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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
1034 AM EDT Wed Sep 20 2017

ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-211000-
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-District of Columbia-Southern Baltimore-Prince Georges-
Anne Arundel-Charles-St. Marys-Calvert-Southeast Harford-
Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Stafford-Spotsylvania-
King George-
1034 AM EDT Wed Sep 20 2017

This Hazardous Weather Outlook is for the Maryland portion of the
Chesapeake Bay, Tidal Potomac River, and adjacent counties in
central Maryland and northern Virginia as well as the District of
Columbia.

.DAY ONE...Today and Tonight

A Coastal Flood Warning is in effect for St Marys County until 7
pm. Moderate tidal flooding is expected.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$



Coastal Flood Advisory

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1021 AM EDT WED SEP 20 2017

MDZ018-202230-
/O.EXT.KLWX.CF.Y.0085.000000T0000Z-170921T1100Z/
CALVERT-
1021 AM EDT WED SEP 20 2017

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 7 AM EDT THURSDAY...

* LOCATIONS...SHORELINE IN CALVERT COUNTY.

* TIDAL DEPARTURE...AROUND 1 TO 1.5 FEET ABOVE NORMAL.

* TIMING...AROUND THE TIME OF HIGH TIDE THIS AFTERNOON AND AGAIN
  LATE TONIGHT INTO THURSDAY MORNING. HIGH TIDE AT SOLOMONS ISLAND
  WILL BE AT 3:06 PM THIS AFTERNOON AND AT 3:29 AM EARLY THURSDAY
  MORNING. HIGH TIDE AT CHESAPEAKE BEACH WILL BE AT 4:56 PM LATE
  THIS AFTERNOON AND AGAIN AT 5:13 AM EARLY THURSDAY MORNING.

* IMPACTS...WATER IS EXPECTED TO REACH BACKYARDS NEAR CHARLES
  STREET AND WILLIAMS STREET IN SOLOMONS ISLAND. MINOR SHORELINE
  INUNDATION IS POSSIBLE ELSEWHERE. WATER IS EXPECTED TO REACH
  BACKYARDS NEAR 9TH STREET IN NORTH BEACH. MINOR SHORELINE
  INUNDATION IS POSSIBLE ELSEWHERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

&&

&&

SOLOMONS ISLAND MD
MLLW CATEGORIES - MINOR 2.75 FT, MODERATE 4.0 FT, MAJOR 5.0 FT
MHHW CATEGORIES - MINOR 1.25 FT, MODERATE 2.5 FT, MAJOR 3.5 FT

             TOTAL      TOTAL    DEPARTURE
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD
            FT MLLW    FT MHHW       FT       FT      IMPACT
 --------  ---------  ---------  ---------  -------  --------
 20/03 PM     3.0        1.5        1.3       1.0     MINOR
 21/03 AM     2.9        1.4        1.2       1.0     MINOR
 21/04 PM     2.7        1.2        1.0       1.0     MINOR
 22/04 AM     2.7        1.2        1.0       1.0     MINOR
 22/04 PM     2.6        1.1        0.9       1.0      NONE
 23/04 AM     2.6        1.1        1.0       1.0      NONE

NORTH BEACH MD
MLLW CATEGORIES - MINOR 2.7 FT, MODERATE 4.0 FT, MAJOR 5.0 FT
MHHW CATEGORIES - MINOR 1.3 FT, MODERATE 2.6 FT, MAJOR 3.6 FT

             TOTAL      TOTAL    DEPARTURE
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD
            FT MLLW    FT MHHW       FT       FT      IMPACT
 --------  ---------  ---------  ---------  -------  --------
 20/04 PM     2.9        1.5        1.4       0.5     MINOR
 21/05 AM     2.8        1.4        1.3       0.5     MINOR
 21/06 PM     2.7        1.3        1.1       0.5     MINOR
 22/06 AM     2.5        1.1        1.0       0.5      NONE
 22/06 PM     2.6        1.2        1.0       0.5      NONE
 23/07 AM     2.6        1.2        1.2       0.5      NONE

FORECAST TIDES ARE REFERENCED TO MEAN LOWER LOW WATER
(MLLW) AND MEAN HIGHER HIGH WATER (MHHW) UNLESS
OTHERWISE NOTED. TIME OF HIGH TOTAL TIDE IS
APPROXIMATE TO NEAREST HOUR. TOTAL TIDE COMBINES THE
NORMAL TIDE AND DEPARTURE FROM NORMAL. FLOOD IMPACT
IS BASED ON THE TOTAL TIDE AND WAVES WHERE APPLICABLE.

$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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