000
AGXX40 KNHC 011821
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
220 PM EDT SAT SEP 1 2007

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

ANIMATED SATELLITE IMAGERY SHOWS TROPICAL STORM FELIX STEADILY 
INTENSIFYING IN THE SE CARIBBEAN. FELIX IS EXPECTED TO BECOME A 
HURRICANE WITHIN THE NEXT 24 HOURS. HURRICANE CONDITIONS ARE 
EXPECTED N OF 13N IN THE E CARIBBEAN AND N OF 14N IN THE W 
CARIBBEAN. A HURRICANE WARNING WILL BE ISSUED THIS AFTERNOON FOR 
A PORTION OF THE E CARIBBEAN BASED ON THE 5 PM ADVISORY.

A MID-LATITUDE TROUGH EXTENDS JUST S OF 30N E OF 75W. WINDS ARE SW E 
OF THE TROUGH AXIS BUT LIGHT AND VARIABLE W OF THE TROUGH. THE TROUGH
WILL WEAKEN AND SHIFT E OF THE SW ATLC FORECAST AREA TONIGHT. A RIDGE
EXTENDS ACROSS THE NORTHERN PART OF THE DISCUSSION AREA FROM 29N55W 
TO 26N67W TO 26N98W. LIGHT WINDS ALONG THE RIDGE AXIS ARE PRODUCING 
SEAS 2 TO 4 FT IN THE ATLANTIC AND AROUND 1 FT IN THE GULF. THE ONLY 
WINDS GREATER THAN 15 KT AND SEAS HIGHER THAN 5 FT ARE LOCATED S OF 
20N IN THE TROPICAL EAST ATLC AND E CARIBBEAN...LARGELY DUE TO FELIX.

THE RIDGE REMAINS IN PLACE ACROSS THE NORTHERN PORTION...WITH THE 
AXIS OF LIGHT AND VARIABLE WINDS ALONG 27N/28N...THROUGH TUE. A WEAK 
LOW PRES REMAINS NEARLY STATIONARY IN N FLORIDA UNTIL TUE NIGHT. 
AFTER THE LOW MOVES OFF THE SE U.S. COAST IT SHOULD PRODUCE SLIGHTLY 
HIGHER WINDS AND SEAS N OF 28N AS IT SLIDES SLOWLY EASTWARD TO NEAR 
31N68W BY THU.

THE AREAS AFFECTED BY FELIX SHOULD BE SOMEWHAT SIMILAR TO HURRICANE 
DEAN LAST MONTH...CONFINED PRIMARILY TO THE CARIBBEAN BASIN WITH 
LITTLE EFFECT IN MOST OF THE GULF OF MEXICO UNTIL LATE IN THE PERIOD.

WARNINGS...
SUBJECT TO CHANGE BASED ON LATEST NHC ADVISORY.

ATLANTIC...
NONE.

CARIBBEAN...
AMZ086...HURRICANE WARNING N OF 13N W OF 70W.

GULF OF MEXICO... 
NONE.

FORECASTER MUNDELL