000
AGXX40 KNHC 101820
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
130 PM EST SAT JAN 10 2009

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

COLD FRONT EXTENDING THROUGH 28N55W TO 24N65W TO E CUBA BRINGS 
STRONG NE WINDS ALONG A 240 NM SWATH W OF BOUNDARY.  SUPPORTING 
UPPER LEVEL TROUGH FLATTENING ACROSS ENTIRE SW N ATLC WITH VERY 
DRY AND STABLE AIR MASS W OF COLD FRONT.  LINGERING LONG PERIOD 
N-NW SWELLS REPORTEDLY SUBSIDING FASTER THAN NWW3 GUIDANCE.  

SECOND BUT WEAK COLD FRONT ENTERS BASIN SUN NIGHT STALLING 
HALFWAY BUT REINFORCING COLD AIR MASS FOLLOWS TUE WITH STRONG  
SW FLOW WELL IN ADVANCE OF BOUNDARY AND STRONG W-NW FLOW W OF 
FRONT.  GUSTS TO GALE FORCE A POSSIBILITY AS GULFSTREAM HEAT 
COULD PRODUCE GOOD MIXING ONCE COLD MASS GETS OVER WATER. 
MODEL GUIDANCE CALLING FOR GALES JUST N OF 31N.  

COLD FRONT ENTERS NW GULF OF MEXICO THIS AFTERNOON AND RACES 
ACROSS BASIN PROMPTING GALE FORCE WINDS S OF 25N W OF 95W 
LASTING THROUGH MON.  FRONT EXITS GULF LATE EARLY MON RELAXING 
GRADIENT AND DIMINISHING WINDS AND SEAS...BUT REINFORCING SURGE 
OF COLD AIR MASS BY END OF FORECAST PERIOD RE-ESTABLISHES STRONG 
N-NE WINDS AND SEAS TO 14 FT.   

STRONG E TRADEWINDS IS THE WORD FOR MOST OF CARIBBEAN SEA AS 
HIGH PRES RIDGE TAKES HOLD OF CENTRAL ATLC SHIFTING INCOMING 
FRONTAL BOUNDARIES NE AND MAINTAINING LONG FETCH OF STRONG E 
WINDS ACROSS ATLC S OF 25N THROUGH END OF FORECAST PERIOD.  

ATLANTIC...
NONE. 

CARIBBEAN...
NONE.

GULF OF MEXICO...
GALE WARNING S OF 25N W OF 95W..GMZ082.

FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.