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

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

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)


Conditions at 44042 as of
1420 GMT on 07/21/2017:
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): NW ( 310 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 - Atmospheric Pressure Atmospheric Pressure (PRES): 1013.9 mb
5-day plot - Air Temperature Air Temperature (ATMP): 29.0 °C
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): 4 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
07211410  NW 4.0 4.0 0.2---1013.9- 29.1-- 12.62--
07211400  NW 4.0 5.0 0.2---1013.8 +1.2 29.0 29.2----
07211350  NW 4.0 4.0 0.2---1013.7- 28.9-----
07211340  NW 3.0 4.0----1013.7- 28.9-----
07211330  NW 3.0 4.0----1013.6- 28.7-----
07211320  NW 3.0 3.0----1013.6- 28.5-----
07211310  W 3.0 3.0 0.2---1013.6- 28.3-- 12.58--
07211300  W 3.0 3.0 0.2---1013.6 +1.4 28.3 29.1----
07211250  W 3.0 4.0----1013.6- 28.1-----
07211240  W 3.0 4.0----1013.6- 27.9-----
07211230  W 3.0 4.0----1013.6- 27.9-----
07211220  W 4.0 4.0----1013.5- 27.9-----
07211210  W 4.0 4.0 0.2---1013.5- 27.8-- 12.59--
07211200  W 3.0 4.0 0.2---1013.4 +1.5 27.9 29.0----
07211150  W 4.0 4.0----1013.3- 27.9-----
07211140  W 4.0 4.0----1013.1- 27.9-----
07211130  W 4.0 4.0----1013.0- 27.9-----
07211120  W 3.0 4.0----1012.9- 27.8-----
07211110  W 3.0 4.0 0.2---1012.7- 27.6-- 12.61--
07211100 WSW 3.0 4.0 0.3 2--1012.6 +0.8 27.5 29.1----
07211050  W 4.0 4.0----1012.5- 27.5-----
07211040 WSW 4.0 5.0----1012.4- 27.5-----
07211030 WSW 4.0 5.0----1012.4- 27.8-----
07211020 WSW 4.0 4.0----1012.3- 27.8-----
07211010  W 4.0 4.0 0.3---1012.2- 27.8-- 12.62--
07211000  W 4.0 4.0 0.3 2--1012.2 +0.0 27.8 29.0----
07210950  W 4.0 5.0----1012.3- 27.8-----
07210940  W 5.0 6.0----1012.1- 27.7-----
07210930  W 5.0 6.0----1012.0- 27.7-----
07210920  W 5.0 7.0----1012.0- 27.8-----
07210910  W 6.0 7.0 0.4---1012.0- 27.8-- 12.56--
07210900  W 6.0 7.0 0.4 3--1011.9 -0.6 27.8 28.9----
07210850  W 6.0 7.0----1011.9- 27.7-----
07210840  W 6.0 7.0----1011.9- 27.7-----
07210830  W 6.0 8.0----1011.9- 27.7-----
07210820  W 6.0 8.0----1011.8- 27.8-----
07210810  W 6.0 7.0 0.4---1011.9- 27.8-- 12.62--
07210800 WSW 7.0 8.0 0.4 3--1011.8 -1.0 27.8 29.0----
07210750 WSW 7.0 8.0----1011.8- 27.8-----
07210740 WSW 6.0 7.0----1011.8- 27.9-----
07210730 WSW 6.0 7.0----1011.9- 27.9-----
07210720 WSW 6.0 7.0----1012.0- 28.0-----
07210710 WSW 6.0 8.0 0.4---1012.1- 28.1-- 12.59--
07210700 WSW 6.0 7.0 0.4 2--1012.2 -0.6 28.1 29.0----
07210650 WSW 6.0 8.0----1012.3- 28.0-----
07210640 WSW 6.0 7.0----1012.4- 28.0-----
07210630 WSW 6.0 8.0----1012.4- 28.0-----
07210620 WSW 6.0 7.0----1012.5- 28.1-----
07210610 WSW 7.0 8.0 0.5---1012.5- 28.2-- 12.60--
07210600 WSW 7.0 8.0 0.5 2--1012.5 -0.3 28.3 28.8----
07210550 WSW 7.0 8.0----1012.5- 28.3-----
07210540 WSW 7.0 8.0----1012.5- 28.4-----
07210530 WSW 7.0 8.0----1012.5- 28.5-----
07210520  SW 7.0 8.0----1012.6- 28.6-----
07210510 WSW 8.0 9.0 0.5---1012.8- 28.7-- 13.04--
07210500 WSW 7.0 9.0 0.5 2--1012.8 +0.0 28.7 28.9----
07210450 WSW 8.0 9.0----1012.8- 28.8-----
07210440 WSW 7.0 8.0----1012.9- 28.8-----
07210430 WSW 7.0 8.0----1012.9- 28.8-----
07210420  SW 7.0 8.0----1012.9- 28.9-----
07210410  SW 6.0 8.0 0.4---1012.9- 28.9-- 12.84--
07210400  SW 6.0 8.0 0.4 2--1012.9 +0.5 29.0 28.9----
07210350  SW 6.0 8.0 0.4---1012.9- 29.0-----
07210340  SW 6.0 7.0----1012.9- 29.0-----
07210330  SW 6.0 7.0----1012.9- 29.0-----
07210320  SW 6.0 7.0----1012.9- 28.9-----
07210310  SW 6.0 7.0 0.4---1012.9- 28.9-- 12.70--
07210300  SW 6.0 7.0 0.4 2--1012.8 +0.4 29.0 29.0----
07210250  SW 5.0 6.0----1012.8- 28.9-----
07210240  SW 5.0 7.0----1012.9- 28.9-----
07210230  SW 5.0 6.0----1012.8- 28.8-----
07210220 SSW 5.0 7.0----1012.8- 28.8-----
07210210 SSW 5.0 6.0 0.4---1012.7- 28.9-- 12.56--
07210200 SSW 5.0 6.0 0.4 3--1012.6 +0.5 28.9 29.2----
07210150 SSW 5.0 6.0 0.4---1012.6- 28.8-----
07210140 SSW 5.0 6.0----1012.6- 28.8-----
07210130 SSW 5.0 6.0----1012.5- 28.8-----
07210120  S 5.0 6.0----1012.5- 28.9-----
07210110  S 5.0 7.0 0.4---1012.5- 28.9-- 12.48--
07210100  S 5.0 6.0 0.4 2--1012.4 +0.0 28.8 29.2----
07210050  S 6.0 7.0 0.4---1012.4- 28.9-----
07210040  S 6.0 7.0----1012.4- 29.0-----
07210030  S 7.0 8.0----1012.3- 29.0-----
07210020 SSW 6.0 7.0----1012.4- 28.8-----
07210010 SSW 6.0 7.0 0.4---1012.5- 28.7-- 12.52--
07210000 SSW 6.0 7.0 0.4 2--1012.5 -0.7 28.9 29.5----
07202350 SSW 6.0 8.0 0.4---1012.4- 29.3-----
07202340 SSW 6.0 7.0----1012.3- 29.2-----
07202330 SSW 6.0 7.0----1012.1- 29.0-----
07202320 SSW 5.0 7.0----1012.1- 29.0-----
07202310 SSW 6.0 7.0 0.3---1012.1- 28.8-- 12.55--
07202300 SSW 6.0 7.0 0.3 2--1012.2 -1.3 28.6 29.6----
07202250 SSW 6.0 8.0----1012.2- 28.6-----
07202240 SSW 6.0 7.0----1012.2- 28.6-----
07202230 SSW 6.0 8.0----1012.4- 28.4-----
07202220  SW 7.0 9.0----1012.6- 28.0-----
07202210  SW 8.0 11.0 0.5---1012.7- 27.9-- 12.59--
07202200 SSW 7.0 9.0 0.5 3--1012.5 -1.4 28.7 29.5----
07202150 SSW 6.0 8.0----1012.3- 29.1-----
07202140  S 7.0 9.0----1012.3- 29.0-----
07202130  S 8.0 9.0----1012.4- 28.8-----
07202120  S 8.0 10.0----1012.5- 28.4-----
07202110  S 9.0 11.0 0.5---1012.7- 28.6-- 12.64--
07202100 SSW 8.0 10.0 0.5 3--1013.2 -1.5 28.8 29.8----
07202050  SW 9.0 13.0----1013.4- 28.3-----
07202040  SW 11.0 16.0----1013.9- 28.6-----
07202030  SW 8.0 17.0----1013.8- 30.3-----
07202020  S 5.0 6.0----1013.3- 30.8-----
07202010 SSE 5.0 6.0 0.4---1013.4- 30.8-- 12.62--
07202000 SSE 5.0 6.0 0.4 3--1013.5 -1.4 30.6 30.0----
07201950 SSE 6.0 7.0----1013.6- 30.5-----
07201940 SSE 6.0 7.0----1013.5- 30.7-----
07201930 SSE 5.0 6.0----1013.5- 30.8-----
07201920  SE 5.0 6.0----1013.6- 30.8-----
07201910 SSE 5.0 6.0 0.2---1013.7- 31.0-- 12.62--
07201900 SSE 5.0 6.0 0.2---1013.9 -1.7 30.6 30.4----
07201850 SSE 5.0 6.0----1014.1- 30.3-----
07201840  SE 5.0 6.0----1014.2- 30.1-----
07201830  SE 5.0 6.0----1014.2- 30.0-----
07201820  SE 5.0 5.0----1014.3- 29.9-----
07201810  SE 4.0 5.0 0.1---1014.4- 29.8-- 12.69--
07201800  S 2.0 4.0 0.1---1014.7 -1.5 29.9 31.1----
07201750 SSW 1.0 2.0----1014.8- 29.9-----
07201740 SSW 1.0 1.0----1015.0- 30.0-----
07201730 SSW 1.0 2.0----1015.0- 30.2-----
07201720  SW 1.0 2.0----1015.0- 30.6-----
07201710 WNW 1.0 2.0 0.1---1014.9- 30.8-- 12.73--
07201700 - 0.0 1.0 0.1---1014.9 -1.1 30.8 30.6----
07201650 - 0.0 0.0----1015.0- 30.3-----
07201640 - 0.0 1.0----1015.2- 30.1-----
07201630 - 0.0 0.0----1015.4- 29.6-----
07201620 - 0.0 1.0----1015.5- 29.3-----
07201610 - 0.0 1.0 0.1---1015.6- 29.2-- 12.73--
07201600 - 0.0 1.0 0.1---1015.7 +0.0 29.0 29.8----
07201550  W 1.0 2.0----1015.8- 28.8-----
07201540  W 1.0 2.0----1015.9- 28.7-----
07201530  W 1.0 2.0----1015.9- 28.5-----
07201520  W 1.0 2.0----1015.9- 28.5-----
07201510  W 1.0 2.0 0.2---1016.0- 28.6-- 12.63--
07201500 WNW 2.0 2.0 0.2---1016.1 +0.0 28.5 29.3----
07201450  NW 3.0 3.0----1016.2- 28.3-----
07201440  NW 3.0 4.0----1016.3- 28.2-----
07201430  NW 4.0 4.0----1016.2- 28.2-----
07201420  NW 4.0 5.0----1016.1- 28.1-----
07201410  NW 5.0 5.0 0.2---1016.1- 28.1-- 12.60--
07201400 WNW 4.0 5.0 0.2---1016.0 +0.6 28.1 29.1----
07201350 WNW 4.0 5.0----1015.9- 28.1-----

Detailed Wave Summary
for 44042 as of
1400 GMT on 07/21/2017:

These wave 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.

5-day plot - Significant Wave HeightSignificant Wave Height (WVHT): 0.2 m
Previous observations
5-day plot - Significant Wave Height 5-day plot - Swell Height 5-day plot - Swell Period 5-day plot - Swell Direction 5-day plot - Wind Wave Height 5-day plot - Wind Wave Period 5-day plot - Wind Wave Direction 5-day plot - Wave Steepness 5-day plot - Average Wave Period
MM DD TIME
(GMT)
WVHT
m
SwH
m
SwP
sec
SwD WWH
m
WWP
sec
WWD STEEPNESS APD
sec
07211300  0.2------ N/A-
07211200  0.2------ N/A-
07211100  0.2------ N/A-
07211000  0.3------ N/A-
07210900  0.4------ N/A-
07210800  0.4------ N/A-
07210700  0.4------ N/A-
07210600  0.5------ N/A-
07210500  0.5------ N/A-
07210400  0.4------ N/A-
07210300  0.4------ N/A-
07210200  0.4------ N/A-
07210100  0.4------ N/A-
07210000  0.4------ N/A-
07202300  0.3------ N/A-
07202200  0.5------ N/A-
07202100  0.5------ N/A-
07202000  0.4------ N/A-
07201900  0.2------ N/A-
07201800  0.1------ N/A-
07201700  0.1------ N/A-
07201600  0.1------ N/A-
07201500  0.2------ N/A-
07201400  0.2------ N/A-

Ocean Conditions at 44042 as of
1400 GMT on 07/21/2017:

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):29.17 °C
5-day plot - SalinitySalinity (SAL):12.62 psu
5-day plot - Oxygen Concentration (O2PPM)Oxygen Concentration (O2PPM): 5.29 ppm
5-day plot - ChlorophyllChlorophyll (CLCON): 6.27 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
07211300 1.029.13-12.58- 6.16 7.10 4--
07211200 1.029.03-12.59- 6.12 4.22 3--
07211100 1.029.06-12.61- 6.32 4.39 11--
07211000 1.029.03-12.62- 6.43 4.36 8--
07210900 1.028.90-12.56- 6.72 4.01 9--
07210800 1.028.96-12.62- 6.85 4.03 7--
07210700 1.029.04-12.59- 7.00 4.06 10--
07210600 1.028.84-12.60- 6.79 3.85 7--
07210500 1.028.89-13.04- 6.46 8.31 12--
07210400 1.028.92-12.84- 7.00 5.26 10--
07210300 1.029.02-12.70- 7.01 5.30 13--
07210200 1.029.17-12.56- 7.19 4.83 9--
07210100 1.029.20-12.48- 7.49 8.92 53--
07210000 1.029.46-12.52- 7.40 5.74 9--
07202300 1.029.57-12.55- 7.40 5.79 9--
07202200 1.029.53-12.59- 7.68 6.45 10--
07202100 1.029.77-12.64- 7.76 7.04 14--
07202000 1.029.96-12.62- 8.04 9.06 25--
07201900 1.030.37-12.62- 8.26 7.33 20--
07201800 1.031.10-12.69- 7.3411.87 99--
07201700 1.030.57-12.73- 7.26 4.49 6--
07201600 1.029.79-12.73- 7.01 3.17 2--
07201500 1.029.25-12.63- 7.17 4.14 3--
07201400 1.029.07-12.60- 6.86 4.85 9--

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.