307 
WHUS72 KCHS 091058
MWWCHS

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
558 AM EST SUN DEC 9 2012

AMZ330-350-352-354-091700-
/O.CON.KCHS.MF.Y.0010.000000T0000Z-121209T1700Z/
CHARLESTON HARBOR-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT
20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
558 AM EST SUN DEC 9 2012

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...

A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY. 

* TIMING: THROUGH 12 PM TODAY.

* VISIBILITY: 1/4 TO 1/2 NM AT TIMES.

* IMPACTS: THE REDUCED VISIBILITIES WILL MAKE NAVIGATION 
  EXTREMELY DIFFICULT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN 1/2 NM. INEXPERIENCED MARINERS...ESPECIALLY
THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE
CONDITIONS. REMEMBER TO USE PROPER FOG SIGNALS AND MAKE SURE ALL
RUNNING LIGHTS ARE ON. 

&&

$$