000
AGXX40 KNHC 301547
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1200 PM EDT SAT JUN 30 2007

MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA
AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

GULF OF MEXICO...A WEAK LOW LEVEL TROUGH EXTENDS OFF FL W COAST 
ALONG 26N TO NEAR 26N85W...AND IS EXPECTED TO LOSE IDENTITY 
TONIGHT. A WEAK HIGH PRES CENTERED NEAR 27N88W WILL MEANDER 
THROUGH THE WEEKEND AND EVENTUALLY MERGE WITH THE ATLC RIDGE 
BUILDING FROM THE STRAITS OF FL TO SE LA BY THE MIDDLE OF THE 
WEEK. NE 15-20 KT FLOW CURRENTLY ALONG THE W COAST OF THE 
YUCATAN PENINSULA WILL GRADUALLY BECOME ELY SUN...AND CONTINUE 
AT 15-20 KT OVER THE WATERS S OF 23N BETWEEN 90W AND 95W THROUGH 
TUE. THE NORTHERN EXTENSION OF A TROPICAL WAVE WILL INCREASE ELY 
WINDS AND PRECIP CHANCE OVER SOUTHERN WATERS TUE THROUGH THU. 
OTHERWISE ELY RETURN FLOW AT 10 TO 15 KT AROUND OUTSIDE 
PERIPHERY OF RIDGE THROUGH THU.
        
SW ATLC...AN E TO W RIDGE ALONG 29N WILL SHIFT S TO ALONG 28N 
SUN AFTERNOON IN ADVANCE OF WEAK COLD FRONT MOVING OF SE GA 
COAST LATE SUN NIGHT. LATEST MODEL RUNS STALL FRONT ALONG PSN 
FROM BERMUDA TO 30N75W TO CENTRAL FL E COAST MON NIGHT. NLY FLOW 
WILL BRIEFLY INCREASE TO 15-20 KT NW OF FRONT MON NIGHT AND 
EARLY TUE SENDING NE SWELL SW TO THE FL NE COAST COAST. THE 
RIDGE SHIFTS S TO ALONG 25N TUE WITH SW FLOW ALSO INCREASING 
BRIEFLY TO 15 TO 20 KT JUST AHEAD OF FRONT...BUT DIMINISHING AS 
FRONT STALLS. RIDGE BRIDGES BACK W ALONG 28N THROUGH FRONTAL 
REMNANTS WED WITH SW FLOW 15 KT N OF RIDGE THU. ELY WINDS PICK 
UP WELL S OF RIDGE E OF BAHAMAS WED AND THU TO 15 KT. WINDS 
MOSTLY SLY 5-10 KT W OF THE NORTHERN BAHAMAS THROUGH THE PERIOD 
WITH SEAS 1-2 FT.    

TROPICAL ATLC ZONE...E WINDS 10-15 KT N OF 17N WITH SEAS IN 3-5 
FT RANGE THROUGH PERIOD. NE-E WINDS 15-20 KT S OF 17N WILL 
DIMINISH TO 10-15 KT SUN AND CONTINUE THROUGH WED...THEN 
INCREASE WED NIGHT AS TROPICAL WAVE APPROACHES 55W.  

CARIBBEAN...NE-E TRADES AT 20-25 KT S OF 17N BETWEEN 64W AND 80W 
WITH SURGES TO 30 KT NEAR COLOMBIA COAST. EARLY NEXT WEEK THE 
AREA OF BRISK TRADES WILL EXPAND TO COVER ALL WATERS S OF 18N AS 
ATLC RIDGE TO N SHIFTS S AND TROPICAL WAVE MOVES THROUGH THE W 
CARIBBEAN.  TRADES DIMINISH SLIGHTLY THE MIDDLE OF NEXT WEEK AS 
ATLC RIDGE SHIFTS N AGAIN.     

WARNINGS...
ATLANTIC...NONE.

CARIBBEAN...NONE.

GULF OF MEXICO...NONE.

FORECASTER NELSON