Coastal Flood Warnings/Watches/Statements
Issued by NWS Sterling, VA

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008
WHUS41 KLWX 212116
CFWLWX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
516 PM EDT THU SEP 21 2017

MDZ018-212230-
/O.EXP.KLWX.CF.Y.0085.000000T0000Z-170921T2100Z/
CALVERT-
516 PM EDT THU SEP 21 2017

...COASTAL FLOOD ADVISORY HAS EXPIRED...

HIGH TIDE HAS PASSED AND ANOMALIES ARE DECREASING. THE THREAT FOR
FLOODING HAS DIMINISHED.

&&

$$

MDZ014-220530-
/O.EXT.KLWX.CF.Y.0085.000000T0000Z-170922T1500Z/
ANNE ARUNDEL-
516 PM EDT THU SEP 21 2017

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 11 AM EDT FRIDAY...

* LOCATIONS...SHORELINE IN ANNE ARUNDEL COUNTY.

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

* TIMING...AROUND HIGH TIDE THROUGH FRIDAY MORNING. THE NEXT HIGH
  TIDE AT ANNAPOLIS IS AT 7:13 AM FRIDAY MORNING.

* IMPACTS...WATER IS EXPECTED TO POND IN THE PARKING LOT AT
  ANNAPOLIS CITY DOCK. 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.

&&

&&

ANNAPOLIS MD
MLLW CATEGORIES - MINOR 2.4 FT, MODERATE 3.3 FT, MAJOR 6.0 FT
MHHW CATEGORIES - MINOR 1.0 FT, MODERATE 1.9 FT, MAJOR 4.6 FT

             TOTAL      TOTAL    DEPARTURE
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD
            FT MLLW    FT MHHW       FT       FT      IMPACT
 --------  ---------  ---------  ---------  -------  --------
 22/07 AM     2.4        1.0        1.0       0.5     MINOR
 22/08 PM     2.6        1.2        1.0       0.5     MINOR
 23/08 AM     2.5        1.1        1.1       0.5     MINOR
 23/09 PM     2.7        1.3        1.1       0.5     MINOR
 24/08 AM     2.4        1.0        1.1       0.5     MINOR

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.

$$

MDZ017-220530-
/O.EXT.KLWX.CF.Y.0085.000000T0000Z-170922T1000Z/
ST. MARYS-
516 PM EDT THU SEP 21 2017

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 6 AM EDT FRIDAY...

* LOCATIONS...SHORELINE IN ST. MARYS COUNTY.

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

* TIMING...AROUND THE TIME OF HIGH TIDE. NEXT HIGH TIDE AT POINT
  LOOKOUT IS AT 3:12 AM...COLTONS POINT IS AT 4:55 AM...AND AT
  4:19 AM AT PINEY POINT.

* IMPACTS...WATER IS EXPECTED TO GO OVER A PORTION OF THE
  BULKHEAD NEAR THE STRAITS POINT BRIDGE, AND ALSO COVER YARDS
  IN THE ST GEORGES CREEK AND ST MARYS RIVER AREAS. 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.

&&

&&

STRAITS POINT MD
MLLW CATEGORIES - MINOR 2.7 FT, MODERATE 3.5 FT, MAJOR 5.0 FT
MHHW CATEGORIES - MINOR 1.1 FT, MODERATE 1.9 FT, MAJOR 3.4 FT

             TOTAL      TOTAL    DEPARTURE
 DAY/TIME    TIDE       TIDE     FROM NORM   WAVES    FLOOD
            FT MLLW    FT MHHW       FT       FT      IMPACT
 --------  ---------  ---------  ---------  -------  --------
 22/04 AM     3.1        1.5        1.4       0.5     MINOR
 22/04 PM     3.2        1.6        1.5       0.5     MINOR
 23/05 AM     3.1        1.5        1.5       0.5     MINOR
 23/05 PM     3.2        1.6        1.5       0.5     MINOR
 24/05 AM     3.0        1.4        1.5       0.5     MINOR

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.

$$

DCZ001-VAZ054-220400-
/O.CON.KLWX.CF.Y.0085.000000T0000Z-170922T0400Z/
DISTRICT OF COLUMBIA-ARLINGTON/FALLS CHURCH/ALEXANDRIA-
516 PM EDT THU SEP 21 2017

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* LOCATIONS...SHORELINE IN THE DISTRICT OF COLUMBIA AND
  ARLINGTON COUNTY AND THE CITY OF ALEXANDRIA.

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

* TIMING...AROUND HIGH TIDE THROUGH THURSDAY MORNING. NEXT HIGH
  TIDE AT WASHINGTON CHANNEL IS AT 9:50 PM TONIGHT AND AT
  ALEXANDRIA AT 10:08 PM.

* IMPACTS...SHORELINE INUNDATION IS EXPECTED ALONG PORTIONS OF
  THE SEAWALL ADJACENT TO OHIO DRIVE AND THE HAINS POINT LOOP
  ROAD. WATER IS EXPECTED TO APPROACH THE CURB NEAR THE
  INTERSECTION OF KING STREET AND STRAND STREET IN ALEXANDRIA.
  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.

&&

&&

$$

$$

DH



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