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Coastal Flood Advisory

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


MDZ017-211700-
/O.EXB.KLWX.CF.Y.0085.170921T0900Z-170921T2300Z/
/O.EXT.KLWX.CF.W.0006.000000T0000Z-170921T0900Z/
ST. MARYS-
452 AM EDT THU SEP 21 2017

...COASTAL FLOOD WARNING NOW IN EFFECT UNTIL 5 AM EDT EARLY THIS
MORNING...
...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON DC HAS
ISSUED A COASTAL FLOOD ADVISORY, WHICH IS IN EFFECT UNTIL 7 PM
EDT THIS EVENING.

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

* TIDAL DEPARTURE...AROUND 1.5 TO 2.0 FEET ABOVE NORMAL.

* TIMING...AROUND THE TIME OF HIGH TIDE. HIGH TIDE AT POINT
  LOOKOUT IS AT 3:02 PM. HIGH TIDE AT COLTONS POINT IS AT 4:32 PM
  AND AT 3:56 PM 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
 --------  ---------  ---------  ---------  -------  --------
 21/04 AM     3.6        2.0        1.9       0.5    MODERATE
 21/03 PM     3.3        1.7        1.6       0.5     MINOR
 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

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.

$$



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Page last modified: May 16, 2007
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