000
FZNT25 KNHC 211534
OFFN04
NAVTEX MARINE FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1130 AM EDT WED APR 21 2010

...PLEASE REFER TO THE COASTAL WATERS FORECAST AVAILABLE
THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR A MORE DETAILED
FORECAST WITHIN 60 NAUTICAL MILES OF THE COASTLINE...

SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS
.SYNOPSIS...BROAD AND ELONGATED FRONTAL TROUGH EXTENDING FROM N
COAST OF HISPANIOLA NE TO NEAR 25N65W THEN E ACROSS OPEN ATLC
WILL SHIFT SLOWLY SE THROUGH THU AND EXIT THE AREA. A NEW AND
WEAK COLD FRONT MOVING E OFF THE N FLORIDA COAST THIS MORNING
WILL SWEEP E ACROSS THE N HALF OF THE SW N ATLC AND EXIT THE
AREA THU EVENING WITH A WEAK TROUGH TRAILING SW INTO THE SE
BAHAMAS. HIGH PRES WILL THEN BUILD E AND SE ACROSS THE AREA THU
NIGHT THROUGH SAT. SOUTHERLY RETURN FLOW WILL INCREASE ALONG
THE FLORIDA COAST SAT NIGHT THROUGH SUN AS THE HIGH CENTER
SHIFTS TO THE E.

SW N ATLANTIC S OF 31N W OF 65W INCLUDING BAHAMAS
.THIS AFTERNOON AND TONIGHT...N OF 27N W OF 72W SE TO S WINDS
15 TO 20 KT BECOMING NW 15 KT BEHIND FRONT. SEAS 4 TO 5 FT. S
OF 27N W OF 72W SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT
EXCEPT 2 TO 3 FT W OF BAHAMAS. N OF 25N E OF 72W NE TO E WINDS
15 TO 20 KT. SEAS 4 TO 7 FT. S OF 25N E OF 72W VARIABLE WINDS
5 TO 10 KT. SEAS 4 TO 5 FT. WIND AND SEAS HIGHER NEAR
SCATTERED SHOWERS AND TSTMS ALONG AND AHEAD OF FRONT.
.THU AND THU NIGHT...N OF 27N E OF FRONT SW WINDS 15 TO 20 KT.
SEAS 4 TO 6 FT. N OF 27N W OF FRONT W TO NW WINDS 10 TO 15 KT
BECOMING VARIABLE 5 TO 10 KT W OF 74W THU NIGHT. SEAS 3 TO 5 FT
SUBSIDING TO 2 TO 4 FT W OF 74W LATE. S OF 27N VARIABLE WINDS 5
TO 10 KT BECOMING E TO SE 10 TO 15 KT W OF BAHAMAS THU NIGHT.
SEAS 3 TO 5 FT IN NE SWELL E OF BAHAMAS AND 1 TO 3 FT W OF
BAHAMAS. SCATTERED SHOWERS ALONG FRONT.
.FRI...N OF 27N E OF 70W NW TO N WINDS 15 TO 20 KT DIMINISHING
TO 10 TO 15 KT LATE. SEAS 5 TO 8 FT IN NE SWELL BUILDING TO 6
TO 9 FT LATE. N OF 27N W OF 70W VARIABLE WINDS 5 TO 10 KT
BECOMING S TO SW 10 TO 15 KT W OF 77W LATE. SEAS 2 TO 5 FT IN
NE SWELL... HIGHEST E PART. S OF 27N E OF BAHAMAS NE TO E
WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. S OF 27N W OF BAHAMAS E TO
SE WINDS 10 TO 15 KT. SEAS 1 TO 3 FT.
.SAT AND SUN...N OF 27N W OF 70W S TO SW WINDS 10 TO 15 KT
EXCEPT 15 TO 20 KT W OF 77W. SEAS 3 TO 5 FT. N OF 27N E OF 70W
W TO NW WINDS 10 TO 15 KT. SEAS 6 TO 10 FT IN NE SWELL. S OF
27N E OF BAHAMAS NE TO E WINDS 10 TO 15 KT BECOMING E TO SE
LATE SAT AND SUN. SEAS 3 TO 5 FT BUILDING TO 4 TO 7 FT E OF
73W IN NE SWELL LATE SAT AND SUN. S OF 27N W OF BAHAMAS E TO
SE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT LATE SAT AND
SUN. SEAS 1 TO 3 FT BUILDING TO 2 TO 4 FT LATE SAT AND SUN.

SYNOPSIS FOR THE GULF OF MEXICO
.SYNOPSIS...WEAK TROUGH OVER THE NE GULF FROM THE FLORIDA
PANHANDLE TO 28N86W WILL DISSIPATE THIS AFTERNOON AS HIGH PRES
EXTENDS A RIDGE INTO THE GULF FROM THE ATLC. SOUTHERLY RETURN
FLOW INCREASES IN THE W GULF THU THROUGH FRI AHEAD OF A COLD
FRONT THAT WILL MOVE OFF THE TEXAS COAST LATE FRI NIGHT. THE
FRONT WILL EXTEND FROM S CENTRAL LOUISIANA TO THE BAY OF
CAMPECHE SAT EVENING...THEN STALL OUT AND WEAKEN INTO A TROUGH
SUN.

MIDDLE GULF BETWEEN 85W AND 90W
.THIS AFTERNOON AND TONIGHT...VARIABLE WINDS 5 TO 10 KT
BECOMING E TO SE TONIGHT. SEAS 2 FT OR LESS.
.THU AND THU NIGHT...SE WINDS 10 TO 15 KT INCREASING TO 15 TO
20 KT THU NIGHT...EXCEPT NE 15 KT NEAR COAST OF YUCATAN DURING
THE EVENING. SEAS 1 TO 3 FT BUILDING 3 TO 5 FT LATE.
.FRI...SE TO S WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT W OF
88W LATE...EXCEPT NE 20 KT NEAR COAST OF YUCATAN DURING THE
EVENING. SEAS 3 TO 5 FT BUILDING TO 4 TO 7 FT LATE.
.SAT...S TO SW WINDS 20 KT EXCEPT NE NEAR COAST OF YUCATAN
DURING THE EVENING. SEAS 6 TO 9 FT N OF 26N SUBSIDING TO 5 TO 7
FT LATE...AND 4 TO 7 FT S OF 26N. SCATTERED SHOWERS FAR NW PART
LATE.
.SUN...E OF FRONT S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. W
OF FRONT W TO NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS ALONG AND AHEAD OF FRONT.

E GULF BETWEEN 81W AND 85W
.THIS AFTERNOON AND TONIGHT...VARIABLE WINDS 5 TO 10 KT
BECOMING NE TO E TONIGHT. SEAS 2 FT OR LESS.
.THU AND THU NIGHT...E TO SE WINDS 5 TO 10 KT INCREASING TO 10
TO 15 KT LATE...EXCEPT NE 10 TO 15 KT S OF 24N DURING THE
EVENING. SEAS 2 FT OR LESS.
.FRI...E TO SE WINDS 10 TO 15 KT EXCEPT NE WINDS S OF 24N
DURING THE EVENING. SEAS 1 TO 3 FT BUILDING TO 2 TO 4 FT LATE.
.SAT...SE TO S WINDS 15 TO 20 KT. SEAS 2 TO 4 FT BUILDING TO 3
TO 5 FT.
.SUN...S TO SW WINDS 15 TO 20 KT DIMINISHING TO 10 TO 15 KT
LATE. SEAS 3 TO 5 FT SUBSIDING TO 2 TO 4 FT LATE. SCATTERED
SHOWERS FAR N PART LATE.

SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N
BETWEEN 55W AND 65W
.SYNOPSIS...BROAD TROUGH ACROSS E CENTRAL CARIBBEAN WILL
GRADUALLY DISSIPATE THROUGH TONIGHT AS WEAK HIGH PRES MOVES
INTO THE NE GULF OF MEXICO. MODERATE TO FRESH TRADES WILL THEN
RETURN TO THE SOUTHERN HALF OF THE TROPICAL N ATLC AND E
CARIBBEAN THU EXPANDING INTO THE W CARIBBEAN FRI THROUGH SUN.
OTHERWISE A SERIES OF WEAK FRONTAL TROUGHS WILL MOVE SE AND
INTO THE NORTHERN PART OF THE TROPICAL N ATLC THROUGH THE

NW CARIBBEAN N OF 15N W OF 75W
.THIS AFTERNOON AND TONIGHT...E TO SE WINDS 5 TO 10 KT EXCEPT
NEAR 15 KT S OF 17N...BECOMING NE 10 KT E OF 80W TONIGHT. SEAS
1 TO 3 FT.
.THU THROUGH FRI...W OF 82W E TO SE WINDS 10 TO 15 KT
INCREASING TO 15 TO 20 KT THU NIGHT AND FRI. SEAS 1 TO 3 FT
BUILDING TO 3 TO 5 FT THU NIGHT AND FRI. E OF 82W NE TO E
WINDS 10 TO 15 KT. SEAS 2 FT OR LESS BUILDING TO 3 TO 5 FT IN
SE SWELL FRI. .SAT AND SUN...E TO SE WINDS 15 TO 20 KT. SEAS 5

$$