000
AGXX40 KNHC 011832
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
230 PM EDT THU OCT 01 2009

UPPER LEVELS...
TROUGH FROM BERMUDA TO ACROSS WESTERN CUBA TO THE GULF OF 
HONDURAS WILL REMAIN STATIONARY NORTH OF CUBA AND DRIFT EAST 
SOUTH OF CUBA WHILE WEAKENING. THE TROUGH WILL BECOME DIFFUSE 
SATURDAY. A STRONG MIDDLE LATITUDE SHORTWAVE WILL MOVE ACROSS 
THE EASTERN UNITED STATES FRIDAY THROUGH SUNDAY WITH MODERATE 
WESTERLIES OVER THE NORTHERN GULF AND THE NORTHWESTERN PART OF 
THE ATLANTIC AREA FRIDAY THROUGH SUNDAY AND THE NORTHERN PART OF 
THE ATLANTIC AREA MONDAY AND BY TUESDAY THE NORTHEAST PART OF 
THE ATLANTIC AREA.

A RIDGE WILL BUILD ACROSS THE AREA ALONG 22N AS THE TROUGH 
DISSIPATES AND EXPAND NORTHWARD IN THE WAKE OF THE MIDDLE 
LATITUDE SHORTWAVE. THE RIDGE WILL COVER MOST OF THE OFFSHORE 
AREA BY TUESDAY.

SURFACE...
THE SURFACE PATTERN EVOLUTION WILL BE SIMILAR TO THE UPPER 
PATTERN EVOLUTION. THE PRESSURE GRADIENT WILL BE WEAK OVER MOST 
OF THE AREA THROUGH THE PERIOD. THE STRONGEST WINDS WILL BE IN 
THE SOUTH CENTRAL CARIBBEAN THROUGH SUNDAY THEN THESE WINDS WILL 
BECOME LESS THAN NORMAL MONDAY AND TUESDAY. ALSO WINDS OF UP TO 
20 KNOTS WILL BE NEAR A COLD FRONT THAT WILL MOVE THROUGH THE 
NORTHEAST PART OF THE ATLANTIC AREA MONDAY AND PASS WELL EAST 
OF THE AREA TUESDAY. RETURN FLOW IN THE WESTERN GULF WILL 
APPROACH 20 KT TONIGHT THEN BEGIN AGAIN ON SATURDAY NIGHT 
LASTING THROUGH TUESDAY. OTHERWISE THE WINDS WILL BE 15 KNOTS OR 
LESS.

WARNINGS...

ATLC...
.NONE.

CARIBBEAN...
.NONE.

GULF OF MEXICO...
.NONE

$$
FORECASTER LL