000
FZNT25 KNHC 251540
OFFN04
NAVTEX MARINE FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1130 AM EDT THU AUG 25 2011

...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...HURRICANE IRENE AT 25.9N 76.8W 950 MB AT 1500 UTC
MOVING N-NW OR 335 DEG AT 11 KT. MAXIMUM SUSTAINED WIND 100
GUSTS TO 120 KT. IRENE FORECAST TO INTENSIFY AS IT MOVES N-NW
ACROSS NORTHERN BAHAMAS...REACHING 29.5N 77.8W EARLY
FRI...31.4N 77.5W LATE FRI...BEFORE MOVING N OF AREA FRI
NIGHT. LARGE SE SWELL RACE WELL AHEAD OF IRENE. MODERATE TO
FRESH S TO SW FLOW TO GENERALLY PREVAIL THROUGH MON AFTER

SW N ATLANTIC S OF 31N W OF 65W INCLUDING BAHAMAS
...HURRICANE WARNING N OF 20N W OF 71W...
.THIS AFTERNOON THROUGH FRI NIGHT...N OF 20N W OF 71W TROPICAL
STORM FORCE AND HURRICANE CONDITIONS SPREADING NW AND N WITH
HIGHEST WINDS 100 GUSTS TO 120 KT INCREASING TONIGHT TO 115
GUSTS 140 KT. TROPICAL STORM FORCE OR GREATER WINDS WITHIN 270
E AND 240 W SEMICIRCLES. HIGHEST SEAS BUILDING TO 42 FT FRI
NIGHT. ELSEWHERE W OF 70W WINDS TO 33 KT. SEAS TO 12 FT. E OF
70W SE WINDS 20 TO 25 KT DIMINISHING TO 15 KT FRI. SEAS 7 TO 10
FT SUBSIDING TO 5 FT FRI NIGHT. NUMEROUS SQUALLS AND TSTMS IN
BANDS WITHIN 300 NM OF IRENE.
.SAT...TROPICAL STORM CONDITIONS EXPECTED N OF 27N W OF 71W
EXITING AREA EARLY...BECOMING SW WINDS DIMINISHING TO 20 KT
LATE. SEAS TO 26 FT SUBSIDING TO 15 FT LATE. ELSEWHERE N OF 25N
SW TO W WINDS TO 33 KT. SEAS 12 TO 16 FT SUBSIDING TO 10 FT
LATE. S OF 25N E TO SE WINDS 15 TO 20 KT DIMINISHING TO 10 KT.
SEAS 5 TO 8 FT EXCEPT 2 FT W OF BAHAMAS.
.SUN...N OF 27N E OF 75W SW WINDS 20 KT. SEAS 9 TO 14 FT IN NW
SWELL. ELSEWHERE N OF 22N S TO SW WINDS 10 TO 15 KT. SEAS 5 TO
7 FT IN MIXED NW AND E SWELL...EXCEPT 2 FT W OF BAHAMAS. S OF
22N SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.MON...N OF 23N W OF 70W S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 7
FT IN NE SWELL. ELSEWHERE SE TO S WINDS 15 KT. SEAS 6 TO 9 FT
IN N TO NW SWELL...HIGHEST N.

SYNOPSIS FOR THE GULF OF MEXICO
.SYNOPSIS...WEAK SURFACE RIDGE LINGER OVER N WATERS THROUGH
FRI. MAJOR HURRICANE IRENE CURRENTLY MOVING NW ACROSS CENTRAL
BAHAMAS REACH NW BAHAMAS TODAY...WITH TROPICAL STORM
CONDITIONS EXPECTED TO REMAIN WELL E OF GULF WATERS. HOWEVER
TIGHTENING PRES GRADIENT INCREASE NE WINDS AND BUILD SEAS OVER
E GULF THU THROUGH LATE FRI. WEAK COLD FRONT REACH N GULF
COASTS EARLY SAT WITH MODERATE WESTERLY FLOW DEVELOPING AHEAD
OF IT. DISSIPATING FRONT REMAIN OVER N WATERS THROUGH SUN.

MIDDLE GULF BETWEEN 85W AND 90W
.THIS AFTERNOON AND TONIGHT...NE TO E WINDS 5 TO 10 KT BECOMING
NE TO 15 KT TONIGHT. SEAS 2 TO 3 FT. SCATTERED SHOWERS.
.FRI AND FRI NIGHT...N TO NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
.SAT AND SUN...N OF 27N W TO NW WINDS 10 TO 15 KT. SEAS 2 TO 4
FT. S OF 27N SW TO W WINDS 10 KT. SEAS 1 TO 3 FT.
.MON...VARIABLE WINDS 5 TO 10 KT. SEAS 1 TO 3 FT.

E GULF BETWEEN 81W AND 85W
.THIS AFTERNOON AND TONIGHT...N OF 25N NE WINDS 10 TO 15 KT
BECOMING NW TO N 15 TO 20 KT TONIGHT. SEAS 3 TO 5 FT. S OF 25N
NE WINDS 15 TO 20 KT SHIFTING W TO NW TONIGHT. SEAS 4 TO 6 FT
EXCEPT TO 8 FT IN STRAITS OF FLORIDA LATE. SCATTERED SQUALLS
AND TSTMS SE PART.
.FRI...W TO NW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT EXCEPT 7 FT IN
STRAITS OF FLORIDA.
.SAT...W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SUN...SW TO W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.MON...S TO SW WINDS 5 TO 10 KT EXCEPT TO 15 KT S OF 25N. SEAS
2 TO 3 FT.

SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N
BETWEEN 55W AND 65W
.SYNOPSIS...HURRICANE IRENE OVER CENTRAL BAHAMAS AT 25.9N 76.8W
951 MB AT 1500 UTC MOVING N-NW OR 335 DEG AT 11 KT. MAXIMUM
SUSTAINED WIND 100 GUSTS TO 120 KT. WHILE IRENE IS NOT DIRECTLY
IMPACTING CARIBBEAN...ITS LARGE LIGHT TO MODERATE CYCLONIC FLOW
COVERS ENTIRE BASIN. WIND FLOW BECOMES VEERS SE FRI AS IRENE
MOVES FURTHER AWAY. HIGH PRES RIDGE BUILDS SW INTO E CARIBBEAN
LATE SUN BRINGING RETURN OF E-SE TRADE WINDS E OF 75W.

NW CARIBBEAN N OF 15N W OF 75W
.THIS AFTERNOON AND TONIGHT...W OF 84W N TO NE WINDS 5 TO 10
KT. SEAS 1 TO 2 FT. N OF 18N BETWEEN 80W AND 84W W TO NW WINDS
15 TO 20 KT BECOMING SW TO W WINDS 10 KT LATE. SEAS 2 TO 4 FT.
ELSEWHERE S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI THROUGH SAT...S TO SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.SUN...N OF 18N S TO SW WINDS 5 TO 10 KT. SEAS 1 TO 3 FT.
S OF 18N SE WINDS 5 TO 10 KT. SEAS 1 TO 3 FT.
.MON...SE TO S WINDS 10 TO 15 KT EXCEPT TO 20 KT THROUGH
YUCATAN CHANNEL. SEAS 3 TO 4 FT EXCEPT TO 6 FT YUCATAN

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