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
    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

 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.

NWS Forecast

FZUS51 KLWX 310232
CWFLWX

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1032 PM EDT THU JUL 30 2015

TIDAL POTOMAC RIVER AND MARYLAND PORTION OF CHESAPEAKE BAY.

FORECASTS OF WAVE HEIGHTS DO NOT INCLUDE EFFECTS OF WIND DIRECTION
RELATIVE TO TIDAL CURRENTS.  EXPECT HIGHER WAVES WHEN WINDS ARE
BLOWING AGAINST THE TIDAL FLOW. 

ANZ500-310800-
1032 PM EDT THU JUL 30 2015

SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY

A COLD FRONT WILL CROSS THE WATERS TONIGHT. HIGH PRESSURE WILL
RETURN FRIDAY. A WEAK SECONDARY COLD FRONT WILL PASS THROUGH LATE
SATURDAY. HIGH PRESSURE WILL RETURN TO START OUT NEXT WEEK.



ANZ535-310800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG.

FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.

FRI NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.

SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SAT NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.

SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.

SUN NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.

MON
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.

TUE
W WINDS AROUND 5 KT. WAVES 1 FT. 



ANZ536-310800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING. PATCHY FOG.

FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT.

FRI NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.

SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SAT NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.

SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.

SUN NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.

MON
SW WINDS AROUND 5 KT. WAVES 1 FT.

TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. 

WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.



ANZ537-310800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A SLIGHT
CHANCE OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING. PATCHY FOG.

FRI
NW WINDS 5 TO 10 KT. WAVES 2 FT.

FRI NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.

SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.

SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 2 FT.

MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.

TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. 

WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.



ANZ530-310800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. ISOLATED SHOWERS
AND TSTMS LATE THIS EVENING.

FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.

FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.

SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.

SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.

SUN NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.

MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.

TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. 

WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.



ANZ531-310800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
NW WINDS 10 KT. WAVES 1 TO 2 FT.

FRI
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.

SAT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.

SUN
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.

SUN NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.

MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.

TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. 



ANZ538-310800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.

FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.

FRI NIGHT
W WINDS 5 KT. WAVES FLAT.

SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SAT NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.

SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT.

SUN NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.

MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.

TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. 



ANZ539-310800-
CHESTER RIVER TO QUEENSTOWN MD-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
NW WINDS 10 KT. WAVES 1 TO 2 FT. A SLIGHT CHANCE
OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING.

FRI
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.

SAT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.

SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT.

SUN NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.

MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.

TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. 

WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.



ANZ532-310800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
NW WINDS 10 KT. WAVES 1 TO 2 FT. A SLIGHT CHANCE
OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING.

FRI
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SAT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.

SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT.

SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.

MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.

TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. 

WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.



ANZ540-310800-
EASTERN BAY-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
NW WINDS 10 KT. WAVES 1 TO 2 FT. A SLIGHT CHANCE
OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING.

FRI
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SAT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.

SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT.

SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.

MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.

TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. 

WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.



ANZ533-310800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
W WINDS 10 KT...BECOMING NW. WAVES 1 TO 2 FT. A
SLIGHT CHANCE OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING.

FRI
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SAT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT.

SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.

MON
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. 

WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.



ANZ541-310800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
W WINDS 10 KT...BECOMING NW. WAVES 1 TO 2 FT. A
SLIGHT CHANCE OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING.

FRI
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SUN
W WINDS 5 KT. WAVES LESS THAN 1 FT.

SUN NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.

MON
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.

TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. 

WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.



ANZ542-310800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT
CHANCE OF SHOWERS WITH ISOLATED TSTMS LATE THIS EVENING.

FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.

FRI NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.

SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SAT NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.

SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.

SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.

MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.

TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. 

WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.



ANZ534-310800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
SW WINDS 10 KT...BECOMING NW. WAVES 1 TO 2 FT.
SCATTERED SHOWERS AND TSTMS LATE THIS EVENING. PATCHY FOG.

FRI
NW WINDS 10 TO 15 KT. WAVES 3 FT.

FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SAT
SW WINDS 10 KT. WAVES 2 TO 3 FT.

SAT NIGHT
W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT.

SUN
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.

MON
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

TUE
SW WINDS 10 TO 15 KT...BECOMING W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 2 FT. 

WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.



ANZ543-310800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1032 PM EDT THU JUL 30 2015

REST OF TONIGHT
SW WINDS 10 KT...BECOMING NW LATE. WAVES 1 TO
2 FT. SCATTERED SHOWERS AND TSTMS LATE THIS EVENING. PATCHY FOG.

FRI
NW WINDS 5 TO 10 KT. WAVES 2 FT.

FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.

SAT
SW WINDS 5 TO 10 KT. WAVES 2 FT.

SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SUN
W WINDS 5 TO 10 KT. WAVES 1 FT.

SUN NIGHT
S WINDS 5 TO 10 KT. WAVES 2 FT.

MON
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

TUE
SW WINDS 10 TO 15 KT...BECOMING W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 2 FT. 

WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.