000
FZNT25 KNHC 232135
OFFN04

NAVTEX MARINE FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
535 PM EDT THU AUG 23 2012

...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE
THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED
COASTAL WATERS FORECASTS...

SOUTHEAST GULF OF MEXICO

.SYNOPSIS...A SURFACE RIDGE AXIS EXTENDS FROM HIGH PRES OVER
NORTHERN FLORIDA SW TO THE WESTERN GULF. THE RIDGE IS EXPECTED
TO SLIDE NORTHWARD AS TROPICAL STORM ISAAC...CURRENTLY WELL SE
OF THE GULF...IS FORECAST TO MOVE NW ACROSS THE STRAITS OF
FLORIDA LATE SUN AND APPROACH SW FLORIDA AS A HURRICANE MON THEN
MOVE N-NW ACROSS THE E GULF TUE. 

.TONIGHT...E WINDS 10 TO 15 KT...BECOMING NE TO E 15 TO 20 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT. 
.FRI...NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.FRI NIGHT...NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. 
.SAT...NE TO E WINDS 10 TO 15 KT...INCREASING TO 15 TO 20 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT. 
.SAT NIGHT...NE TO E WINDS 15 TO 20 KT...INCREASING TO 20 TO
25 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT. 
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...HURRICANE CONDITIONS POSSIBLE. 
.MON NIGHT...HURRICANE CONDITIONS POSSIBLE. 
.TUE...SW WINDS 65 TO 75 KT...DIMINISHING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 13 TO 18 FT. 

WITHIN 200 NM EAST OF THE COAST OF FLORIDA

.SYNOPSIS...TROPICAL STORM ISAAC NEAR 16.0N 67.1W AT 5 PM EDT
MOVING W-NW AT 14 KT. MAXIMUM SUSTAINED WINDS REMAIN 35 KT GUSTS
45 KT. ISAAC WILL CONTINUE ON A W-NW TRACK AND INTENSIFY
GRADUALLY THROUGH FRI NIGHT...REACHING NEAR 16.6N 69.0W LATE
TONIGHT...TO NEAR 17.5N 71.5W FRI AFTERNOON...THEN ACROSS SW
HAITI TO NEAR 18.9N 74.0W LATE FRI NIGHT...THEN INTO SE CUBA
NEAR 20.3N 76.2W SAT AFTERNOON. ISAAC EXPECTED TO MOVE NW ACROSS
CUBA SAT NIGHT AND SUN AND BEGIN TO EXIT THE N CENTRAL COAST OF
CUBA NEAR 23.0N 80.0W SUN AFTERNOON...THEN CONTINUE NW ACROSS
THE STRAITS OF FLORIDA SUN NIGHT AND ACROSS THE W FLORIDA KEYS
AND INTO THE SE GULF OF MEXICO MON. LARGE WIND FIELD OF ISSAC
WILL AFFECT S AND SW PORTIONS THROUGH SUN. TROPICAL STORM JOYCE
NEAR 16.0N 67.1W AT 5 PM EDT MOVING W-NW 14 KT WITH MAXIMUM
WINDS 35 KT GUSTS TO 45 KT. JOYCE EXPECTED TO MOVE NW AND SLOWLY
STRENGTHEN BY SAT...MOVING ACROSS EXTREME NE PORTIONS SUN.  

.TONIGHT...S OF 27N...NE TO E WINDS 15 TO 20 KT. N OF 27N...S
WINDS 5 TO 10 KT...BECOMING E TO SE 10 TO 15 KT AFTER MIDNIGHT.
SEAS 3 TO 5 FT. 
.FRI...NE TO E WINDS 15 TO 20 KT S OF 27N...AND NE TO E 10 TO
15 KT N OF 27N. SEAS 3 TO 5 FT. 
.FRI NIGHT...S OF 27N...NE TO E WINDS 15 TO 20 KT...INCREASING
TO 20 TO 25 KT AFTER MIDNIGHT. N OF 27N...E WINDS 10 TO 15 KT.
SEAS 5 FT...BUILDING TO 7 FT AFTER MIDNIGHT. 
.SAT...S OF 27N...NE TO E WINDS 20 TO 25 KT...INCREASING TO
25 TO 30 KT IN THE AFTERNOON. N OF 27N...NE TO E WINDS 10 TO
15 KT. SEAS 6 TO 9 FT. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S OF 27N...NE
TO E WINDS 30 TO 35 KT...INCREASING TO 40 TO 45 KT AFTER
MIDNIGHT. N OF 27N...NE TO E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT.
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON NIGHT...SE TO S WINDS 25 TO 30 KT. SEAS 8 TO 11 FT. 
.TUE...SE TO S WINDS 20 TO 25 KT. SEAS 7 TO 10 FT.