW 4.0 4.0----1011.2- 30.6-----
07240110    SW 4.0 4.0----1011.0- 30.6-- 15.78--
07240100    SW 4.0 4.0 0.2---1010.9 +0.5 30.8 29.2----
07240050    SW 4.0 4.0----1011.0- 30.9-----
07240040    SW 4.0 4.0----1010.9- 31.0-----
07240030    SW 4.0 4.0----1010.9- 30.9-----
07240020   WSW 3.0 3.0----1011.0- 30.9-----
07240010   WSW 3.0 4.0----1011.0- 31.3-- 15.66--
07240000   WSW 4.0 4.0 0.2---1010.9 +0.3 31.6 29.3----
07232350    W 4.0 4.0----1010.9- 31.9-----
07232340    W 2.0 4.0----1011.1- 32.3-----
07232330   WNW 2.0 4.0----1010.9- 32.4-----
07232320   WNW 2.0 3.0----1010.8- 32.3-----
07232310   WNW 2.0 3.0----1010.5- 32.0-- 15.85--
07232300    W 2.0 2.0 0.3 2--1010.4 -0.9 32.0 29.2----
07232250   WNW 2.0 4.0----1010.3- 32.4-----
07232240   WNW 2.0 5.0----1010.4- 32.3-----
07232230   WNW 2.0 3.0----1010.4- 32.2-----
07232220   WNW 3.0 4.0----1010.4- 32.2-----
07232210    W 4.0 5.0----1010.4- 32.4-- 15.84--
07232200    W 5.0 7.0 0.3 2--1010.4 -1.8 32.7 29.3----
07232150    W 5.0 7.0----1010.3- 32.7-----

Ocean Conditions at 44042 as of
2200 GMT on 07/24/2016:

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): 1.0 m
5-day plot - Ocean TemperatureOcean Temperature (OTMP):30.14 °C
5-day plot - SalinitySalinity (SAL):15.90 psu
5-day plot - Oxygen Concentration (O2PPM)Oxygen Concentration (O2PPM): 8.19 ppm
5-day plot - ChlorophyllChlorophyll (CLCON): 6.93 ug/l
5-day plot - TurbidityTurbidity (TURB): 2 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
(GMT)
DEPTH
m
       OTMP
°C
   COND
mS/cm
  SAL
psu
  O2%
%
   O2PPM
ppm
CLCON
ug/l
TURB
FTU
PH EH
mv
07242100 1.030.10-15.94- 7.27 6.14 2--
07242000 1.029.73-15.96- 6.93 5.48 2--
07241900 1.029.94-15.91- 7.34 5.03 2--
07241800 1.030.09-15.73- 7.58 9.36 2--
07241700 1.029.88-15.67- 6.29 5.06 2--
07241600 1.029.57-15.61- 6.74 7.61 2--
07241500 1.029.40-15.49- 6.68 4.69 2--
07241400 1.029.35-15.42- 6.68 4.42 2--
07241300 1.029.20-15.36- 7.10 3.65 17--
07241200 1.028.93-15.54- 7.05 5.18 1--
07241100 1.028.96-15.51- 7.16 4.58 1--
07241000 1.029.08-15.35- 7.41 4.10 1--
07240900 1.029.27-15.15- 7.48 3.71 1--
07240800 1.029.14-15.25- 7.79 4.03 1--
07240700 1.029.33-15.20- 7.98 4.06 1--
07240600 1.029.52-15.17- 8.05 3.91 1--
07240500 1.029.67-14.91- 8.10 3.49 1--
07240400 1.029.68-14.74- 8.40 3.43 1--
07240300 1.029.53-14.99- 8.58 3.90 1--
07240200 1.029.74-15.81- 8.75 6.24 1--
07240100 1.029.22-15.78- 7.93 7.66 2--
07240000 1.029.30-15.66- 8.34 8.13 2--
07232300 1.029.19-15.85- 7.91 8.17 2--
07232200 1.029.29-15.84- 8.52 8.74 2--

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.