000
AGXX40 KNHC 220607
MIMATS

MARINE WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT SUN AUG 22 2010

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

WEAK RIDGE ACROSS THE GULF OF MEXICO ALONG 26N WILL WEAKEN 
FURTHER AND MOVE S AS A TROUGH MOVES ACROSS THE NORTHERN GULF
TONIGHT. SW WINDS INCREASE TO 15 KT N OF 25N E OF THE TROUGH
MON THROUGH TUE NIGHT THEN DECREASE WED AS THE TROUGH PULLS
NE. ELY WINDS 20 KT IN THE SW GULF EARLY TODAY THEN DECREASE TO 
BELOW 20 KT BY THIS AFTERNOON. OTHERWISE MOSTLY LIGHT WINDS 
ACROSS THE GULF THROUGH THU.

THE NORTHERN PORTION OF A TROPICAL WAVE IN THE SE PORTION OF THE 
ATLC ZONE CURRENTLY S OF 25N ALONG 68W WILL MOVE ACROSS THE SE 
AND CENTRAL BAHAMAS LATER TODAY THROUGH MON THEN WEAKEN AS MOVES 
ACROSS THE FAR SW PORTION OF THE AREA AND STRAITS OF FLORIDA MON 
NIGHT INTO TUE. THE WAVE WILL BE FOLLOWED BY A BRIEF INCREASE IN 
ELY WINDS. OTHERWISE LIGHT WINDS ACROSS THE AREA TODAY...THEN 
SLY WINDS INCREASE SOME TONIGHT OVER THE NORTHENRN PORTION OF 
THE AREA AS THE PRES GRADIENT TIGHTENS BETWEEN AN APPROACHING 
TROUGH OVER THE SE U.S. AND THE ATLC RIDGE. THE SLY WINDS 
INCREASE TO 20 KT N OF AROUND 27N/28N MON AND TUE. THE WINDS 
DECREASE AS THE TROUGH MOVES NE AND THE GRADIENT WEAKENS WED
AND THU.

ELY WINDS TO 20 KT OVER THE NW CARIBBEAN S OF 18N W OF 85W WILL 
FINALLY DECREASE TO BELOW 20 KT BY MON AFTERNOON. ELY TRADES OF 
15-20 KT OVER MUCH OF THE CENTRAL CARIBBEAN WILL CONTINUE 
THROUGH WED AS THE PRES GRADIENT INCREASES DUE TO BUILDING ATLC 
RIDGING NE OF THE LEEWARD ISLANDS. N TO NE WINDS INCREASE OVER 
THEN NE PORTION OF THE TROPICAL ATLC ZONE AS WHAT IS CURRENTLY 
TROPICAL DEPRESSION SIX MOVES JUST NE OF THE AREA AS A HURRICANE 
THU. LARGE SWELLS OF UP TO 16 FT ARE ALSO POSSIBLE.

WARNINGS...

SW N ATLC...
.NONE.

CARIBBEAN...
.NONE.

.GULF OF MEXICO...
.NONE.

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

$$
FORECASTER DGS