000
AGXX40 KNHC 181716
MIMATS

MARINE WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
110 PM EDT SUN MAY 18 2008

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

WEAKENING STRONG SHORTWAVE IS OVER EAST TEXAS AND WILL CONTINUE 
TO WEAKEN AS IT MOVE EAST ACROSS THE NORTH GULF COAST BECOMING 
DIFFUSE OVER NORTH FLORIDA AND THE EXTREME NORTHWEST PART OF THE 
ATLANTIC AREA. OTHERWISE A LARGE RIDGE IS OVER THE AREA WITH AN 
AXIS OVER THE GREATER ANTILLES. WESTERLIES ARE NORTH OF 25N.  
THE RIDGE WILL BEGIN TO EXPAND NORTHWARD THURSDAY NIGHT WITH THE 
WESTERLIES RETREATING NORTHWARD ALSO. BY FRIDAY BROAD TROUGH 
WILL BE OVER THE ATLANTIC AREA NORTH OF 27N WITH A BROAD RIDGE 
ELSEWHERE.

SOUTHWESTERLY FLOW OF 20 KNOTS WILL PREVAIL MOST OF THE FORECAST 
PERIOD NORTH OF 28N/29N. LESS THAN NORMAL TRADES ARE FORECAST 
THROUGH THE PERIOD WITH 20 KNOTS CONFINED TO SOUTH OF 15N.  
STRONG LOW PRESSURE DEVELOPING IN THE PLAINS STATES WEDNESDAY 
WILL LEAD TO INCREASED SOUTHERLY RETURN FLOW IN THE WEST GULF 
OF MEXICO BEGINNING LATE WEDNESDAY AND COVERING THE WEST HALF OF 
THE GULF THURSDAY AND FRIDAY. OTHERWISE WINDS WILL BE 15 KNOTS 
OR LESS.

WARNINGS...

ATLC...
NONE. 

CARIBBEAN...
NONE.

GULF OF MEXICO...
NONE.

.FORECASTER LL. TROPICAL PREDICTION CENTER.