000 AGXX40 KNHC 241843 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 215 PM EDT FRI JUL 24 2009 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... GENERALLY TRANQUIL MARINE CONDITIONS PREVAIL ACROSS MUCH OF THE SRN GULF REGION TODAY THANKS TO THE INFLUENCE OF A SURFACE RIDGE WITH A WEAK 1016 MB HIGH LOCATED NEAR 27N86W. THIS FEATURE IS PRODUCING MAINLY LIGHT WINDS N OF 23N. FARTHER TO THE SOUTH...A TROPICAL WAVE IS EXITING THE BAY OF CAMPECHE GENERATING SOME SHOWER AND TSTMS ACTIVITY OVER THE SW BAY OF CAMPECHE AND S MEXICO. ANOTHER TROPICAL WAVE PRESENTLY OVER THE NW CARIBBEAN ALONG 85W WILL TRAVERSE THE BAY OF CAMPECHE SAT. A FEW SHOWERS ARE NOTED OVER THE NORTH GULF WATERS N OF 28N AHEAD OF A STATIONARY FRONT LYING OVER THE N GULF STATES. THIS FRONTAL BOUNDARY IS EXPECTED TO BECOME ILL DEFINED SAT. HIGHEST WINDS AND SEAS ARE OCCURRING S OF 23N WITH SE FLOW 10 KT AND SEAS 2-3 FT...AND WITH TYPICAL EVENING NELY FLOW ALONG THE NW AND W COASTS OF THE YUCATAN AROUND 15-20 KT. THE WEAK RIDGE ACROSS THE N GULF WILL GRADUALLY SHIFT EASTWARD THROUGH THE WEEKEND. E TO SE FLOW WILL INCREASE ACROSS THE W GULF LATE IN THE WEEKEND. CARIBBEAN... TWO TROPICAL WAVES REMAIN IN THE CARIBBEAN MOVING RAPIDLY WWD NEAR 25-30 KT. ONE IS S OF HAITI ALONG 73W AND WILL MOVE TO THE WESTERN CARIBBEAN DURING THE NEXT 24 HOURS. THE OTHER TROPICAL WAVE IS OVER THE NW CARIBBEAN ALONG 85W. THE WAVES ARE ACCOMPANIED BY FRESH TO STRONG TRADEWINDS AND SOME SHOWER ACTIVITY. THE STRONGEST WINDS AND HIGHEST SEAS ARE ALONG THE COAST OF COLOMBIA. NOAA WAVE WATCH III GUIDANCE INDICATES THAT WINDS WILL INCREASE TO 30 KT AND SEAS WILL BUILD TO 13 OR 14 FT THROUGH THE WEEKEND. A BELT OF MODERATE TO STRONG WINDS WILL COVER A LARGE AREA FROM 50W TO 80W LATE MON INTO TUE AS HIGH PRES OVER THE CENTRAL ATLC MOVES WWD AND STRENGTHENS. THESE WINDS WILL ALSO AFFECT THE SE PORTION OF THE SW ATLC JUST N OF PUERTO RICO AND HISPANIOLA. ATLANTIC S OF 31N W OF 55W... SURFACE RIDGING FROM A 1028 MB HIGH CENTERED OVER THE AZORES DOMINATES THE AREA. RIDGE AXIS IS PREDOMINATELY N OF 31N MAKING SURFACE WINDS PREDOMINATELY E-SE 10-15 KT TRADEWINDS. SEAS ARE PREDOMINATELY BETWEEN 4 AND 6 FT. AS PREVIOUSLY MENTIONED... WINDS AND SEAS WILL INCREASE OVER THE SE PORTION EARLY NEXT WEEK. WARNINGS ATLC... .NONE. CARIBBEAN... .NONE. GULF OF MEXICO... .NONE. $$ FORECASTER FORMOSA