000 AGXX40 KNHC 200502 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 100 AM EDT SUN JUL 20 2008 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO TROPICAL WAVE IN THE BAY OF CAMPECHE S OF 21N ALONG 93W MOVING W AT 15 KT. THE WAVE WILL KEEP 15-20 KT WINDS THROUGH THIS MORNING THEN DECREASE THIS AFTERNOON. ANOTHER STRONGER TROPICAL WAVE WILL APPROACH THE YUCATAN CHANNEL TONIGHT WITH LOW PRES MOVING INTO THE YUCATAN PENINSULA EARLY MON AND INTO THE BAY OF CAMPECHE LATE MON. THE LOW COULD POSSIBLY BECOME A TROPICAL CYCLONE. THE LOW IS FORECAST TO MOVE ACROSS THE SW GULF TUE THEN APPROACH THE TEXAS/MEXICO BORDER WED. T.S. CRISTOBAL OFF THE CAROLINA COAST WILL PRODUCE 15-20 KT WINDS OVER THE FAR NW PORTION OF THE ATLC ZONE TODAY THEN DECREASE TONIGHT AS THE STORM MOVES N. OTHERWISE HIGH PRES RIDGE ACROSS THE AREA WITH MOSTLY LIGHT WINDS. STRONG TROPICAL WAVE OVER THE WESTERN CARIBBEAN ALONG 81W WITH A 1006 MB LOW ALONG WAVE NEAR 15N81W. TIGHT GRADIENT BETWEEN THE WAVE/LOW AND HIGHER PRES TO THE N HAS INCREASED WINDS TO NEAR GALE FORCE AND A GALE WARNING REMAINS IN EFFECT ACROSS THE NW GULF THROUGH TO NIGHT. THE LOW MAY DEVELOP INTO A TROPICAL CYCLONE WITHIN THE NEXT DAY TO TWO. OTHERWISE STRONG ELY WINDS WILL CONTINUE ACROSS MUCH OF THE CARIBBEAN. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. .FORECASTER DGS. TROPICAL PREDICTION CENTER.