000
FZNT23 KNHC 260923
OFFNT3

OFFSHORE WATERS FORECAST FOR THE SW AND TROPICAL N ATLANTIC AND 
CARIBBEAN SEA
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
530 AM EDT WED AUG 26 2009

OFFSHORE WATERS FORECAST FOR THE SW AND TROPICAL N ATLC FROM 07N 
TO 22N BETWEEN 55W AND 65W

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

AMZ089-261530-
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N 
BETWEEN 55W AND 65W
530 AM EDT WED AUG 26 2009

.SYNOPSIS...WEAK PRES GRADIENT ALLOW FOR FRESH TO MODERATE 
TRADES OVER MUCH OF AREA THROUGH SAT.  LARGE TROPICAL WAVE OVER 
FAR E ATLC FORECAST TO ENTER EASTERN PORTION OF TROPICAL N ATLC 
SAT AND APPROACH LESSER ANTILLES LATE SUN.  INCREASING WINDS AND 
SEAS ASSOCIATED WITH WAVE AS IT INTERACTS WITH CENTRAL ATLC HIGH 
PRES THAT BUILDS SW.

$$
AMZ082-261530-
NW CARIBBEAN N OF 15N W OF 75W
530 AM EDT WED AUG 26 2009

.TODAY...NE TO E WINDS 10 TO 15 KT. SEAS 5 FT. SCATTERED TSTMS S 
OF 17N W OF 80W.
.TONIGHT THROUGH THU NIGHT...S OF 17N E OF 80W E WINDS 15 TO 20 
KT. SEAS 7 FT. ELSEWHERE E WINDS 10 TO 15 KT. SEAS 5 FT.
.FRI THROUGH SUN...S OF 18N E OF 82W NE TO E WINDS 15 TO 20 KT. 
SEAS 7 FT. ELSEWHERE E TO SE WIND 10 TO 15 KT BECOMING NE LATE 
SAT AND SUN. SEAS 5 FT.

$$
AMZ084-261530-
SW CARIBBEAN S OF 15N W OF 75W
530 AM EDT WED AUG 26 2009

.TODAY THROUGH SUN...N OF 11N E OF 80W NE TO E WINDS 15 TO 20 KT 
EXCEPT TO 25 KT ALONG COAST OF COLOMBIA THU THROUGH SUN. SEAS 7 
FT EXCEPT TO 9 FT NEAR COAST OF COLOMBIA. N OF 11N W OF 80W NE 
TO E WINDS 15 KT. SEAS 7 FT IN NE SWELL. S OF 11N NE WINDS 10 
KT. SEAS 5 FT IN NE SWELL.

$$
AMZ086-261530-
E CARIBBEAN E OF 75W TO THE LEEWARD AND WINDWARD ISLANDS
530 AM EDT WED AUG 26 2009

.TODAY THROUGH FRI...S OF 15N W OF 68W NE TO E WINDS 20 TO 25 
KT. SEAS 9 FT. ELSEWHERE E WINDS 15 KT. SEAS 6 FT.
.SAT AND SUN...E WINDS 15 TO 20 KT. SEAS 7 FT.

$$
AMZ087-261530-
TROPICAL N ATLANTIC FROM 07N TO 22N BETWEEN 55W AND 65W
530 AM EDT WED AUG 26 2009

.TODAY THROUGH FRI...NE TO E WINDS 15 KT SHIFT SE FRI. SEAS 6 FT.
.SAT AND SUN...E TO SE WINDS 10 TO 15 KT EXCEPT E PORTION SHIFT 
NE SUN. SEAS 5 FT. SCATTERED TSTMS INCREASE E PORTION SUN.
 
$$
AMZ088-261530-
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS 
530 AM EDT WED AUG 26 2009

.SYNOPSIS...BROAD TROUGH E OF BAHAMAS FROM 26N68W TO 22N69W 
MOVES NW WITH EMBEDDED LOW PRES AT 24N69W 1008 MB MOVING NW 20 
KT.  TIGHT PRES GRADIENT BETWEEN LOW PRES AND ATLC RIDGE NE 
RESULTING IN AREA OF GALE FORCE WINDS NE OF LOW PRES CENTER.
THIS LOW PRES...POSSIBLY TROPICAL CYCLONE...FORECAST TO REACH 
NEAR 27N73W EARLY THU AND 31N75W EARLY FRI...THEN START TURNING 
NE AWAY FROM AREA.  RIDGE REBUILDS W ALONG NORTHERN PORTION OF 
BASIN THROUGH SUN.

$$
AMZ080-261530-
SW N ATLANTIC S OF 31N W OF 65W INCLUDING BAHAMAS 
530 AM EDT WED AUG 26 2009

...GALE WARNING N OF 22N E OF 74W... 

.TODAY AND TONIGHT...WITHIN 180 NM NE SEMICIRCLE OF LOW PRES  
WINDS 35 TO 45 KT. SEAS BUILD TO 19 FT. ELSEWHERE N OF 24N E OF 
77W NE TO E WINDS 20 TO 30 KT. SEAS TO 15 FT. FROM 22N TO 24N E 
OF 74W SE TO S WINDS 15 TO 20 KT. SEAS 9 FT IN MIXED N AND E 
SWELL. REMAINDER OF AREA NE TO E WINDS 10 TO 15 KT. SEAS 7 FT 
PRIMARILY IN NE SWELL EXCEPT 4 FT W OF BAHAMAS. SCATTERED TO 
NUMEROUS SQUALLS AND TSTMS N OF 22N E OF 74W.
.THU AND THU NIGHT...N OF 27N FROM 67W AND 73W SE TO S WINDS 20 
TO 30 KT. SEAS TO 15 FT. ELSEWHERE N OF 23N E OF 72W SE TO S 
WINDS 15 KT. SEAS 7 FT. REMAINDER OF AREA WINDS NE TO E WINDS 10 
TO 15 KT EXCEPT N OF 27N W OF 72W N TO NE 10 TO 15 KT. SEAS 7 FT 
IN E SWELL EXCEPT 2 FT W OF BAHAMAS. NUMEROUS SQUALLS AND TSTMS 
NE PORTION.
.FRI...N OF 27N FROM 68W AND 75W S TO SW WINDS 20 TO 30 KT. SEAS 
14 FT. FROM 25N TO 27N E OF 75W SW WINDS 15 TO 20 KT. SEAS 12 FT 
IN MIXED NE AND SE SWELL. FROM 23N TO 25N E OF 70W SE TO S WINDS 
15 KT. SEAS 6FT. S OF 23N E TO SE WINDS 10 TO 15 KT. SEAS 4 FT. 
S OF 23N W OF 74W SE TO S WINDS 10 KT. SEAS 2 FT. SCATTERED TO 
NUMEROUS TSTMS N OF 28N LIFTING N OF AREA LATE.
.SAT AND SUN...N OF 29N E OF 74W SW WINDS 15 TO 20 KT DIMINISH 
TO 10 KT LATE SAT AND SUN. SEAS SUBSIDE TO 5 FT. ELSEWHERE N OF 
27N SE TO S WINDS 10 KT. SEAS 4 FT. S OF 27N E WINDS 10 TO 15 
KT. SEAS 5 FT EXCEPT 2 FT W OF BAHAMAS.

$$
FORECASTER WALLY BARNES