000 AGXX40 KNHC 121753 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT TUE JUL 12 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... HIGH PRES ACROSS THE NORTHERN GULF ALONG 27N/28N. LIGHT AND VARIABLE WINDS ACROSS NORTHERN HALF OF GULF WITH SEAS 1-2 FT WHILE MODERATE E-SE WINDS WITH SEAS 2-4 FT ELSEWHERE THROUGH SAT. ANOTHER TROPICAL WAVE NOW MOVING ACROSS WESTERN CARIBBEAN EXPECTED TO ENTER OVER SW GULF ZONE WED WITH SCATTERED SHOWERS AND TSTMS GIVEN THE EXPECTED FAVORABLE UPPER LEVEL ENVIRONMENT. SOUTHWEST NORTH ATLC... ATLC SURFACE RIDGE MAINTAIN GOOD SUPPORT AT MID AND UPPER LEVELS. RIDGE HOLDS ITS PLACE THROUGH THU WHEN WEAK LOW PRES CENTER AND ASSOCIATED COLD FRONT BRUSH NE CORNER OF AREA. RIDGE WEAKENS AND GIVES WAY TO COLD FRONT FRI. THE FRONT MOVES RAPIDLY E AND THE RIDGE RE-BUILDS OVER THE WEEKEND. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... TROPICAL WAVE S OF 18N ALONG 85W...WITH SCATTERED MODERATE TO STRONG TSTMS ALONG THE WAVE AXIS. AN AREA OF NUMEROUS STRONG CONVECTION IS S OF 14N W OF 80W AND S OF 12N BETWEEN 75W-80W. PREVIOUS AREA OF VERY STRONG ELY TRADES HAS DIMINISHED ACROSS THE CENTRAL CARIBBEAN...HOWEVER ELY WINDS HAVE INCREASED TO 20-25 KT ACROSS THE NW CARIBBEAN S OF 18N E OF 85W. SEAS ARE FORECAST TO BUILD TO 12 FT IN THIS AREA BY THE WEEKEND. ANOTHER TROPICAL WAVE WILL CROSS INTO EASTERN CARIBBEAN FROM TROPICAL ATLC ZONE THIS EVENING...INTO CENTRAL CARIBBEAN WED AND THU AND WESTERN CARIBBEAN FRI AND SAT AND W OF THE AREA SUN. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER DGS 000 AGXX40 KNHC 121753 MIMATS MARINE WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT TUE JUL 12 2011 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND TROPICAL N ATLC...AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... HIGH PRES ACROSS THE NORTHERN GULF ALONG 27N/28N. LIGHT AND VARIABLE WINDS ACROSS NORTHERN HALF OF GULF WITH SEAS 1-2 FT WHILE MODERATE E-SE WINDS WITH SEAS 2-4 FT ELSEWHERE THROUGH SAT. ANOTHER TROPICAL WAVE NOW MOVING ACROSS WESTERN CARIBBEAN EXPECTED TO ENTER OVER SW GULF ZONE WED WITH SCATTERED SHOWERS AND TSTMS GIVEN THE EXPECTED FAVORABLE UPPER LEVEL ENVIRONMENT. SOUTHWEST NORTH ATLC... ATLC SURFACE RIDGE MAINTAIN GOOD SUPPORT AT MID AND UPPER LEVELS. RIDGE HOLDS ITS PLACE THROUGH THU WHEN WEAK LOW PRES CENTER AND ASSOCIATED COLD FRONT BRUSH NE CORNER OF AREA. RIDGE WEAKENS AND GIVES WAY TO COLD FRONT FRI. THE FRONT MOVES RAPIDLY E AND THE RIDGE RE-BUILDS OVER THE WEEKEND. CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W... TROPICAL WAVE S OF 18N ALONG 85W...WITH SCATTERED MODERATE TO STRONG TSTMS ALONG THE WAVE AXIS. AN AREA OF NUMEROUS STRONG CONVECTION IS S OF 14N W OF 80W AND S OF 12N BETWEEN 75W-80W. PREVIOUS AREA OF VERY STRONG ELY TRADES HAS DIMINISHED ACROSS THE CENTRAL CARIBBEAN...HOWEVER ELY WINDS HAVE INCREASED TO 20-25 KT ACROSS THE NW CARIBBEAN S OF 18N E OF 85W. SEAS ARE FORECAST TO BUILD TO 12 FT IN THIS AREA BY THE WEEKEND. ANOTHER TROPICAL WAVE WILL CROSS INTO EASTERN CARIBBEAN FROM TROPICAL ATLC ZONE THIS EVENING...INTO CENTRAL CARIBBEAN WED AND THU AND WESTERN CARIBBEAN FRI AND SAT AND W OF THE AREA SUN. WARNINGS... ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER DGS