000
AGXX40 KNHC 170831
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
400 AM EDT WED JUN 17 2009

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

GULF OF MEXICO...
HIGH PRES ANCHORED OVER N-CENTRAL GULF WATERS REMAINS IN CONTROL 
ACROSS MUCH OF REGION PRODUCING GENTLE TO MODERATE BREEZE AND SEAS 
UNDER 4 FT OVER E HALF OF GULF.  ONLY FLIES IN THE OINTMENT ARE 
FRESH SLY BREEZE N OF 25N W OF 95W AND OCCASIONAL MODERATE TO FRESH 
BREEZE S OF 23N WITHIN 120 NM E OF AXIS OF TROPICAL WAVE OVER 
YUCATAN PENINSULA.  WINDS AND SEAS EXPECTED TO INCREASE BEHIND 
SURFACE TROUGH MOVING ACROSS BAY OF CAMPECHE TODAY.  MODERATE TO 
FRESH  BREEZE WITH SEAS TO 7 FT FOLLOW TROUGH AXIS.  TROPICAL WAVE 
PRESENTLY ALONG 83W FOLLOWS TROUGH ACROSS BAY OF CAMPECHE THU AND 
FRI.  WEAK COLD FRONT MOVE INTO NE WATERS THU AND DISSIPATE FRI.  
LIGHT WINDS BRIEFLY SHIFT NW IN WAKE OF FRONT. 

CARIBBEAN AND TROPICAL N ATLC W OF 55W...
TRADE WINDS HAVE INCREASED TO 25 KT JUST OFFSHORE COAST OF COLOMBIA 
IN RESPONSE TO TIGHTENING PRES GRADIENT BETWEEN ATLC RIDGE N OF AREA 
AND LOW PRES OVER SOUTH AMERICA BUILDING SEAS TO 6-9 FT.  CONDITIONS 
EXPECTED TO PERSIST THROUGH SAT.  TROPICAL WAVE ALONG 88W CONTINUE 
TO MOVE W REACHING YUCATAN PENINSULA LATER TODAY.  SIGNIFICANT SEAS 
TO 8 FT EXPECTED BEHIND WAVE AXIS.  

SUBTROPICAL ATLC W OF 65W...    
WEAK RIDGE FROM 28N65W TO STRAITS OF FLORIDA THROUGH SUN.  LOW PRES 
DEVELOP OFF COAST N OF AREA LATER TODAY AND SLOWLY MOVE NE 
INCREASING SW FLOW OVER N WATERS FRI AND SAT THEN DIMINISHING ON 
SUN.  ATTENDANT COLD FRONT WILL CLIP NW CORNER OF AREA WED. 

WARNINGS
ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE.

FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.