000 AGXX40 KNHC 271831 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 245 PM EDT TUE JUL 27 2010 MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... A 1021 MB HIGH CENTERED NEAR 28N86W WITH A RIDGE W TO 95W WILL REFORM OVER THE NW WATERS THU THROUGH SAT AS A FRONTAL TROUGH MOVES INTO THE NE PORTION VEERING WINDS TO THE W AND NW. A TROUGH OVER THE BAY OF CAMPECHE ALONG 95W S OF 23N WILL MOVE TO NEAR THE COAST TONIGHT. BUOY 42055 JUST E OF THE TROUGH AXIS IS REPORTING SE WINDS OF 20 KT AND SEAS UP TO 6 FT. AN EARLIER ASCAT PASS ALSO SHOWED SE WINDS OF 20 KT E OF THE TROUGH TO 90W. WINDS WILL REMAIN RATHER LIGHT ALONG WITH LOW SEA STATE VALUES ACROSS THE N WATERS DUE TO THE PRESENCE OF THE HIGH PRES DURING MOST OF THE FORECAST PERIOD WITH THE EXCEPTION OF SE WINDS IN THE 15 TO 20 KT RANGE ACROSS THE WESTERN GULF N OF 25N W OF 94W TONIGHT AND EARLY WED. SW N ATLC... A 1021 MB HIGH IS CENTERED NEAR 27N76W WITH A RIDGE WESTWARD TO ACROSS FLORIDA AND INTO THE GULF OF MEXICO. THE RIDGE WILL SHIFT SLIGHTLY S AND WEAKEN THROUGH WED AS A COLD FRONT THAT CURRENTLY EXTENDS ALONG 31N W OF 65W CLIPS THE NE WATERS. EXPECT SE TO S WINDS OF 10 TO 15 KT AHEAD OF THE FRONT WITH MOSTLY LIGHT WINDS W OF THE FRONT. THE ATLC RIDGE WILL AGAIN BUILD WWD ACROSS THE AREA BY THU AS THE FRONT WEAKENS. WINDS OVER THE NORTHERN WATERS ARE FORECAST TO BECOME SW 10-15 KT WITH POSSIBLE HIGHER WINDS IN THE 15-20 KT RANGE ALONG AND N OF 30N FRI. WAVEWATCH BUILDS SEAS TO 4-5 FT N OF 30N E OF 77W FRI AND SAT. A BELT OF ELY WINDS OF 15 TO 20 KT WILL PERSIST S OF 22N PARTICULARLY TONIGHT AND WED. CARIBBEAN SEA AND TROPICAL N ATLC... A RECENT ASCAT PASS SHOWED NE TO E WINDS OF 25 TO 30 KT NEAR THE COAST OF COLOMBIA WITH A LARGE AREA OF WINDS IN THE 20 TO 25 KT RANGE COVERING PARTS OF THE EASTERN AND CENTRAL CARIBBEAN MAINLY BETWEEN 68W AND 80W. THIS WEATHER PATTERN IS FORECAST TO PERSIST DURING THE NEXT 48 HOURS...BUT SHOULD BEGIN TO SLACKEN SOME IN ABOUT 24 HOURS. LATEST SEA STATE ANALYSIS SHOWED SEAS IN THE RANGE OF 9-11 FT IN THE SW ZONE. A TROPICAL WAVE IS ALONG 58W/59W S OF 18N MOVING W 15-20 KT. THE WAVE SHOULD ENTER THE EASTERN CARIBBEAN SEA THIS AFTERNOON...THEN REACH NEAR 65 WED MORNING...NEAR 76W THU MORNING...AND TO NEAR 82W FRI MORNING. THE WAVE WILL MOVE ACROSS THE REMAINDER OF THE WESTERN CARIBBEAN ON FRI AND W OF THE AREA EARLY SAT. PRESENTLY...THE WAVE IS GENERATING SCATTERED TSTM ACTIVITY OVER THE TROPICAL N ATLC S OF 14N. ANOTHER TROPICAL WAVE...CURRENTLY SHOWING A LARGE LATITUDINAL EXTENT...IS WELL E OF THE AREA OVER THE EASTERN ATLANTIC. THIS WAVE IS PROJECTED TO INCREASE ITS FORWARD SPEED AND ENTER THE EASTERN SECTION OF THE TROPICAL N ATLC ZONE THU...AND MOVE THROUGH THE REMAINDER OF THAT ZONE THROUGHOUT THU BEFORE ENTERING THE EASTERN CARIBBEAN SEA FRI...AND THE CENTRAL CARIBBEAN SAT. LATEST MODEL GUIDANCE HINTS AT INCREASING WINDS WITH THIS WAVE...WITH SEAS POSSIBLY BUILDING UP TO 9 FT. WARNINGS... SW N ATLC... .NONE. CARIBBEAN... .NONE. .GULF OF MEXICO... .NONE. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORECASTER GR/JA