000
AGXX40 KNHC 141544
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
1100 AM EST SAT JAN 13 2007

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

SURFACE HIGH PRES CENTERED NEAR BERMUDA RIDGES W ALONG 31N TO LA 
WITH GRADIENT SUPPORTING BRISK ELY FLOW ACROSS ALL WATERS. 
LITTLE CHANGE EXPECTED IN TROPICAL WATERS TILL LATE TUE WHEN THE 
GRADIENT WEAKENS. THE ASSOCIATED GRADIENT IN DEEP TROPICS... 
ALONG COLOMBIAN COAST ALSO RELAXES A LITTLE...BUT NOT TILL LATE 
WED.

MADE SLIGHT CHANGES AGAIN TO TIMING NEXT FRONT ON THIS MORNINGS 
FORECAST PACKAGE PER NEW GUIDANCE. FRONT EXPECTED TO MOVE INTO 
NW GULF OF MEXICO WATERS JUST PRIOR TO SUNRISE MON...AND OFF GA 
COAST NOW 12 HOURS LATER...AT SUNSET TUE. FRONT STILL PROGGED TO 
HAVE PLENTY EASTWARD PUSH OVER N ATLC WATERS N OF 26N...BUT TO 
STALL ALONG 25-26N W OF THE BAHAMAS WED AND WASH OUT E OF 
BAHAMAS. THE STALLED SEGMENT OF FRONT WILL BEGIN TO MOVE N WED 
NIGHT REACHING THE NORTHERN GULF OF MEXICO COASTAL PLAINS LATE 
THU NIGHT. GFS STILL SUGGESTING FRONTAL WAVE LOW DEVELOPMENT W 
GULF OF MEXICO...BUT IN ANY EVENT A NEW COLD FRONT WILL MOVE 
INTO FORECAST AREA ALONG PSN 31N78W 27N90W 18N95W LATE FRI 
NIGHT. WINDS EXPECTED TO INCREASE TO 20-30 KT N AND W OF INITIAL 
FRONT EXCEPT TO GALE FORCE 25 TO 40 KT SW GULF OF MEXICO...AND 
THIS GALE NOW EXPECTED TO LAST LONGER WELL INTO WED. GFS HINTING 
AT ANOTHER GALE BEHIND SECOND COLD FRONT BUT NOT STILL DAYLIGHT 
SAT.

WARNINGS...
ATLANTIC...
NONE.

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE. GALE CONDITIONS EXPECTED GMZ082 MON NIGHT INTO WED.

FORECASTER NELSON