000
AGXX40 KNHC 231826
MIMATS

MARINE WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
230 PM EDT MON AUG 23 2010

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

GULF OF MEXICO...
WEAK PRES GRADIENT ACROSS THE GULF OF MEXICO WITH GENTLE TO 
MODERATE WINDS ACROSS THE AREA AS INDICATED BY THE LATEST BUOY 
AND CMAN OBSERVATIONS. A TROUGH IS CURRENTLY IN THE MIDDLE AND 
EASTERN GULF. MOSTLY LIGHT WINDS WILL PREVAIL ACROSS THE AREA 
THROUGH THU. SE WINDS WILL INCREASE TO 15 KT OVER THE SW GULF AS 
LOWER PRES IS FORECAST TO DEVELOP IN THE BAY OF CAMPECHE 
TIGHTENING THE GRADIENT ON FRI.

SW N ATLC...
ATLC RIDGE WILL PREVAIL ALONG 27N THROUGH THE FORECAST PERIOD. 
AS LOW PRES APPROACHES THE SE U.S. TONIGHT...THE PRESSURE 
GRADIENT WILL TIGHTEN TO PRODUCE FRESH SW WINDS TO 20 KT ACROSS 
THE NW PORTION OF THE AREA. FRESH WINDS WILL PREVAIL OVER THE NW 
PORTION THROUGH WED THEN WILL DECREASE TO BELOW 20 KT AS THE LOW 
AND ASSOCIATED TROUGH MOVE TO THE NE. OTHERWISE...A WEAK PRES 
PATTERN WILL PREVAIL ACROSS THE REMAINDER OF THE AREA WITH 
MODERATE WINDS THROUGH FRI. DANIELLE WILL MOVE ACROSS THE FAR E 
PORTION OF THE AREA...MAINLY E OF 65W THU AND FRI...WITH 
ASSOCIATED ELY SWELLS BUILDING OVER THE FAR E PORTION OF THE 
AREA.

CARIBBEAN SEA AND TROPICAL N ATLC...
MODERATE TO FRESH E-SE WINDS IN THE 15-20 KT RANGE PREVAIL 
ACROSS THE NW CARIBBEAN S OF 18N AND W OF 85W. THESE WINDS WILL 
CONTINUE THROUGH EARLY WED THEN DECREASE BY WED AFTERNOON. ELY 
TRADES OF 15-20 KT WILL PREVAIL OVER MUCH OF THE CENTRAL 
CARIBBEAN...AND WILL CONTINUE THROUGH WED NIGHT BEFORE 
DIMINISHING THU AND FRI AS THE ATLANTIC RIDGE WEAKENS AND THE 
PRESSURE PRES GRADIENT DECREASES. WINDS ARE EXPECTED TO INCREASE 
OVER THE NE PORTION OF TROPICAL N ATLC WED THROUGH FRI ALONG 
WITH BUILDING SEAS IN NE TO E SWELLS AS DANIELLE PASSES JUST E 
OF THE AREA.

WARNINGS...

SW N ATLC...
.NONE.

CARIBBEAN...
.NONE.

.GULF OF MEXICO...
.NONE.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$
FORECASTER AL