000
AGXX40 KNHC 201900
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EST THU JAN 20 2011

MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA 
AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

GULF OF MEXICO...
A STRONG COLD FRONT WILL MOVE OFF THE TEXAS COAST TONIGHT AND 
RAPIDLY SHIFT ACROSS THE GULF OF MEXICO...REACHING FROM N 
FLORIDA TO THE E BAY OF CAMPECHE FRI MORNING...THEN SHIFTING E 
OF THE AREA SAT MORNING. WINDS WILL REACH GALE FORCE LATE 
TONIGHT W OF THE FRONT FROM 21N TO 25N W OF 94W. WINDS WILL DROP 
BELOW GALE FORCE BY FRI AFTERNOON. NORTHERLY WINDS ACROSS THE 
GULF WILL VEER SAT NIGHT WITH SE RETURN FLOW SETTING UP ACROSS 
THE W GULF AHEAD OF ANOTHER COLD FRONT EXPECTED TO MOVE OFF THE 
TEXAS COAST SUN NIGHT. THIS FRONT IS NOT EXPECTED TO BE AS 
STRONG AS THE FRONT TONIGHT...WITH FRESH TO STRONG WINDS BEHIND 
THE FRONT. THE FRONT WILL REACH FROM EASTERN LOUISIANA TO 
TAMPICO MEXICO MON AFTERNOON AND STALL FROM NORTHERN FLORIDA TO 
THE BAY OF CAMPECHE EARLY TUE. 
   
SW N ATLC...
A COLD FRONT EXTENDS FROM BERMUDA TO SE FL WILL SHIFT E OF THE 
AREA TONIGHT. A SECOND COLD FRONT WILL ENTER THE NW CORNER OF 
THE AREA FRI MORNING BEFORE STALLING FROM 31N67W TO 28N77W. LOW 
PRESSURE IS EXPECTED TO FORM AT THE TAIL END OF THIS FRONT 
SAT..AND MOVE NE OF THE AREA BY SUN. THIS SECOND LOW WILL 
GENERATE A REINFORCING FRONT WHICH WILL EXTEND FROM 31N67W TO 
THE WINDWARD PASSAGE SUN...AND E OF THE AREA MON. HIGH PRESSURE 
WILL BUILD ACROSS THE AREA IN THE WAKE OF THE FRONT. 

CARIBBEAN AND TROPICAL N ATLC...
FRESH TO STRONG TRADES OVER THE CENTRAL AND EASTERN CARIBBEAN 
AND TROPICAL N ATLC WILL DIMINISH FRI AS HIGH PRESS RIDGE N OF 
THE AREA WEAKENS AND SHIFTS E. FRESH TO STRONG TRADES WILL 
PREVAIL AGAIN ON MONDAY AS HIGH PRESSURE BUILDS BACK N OF THE 
AREA. A COLD FRONT WILL ENTER THE FAR NW CARIBBEAN 
SAT...REACHING FROM E CUBA TO E HONDURAS EARLY SUN...WHERE IT 
WILL STALL AND DISSIPATE.  

WARNINGS..

ATLC...
.NONE. 

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.GMZ082...GALE WARNING 21N-25N W OF 94W TONIGHT AND S OF 22N W 
OF 94W FRI.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER AL