000
AGXX40 KNHC 280727
MIMATS

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
345 AM EDT THU JUN 28 2012

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

GULF OF MEXICO...
LIGHT TO MODERATE WINDS WILL PREVAIL ACROSS THE GULF WATERS 
TODAY AND FRI WITH SEAS OF 1-3 FT. THE HIGH PRES OVER THE 
TENNESSEE VALLEY WILL PUSH SOUTH INTO THE NE GULF THIS MORNING 
IN THE WAKE OF A WEAK COLD FRONT CURRENTLY MOVING ACROSS 
SOUTH-CENTRAL FLORIDA.  A WEAK TROUGH WILL MOVE ALONG THE SW 
PERIPHERY OF THE HIGH PRES FROM YUCATAN INTO THE CENTRAL 
GULF...THEN DISSIPATE LATE TODAY. GLOBAL MODELS SHOW THE SE 
RETURN FLOW INCREASING TO 15-20 KT OVER THE FAR WESTERN GULF 
THIS WEEKEND. THE FORECAST INDICATES MODERATE TO FRESH SE FLOW 
THROUGH THE WEEKEND. 

SOUTHWEST NORTH ATLC S OF 31N W OF 65W...
DEBBY LOST RAPIDLY ITS TROPICAL CHARACTERISTICS AS IT MOVES INTO 
THE ATLC WATERS OFF NE FLORIDA. AT 28/0000 UTC IT WAS ABSORBED 
BY A FRONTAL BOUNDARY. THE 0242 HIGH RESOLUTION ASCAT PASS SHOWS 
VERY WELL THE STRONG WINDS ASSOCIATED WITH THE REMNANTS OF DEBBY 
THAT IS STILL PRODUCING GALE FORCE WINDS WITHIN 90 NM IN THE SE 
QUADRANT OF THE LOW. MODEL GUIDANCE INDICATES THAT WINDS WILL BE 
BELOW GALE FORCE IN ABOUT 24 HOURS AS THE LOW PRES...REMNANTS OF 
DEBBY...MOVES TO NEAR 31N72W. A GALE WARNING WILL REMAIN IN 
EFFECT DURING THE NEXT 24 HOURS. EXPECT SEAS OF 9-13 FT IN THE 
AREA OF THE 30 TO 35 KT WINDS. THE LOW PRES WILL MOVE N OF AREA 
FRI MORNING. HIGH PRES RIDGE EXTENDING EAST TO WEST WILL LIFT N 
TO ALONG 26/27N BY SAT IN THE WAKE OF THE LOW PRES.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
MODERATE TO FRESH E TO SE TRADES WILL PREVAIL ACROSS MUCH OF THE 
CARIBBEAN...WITH OCCASIONALLY HIGHER WINDS ALONG THE N COAST OF 
SOUTH AMERICA AS A RIDGE BUILDS W ALONG 25N THROUGH SAT BEFORE 
SHIFTING TO 27N EARLY NEXT WEEK. AN EARLIER ASCAT PASS PROVIDE 
OBSERVATIONS OF 25-30 KT WINDS NEAR THE COAST OF COLOMBIA. A 
POORLY DEFINED TROPICAL WAVE WITH AXIS ALONG 77W WILL SHIFT W 
THROUGH THE WESTERN CARIBBEAN TODAY AND FRI REACHING THE COAST 
OF YUCATAN FRI EVENING. A MUCH MORE WELL DEFINED TROPICAL WAVE 
NEAR 42W S OF 16N WILL PASS W OF 55W BY LATE SAT...AND INTO THE 
FAR SE CARIBBEAN BY LATE SUN OR EARLY MON. THIS WAVE CONTINUES 
TO PRODUCE DISORGANIZED SHOWERS AND A FEW THUNDERSTORMS. THIS 
SYSTEM HAS A LOW CHANCE OF BECOMING A TROPICAL CYCLONE DURING 
THE NEXT 48 HOURS. 

NOTE...GRIDDED MARINE OUTPUT IS AVAILABLE AT 
WWW.NHC.NOAA.GOV/TAFB/GRIDDED_MARINE (LOWER CASE)

GULF OF MEXICO...
.NONE.

CARIBBEAN SEA...
.NONE.

SW N ATLANTIC...
.NONE.
    
FOR ADDITIONAL INFORMATION PLEASE VISIT
WWW.HURRICANES.GOV/MARINE

$$
FORECASTER GR