000 AGXX40 KNHC 090825 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 300 AM EDT SAT JUL 09 2011 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... UPPER LEVEL CYCLONIC VORTEX OVER NW GULF DRIFTING W ALLOWS RIDGE TO DOMINATE BASIN WITH MORE STABLE AIR MASS. AREA OF DIVERGENT FLOW WHICH ENHANCED WIDESPREAD CONVECTION OVER EASTERN GULF HAS MOVED OUT OF AREA. DEEP LAYER RIDGE EXPANDS ACROSS 28N PROMPTING LIGHT TO MODERATE E BREEZE ACROSS SOUTHERN HALF OF BASIN AND LIGHT AND VARIABLE WINDS WITH FLAT SEAS OVER N HALF. TROPICAL WAVE MOVING ACROSS CENTRAL CUBA ENTERS GULF TUE AND FIND ITSELF IN A DRY STABLE AIR MASS TO BATTLE AGAINST. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... TROPICAL WAVE S OF 13N ALONG 66W HELPS MAINTAIN TIGHT PRES GRADIENT AGAINST E-W RIDGE OVER SW N ATLC ALONG 27N/28N WHILE IT CROSSES CENTRAL AND WESTERN CARIBBEAN TODAY THROUGH REMAINDER OF FORECAST PERIOD. FRESH TO STRONG BREEZE CHARACTERIZE TRADE WINDS THROUGH MON THEN DIMINISH AS WAVE EXITS BASIN. SEAS TO 11 FT OR HIGHER EXPECTED THROUGH MOST OF BASIN THROUGH FORECAST PERIOD. SOUTHWEST NORTH ATLC... WEAK SURFACE TROUGH WHICH EXITED GULF OF MEXICO LAST NIGHT NOW JUST N OF EXTREME NW CORNER OF ZONE WITH SCATTERED TSTMS REMAINING N OF 29N W OF 78W AND EXPECTED TO DWINDLE LATER TODAY. NORTHERN HALF OF TROPICAL WAVE NOW ACROSS CENTRAL CUBA REACHES 80W LATE TONIGHT. WAVE CROSSES STRAITS OF FLORIDA SUN INTO MON. ATLC STATIONARY RIDGE DOMINATES REMAINDER OF AREA EXTENDING FROM BERMUDA TO 27N80W THROUGH TUE. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES 000 AGXX40 KNHC 090825 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 300 AM EDT SAT JUL 09 2011 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... UPPER LEVEL CYCLONIC VORTEX OVER NW GULF DRIFTING W ALLOWS RIDGE TO DOMINATE BASIN WITH MORE STABLE AIR MASS. AREA OF DIVERGENT FLOW WHICH ENHANCED WIDESPREAD CONVECTION OVER EASTERN GULF HAS MOVED OUT OF AREA. DEEP LAYER RIDGE EXPANDS ACROSS 28N PROMPTING LIGHT TO MODERATE E BREEZE ACROSS SOUTHERN HALF OF BASIN AND LIGHT AND VARIABLE WINDS WITH FLAT SEAS OVER N HALF. TROPICAL WAVE MOVING ACROSS CENTRAL CUBA ENTERS GULF TUE AND FIND ITSELF IN A DRY STABLE AIR MASS TO BATTLE AGAINST. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... TROPICAL WAVE S OF 13N ALONG 66W HELPS MAINTAIN TIGHT PRES GRADIENT AGAINST E-W RIDGE OVER SW N ATLC ALONG 27N/28N WHILE IT CROSSES CENTRAL AND WESTERN CARIBBEAN TODAY THROUGH REMAINDER OF FORECAST PERIOD. FRESH TO STRONG BREEZE CHARACTERIZE TRADE WINDS THROUGH MON THEN DIMINISH AS WAVE EXITS BASIN. SEAS TO 11 FT OR HIGHER EXPECTED THROUGH MOST OF BASIN THROUGH FORECAST PERIOD. SOUTHWEST NORTH ATLC... WEAK SURFACE TROUGH WHICH EXITED GULF OF MEXICO LAST NIGHT NOW JUST N OF EXTREME NW CORNER OF ZONE WITH SCATTERED TSTMS REMAINING N OF 29N W OF 78W AND EXPECTED TO DWINDLE LATER TODAY. NORTHERN HALF OF TROPICAL WAVE NOW ACROSS CENTRAL CUBA REACHES 80W LATE TONIGHT. WAVE CROSSES STRAITS OF FLORIDA SUN INTO MON. ATLC STATIONARY RIDGE DOMINATES REMAINDER OF AREA EXTENDING FROM BERMUDA TO 27N80W THROUGH TUE. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER WALLY BARNES