000
AGXX40 KNHC 090734
MIMATS

MARINE WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
230 AM EST MON NOV 09 2009

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

HURRICANE IDA CENTERED NEAR 24.4N 87.5W AT 0600 UTC MOVING NNW.
IDA IS FORECAST TO MAKE LANDFALL EARLY TUE NEAR THE WESTERN 
FLORIDA PANHANDLE. THE CURRENT INTENSITY OF THE HURRICANE IS 90 
KT...BUT IS FORECAST TO WEAKEN A LITTLE AS IT MOVES OVER COOLER 
WATERS. AS IDA MOVES INLAND IT WILL DRAG A COLD FRONT INTO THE 
GULF WITH STRONG NLY WINDS W OF THE FRONT. THE FRONT WILL EXTEND 
FROM THE FLORIDA BIG BEND TO THE YUCATAN CHANNEL TUE EVENING
AND THEN E OF THE AREA WED AFTERNOON. THE WINDS DECREASE FROM W 
TO E AND THE STRONGEST WIND WILL BE CONFINED TO THE E GULF THU 
AND BECOMING LIGHT ON FRI. WEAK RIDGE MOVES INTO THE AREA FRI 
WITH WINDS 10 KT OR LESS.

STRONG HIGH PRES N OF THE AREA WILL CONTINUE TO PRODUCE A STRONG 
PRES GRADIENT ACROSS THE ATLC ZONE WITH STRONG NE-E WINDS IN THE 
20-30 KT RANGE ACROSS MOST OF THE AREA...BUT THE STRONG WINDS 
WILL BE OF THE SW PORTION OF THE AREA. WINDS WILL GRADUALLY 
DIMINISH TONIGHT WITH THE HIGH WEAKENING AND SHIFTING MORE TO 
THE NE AS A STRONG COLD FRONT MOVES OFF THE SE U.S. COAST. SOME 
OF THE REMNANT ENERGY AND MOISTURE ASSOCIATED WITH IDA MAY ALSO 
GET ABSORBED INTO THE FRONT. THE FRONT WILL REACH FROM 31N77W TO 
26N80W WED AFTERNOON WITH STRONG S-SW WINDS AHEAD OF THE 
FRONT...AND STRONG W-NW WINDS BEHIND IT. THE FRONT WILL EXTEND 
FROM 31N68W TO CENTRAL CUBA THU AND FROM 31N65W TO HISPANIOLA 
FRI. STRONG WINDS WILL CONTINUE OVER MUCH OF THE AREA N OF 
25N...ALONG WITH LARGE NLY SWELL UP TO 15 FT FRI.

IDA HAS MOVED WELL TO THE N OF THE CARIBBEAN AND WINDS OVER THE 
NW CARIBBEAN HAVE DECREASED. THE PRES GRADIENT REMAINS WEAK 
ACROSS MOST OF THE CARIBBEAN WITH LIGHT TO MODERATE TRADES 
CONTINUING THROUGH FRI. COLD FRONT WILL MOVE INTO THE NW 
CARIBBEAN WED NIGHT INTO THU STALL FROM NEAR HAITI TO NICARAGUA 
FRI. NLY WINDS BEHIND THE FRONT WILL INCREASE TO 20-25 KT.

WARNINGS...

ATLC...
.GALE WARNING S OF 25N E OF 78W TODAY.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.GMZ084...HURRICANE WARNING THROUGH TUE MORNING.
.GMZ086...TROPICAL STORM WARNING S OF 25N W OF 84W THROUGH TUE.
.GMZ086...GALE WARNING S OF 25N E OF 85W THROUGH TONIGHT.
.GMZ084...GALE CONDITIONS EXPECTED N OF 28N E OF 88W TUE.

$$
FORECASTER DGS