000
FZNT25 KNHC 240345
OFFN04

NAVTEX MARINE FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1145 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 1019 MB HIGH PRES
OVER THE NE GULF 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 THEN ACROSS THE WESTERN FLORIDA KEYS SUN
EVENING AND INTO THE SE GULF...WHERE IT IS EXPECTED TO INTENSIFY
TO HURRICANE FORCE...REACHING NEAR 27.5N 85.5W MON EVENING...TEN
CONTINUE NNW TUE. 

.OVERNIGHT...NE TO E WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. 
.FRI...NE TO E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. 
.FRI NIGHT...NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SCATTERED SHOWERS AND ISOLATED TSTMS. 
.SAT...NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. 
.SAT NIGHT...NE TO E WINDS 20 TO 25 KT...INCREASING TO 25 TO
30 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...TROPICAL STORM CONDITIONS POSSIBLE. 

WITHIN 200 NM EAST OF THE COAST OF FLORIDA

.SYNOPSIS...TROPICAL STORM ISAAC NEAR 16.7N 68.7W AT 11 PM EDT 
MOVING WNW AT 16 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. 
ISAAC WILL CONTINUE ON A WNW TRACK AND INTENSIFY GRADUALLY 
THROUGH FRI NIGHT...REACHING NEAR 17.5N 70.7W FRI MORNING...THEN
 ACROSS SW HAITI TO NEAR 18.8N 73.1W FRI EVENING...THEN INTO SE 
CUBA NEAR 20.2N 75.4W SAT MORNING. ISAAC EXPECTED TO MOVE NW 
ACROSS CUBA SAT AND BEGIN TO EXIT THE N CENTRAL COAST OF CUBA 
NEAR 21.8N 77.7W SAT EVENING...THEN CONTINUE NW ALONG THE N 
COAST OF CUBA SUN AND INTO THE STRAITS OF FLORIDA SUN EVENING 
NEAR 24.8N 82.0W...THEN NW ACROSS THE W FLORIDA KEYS AND INTO 
THE SE GULF OF MEXICO...REACHING NEAR NEAR 27.5N 85.5W MON 
EVENING.  

.OVERNIGHT...NE TO E WINDS 15 TO 20 KT S OF 27N...AND E TO SE
10 TO 15 KT N OF 27N. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND
ISOLATED TSTMS. 
.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. SCATTERED SHOWERS AND ISOLATED
TSTMS. 
.FRI NIGHT...NE TO E WINDS 20 TO 25 KT S OF 27N...AND E 10 TO
15 KT N OF 27N. SEAS 5 FT...BUILDING TO 7 FT AFTER MIDNIGHT. 
.SAT...TROPICAL STORM CONDITIONS POSSIBLE. S OF 27N...NE TO E
WINDS 25 TO 30 KT...INCREASING TO 30 TO 35 KT IN THE AFTERNOON.
N OF 27N...NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS. 
.SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S OF 27N...NE
TO E WINDS 35 TO 40 KT...INCREASING TO 45 TO 50 KT AFTER
MIDNIGHT. N OF 27N...NE TO E WINDS 15 TO 20 KT...INCREASING TO
20 TO 25 KT AFTER MIDNIGHT. SEAS 7 TO 10 FT. 
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON...S OF 27N...SE TO S WINDS 25 TO 30 KT...DIMINISHING TO
20 TO 25 KT IN THE AFTERNOON. N OF 27N...E TO SE WINDS 20 TO
25 KT. SEAS 10 TO 15 FT S OF 27N...AND 8 TO 11 FT N OF 27N. 
.MON NIGHT...S OF 27N...SE WINDS 20 TO 25 KT...BECOMING SE TO S
15 TO 20 KT AFTER MIDNIGHT. N OF 27N...SE WINDS 15 TO 20 KT.
SEAS 8 TO 11 FT. 
.TUE...SE TO S WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT IN
THE AFTERNOON. SEAS 7 TO 10 FT.