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FZNT25 KNHC 050939
OFFN04

NAVTEX MARINE FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
539 AM EDT FRI MAY 5 2017

...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 COLD FRONT EXTENDING FROM NE FLORIDA TO 25N86W AND
TO THE CENTRAL BAY OF CAMPECHE WILL MOVE SE OF THE GULF THIS
EVENING. STRONG NW TO N WINDS ARE OCCURRING W OF THE FRONT TO
NEAR 95W...WITH FREQUENT GUSTS TO GALE FORCE OVER PORTIONS OF
THE NE GULF. THESE WINDS WILL DIMINISH TO BELOW GALE FORCE BY
THIS EVENING...WHILE THE STRONG WINDS ELSEWHERE W OF THE FRONT
DIMINISH SAT MORNING. SEAS WILL SUBSIDE ON SAT. WEAK HIGH PRES
WILL BUILD OVER THE GULF INTO EARLY NEXT WEEK. 

.TODAY...W TO NW WINDS 20 TO 25 KT N OF 25N...AND NW WINDS
15 TO 20 KT S OF 25N. SEAS 4 TO 6 FT. WINDS AND SEAS HIGHER
IN AND NEAR SCATTERED SHOWERS AND TSTMS S OF 25N. 
.TONIGHT...NW WINDS 20 TO 25 KT N OF 25N...AND NW TO N WINDS
10 TO 15 KT S OF 25N. SEAS 6 TO 8 FT N OF 25N...AND 4 TO 6 FT
S OF 25N.
.SAT...NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 
.SAT NIGHT...NW TO N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.SUN...N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. 
.SUN NIGHT...N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.MON...NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. 
.MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. 
.TUE...NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. 
.TUE NIGHT...NE TO E WINDS 10 TO 15 KT...EXCEPT 15 TO 20 KT S OF
25N. SEAS 2 TO 4 FT.

WITHIN 200 NM EAST OF THE COAST OF FLORIDA

.SYNOPSIS...A TIGHTENING PRES GRADIENT OVER THE NW PORTION IS
RESULTING IN INCREASING SOUTHERLY WINDS THERE. THIS IS IN 
ADVANCE OF A STRONG GULF OF MEXICO COLD FRONT THAT IS FAST 
APPROACHING THE WESTERN PORTION OF THE AREA. THE COLD FRONT WILL
MOVE OFF THE NE FLORIDA COAST THIS MORNING. FRESH TO STRONG 
WINDS WITH FREQUENT GUSTS TO GALE FORCE AT TIMES WILL PRECEDE
AND FOLLOW THE FRONT AS IT REACHES FROM NEAR 31N78W TO WEST PALM
 BEACH THIS AFTERNOON...AND FROM NEAR 31N76W TO JUST OFFSHORE
MIAMI AND THE FLORIDA KEYS THIS EVENING. SCATTERED SHOWERS AND
TSTMS  WILL ACCOMPANY THE FRONT. THE FRONT WILL THEN MOVE E SE
ACROSS THE BAHAMAS AND CENTRAL CUBA LATE TONIGHT INTO SAT WHILE
WEAKENING.  THE FRONT WILL CONTINUE TO WEAKEN AS IT MOVES OVER 
THE EASTERN PORTION OF THE BASIN SAT THROUGH SUN. WINDS AND SEAS 
WILL DIMINISH SAT NIGHT THROUGH TUE AS HIGH PRES MOVES OFF THE 
FLORIDA COAST IN THE WAKE OF THE FRONT. 

...GALE WARNING N OF 29N...

.TODAY...SW WINDS 15 TO 20 KT S OF 27N...AND SW 20 TO 25 KT N OF
27N EXCEPT INCREASING TO 25 TO 30 KT N OF 29N IN THE AFTERNOON. 
SEAS 4 TO 5 FT S OF 27N...AND 7 TO 10 FT N OF 27N. SCATTERED 
SHOWERS AND TSTMS.
.TONIGHT...W TO NW WINDS 15 TO 20 KT S OF 27N...AND SW TO W 20 TO
30 KT N OF 27N EXCEPT WITH FREQUENT GUSTS TO 35 KT N OF 29N. SEAS
4 TO 6 FT S OF 27N...AND 8 TO 12 FT N OF 27N. SCATTERED SHOWERS 
AND TSTMS.
.SAT...S OF 27N...NW WINDS 15 TO 20 KT DIMINISHING TO 5 TO 10 KT 
LATE IN THE AFTERNOON. N OF 27N...W WINDS 20 TO 30 KT. S OF 27N... 
SEAS 5 TO 7 FT SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. N OF
27N...SEAS 8 TO 12 FT.
.SAT NIGHT...NW TO N WINDS 5 TO 10 KT S OF 27N...AND W 15 TO
20 KT N OF 27N. SEAS 4 TO 6 FT. 
.SUN...NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. 
.SUN NIGHT...N WINDS 5 TO 10 KT...SHIFTING TO E AFTER MIDNIGHT.
SEAS 3 FT. 
.MON...N TO NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. 
.MON NIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. 
.TUE...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. 
.TUE NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.