000
FZNT24 KNHC 171504
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 AM CDT SUN MAY 17 2009

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO

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.

GMZ089-172130-
SYNOPSIS FOR THE GULF OF MEXICO
1030 AM CDT SUN MAY 17 2009

.SYNOPSIS...COLD FRONT EXTENDS FROM THE WESTERN FLORIDA 
PANHANDLE TO 28N95W TO 24N98W AND FROM BIG BEND TO BAY OF 
CAMPECHE MON. LOW PRES MOVE INTO THE STRAITS OF FLORIDA MON 
NIGHT THEN MOVES TO 24N80W TUE AND 28N85W WED AND TO 28N87W THU.

GMZ080-172130-
NW GULF N OF 25N W OF 90W
INCLUDING FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
1030 AM CDT SUN MAY 17 2009

.THIS AFTERNOON AND TONIGHT...N TO NE WINDS 10 TO 15 KT 
INCREASING TO 20 TO 25 KT N OF FRONT. SEAS 2 TO 4 FT BUILDING TO 
5 TO 7 FT N OF FRONT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG 
FRONT.
.MON AND MON NIGHT...N TO NE WINDS 20 TO 25 KT. SEAS 7 TO 9 FT.
.TUE...NE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN NE SWELL.
.WED...E OF 92W NE WINDS 20 KT. SEAS BUILDING TO 6 TO 8 FT.
W OF 92W N TO NE WINDS 10 TO 15 KT. SEAS SUBSIDING 4 TO 6 FT.
.THU...E OF 94W N TO NE WINDS 15 TO 20 KT. SEAS BUILDING TO 6 TO 
8 FT IN NE SWELL. W OF 92W VARIABLE WINDS 5 TO 10 KT. SEAS 
SUBSIDING 4 TO 6 FT IN NE SWELL.

$$
GMZ082-172130-
SW GULF S OF 25N W OF 90W
1030 AM CDT SUN MAY 17 2009

.THIS AFTERNOON AND TONIGHT...N TO NE WINDS 10 TO 15 KT. SEAS 2 
TO 4 FT.
.MON THROUGH WED...N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.THU...N OF 23N E OF 93W NW WINDS 10 TO 15 KT. SEAS 6 TO 7 FT. 
ELSEWHERE VARIABLE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.

$$
GMZ084-172130-
MIDDLE GULF BETWEEN 85W AND 90W
1030 AM CDT SUN MAY 17 2009

...GALE CONDITIONS EXPECTED WITHIN 240 NM NW QUADRANT OF LOW 
WED...
 
.THIS AFTERNOON AND TONIGHT...N TO NE WINDS 10 TO 15 KT 
INCREASING TO 15 TO 20 KT TONIGHT BEHIND FRONT. SEAS 3 TO 5 FT 
BUILDING TO 5 TO 7 LATE W OF FRONT. SCATTERED SHOWERS AND TSTMS 
ALONG FRONT.
.MON AND MON NIGHT...N TO NE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT N 
OF FRONT...AND 3 TO 5 FT S OF FRONT. SCATTERED SHOWERS AND TSTMS 
ALONG FRONT.
.TUE AND WED...N OF 25N NE WINDS 20 TO 30 KT INCREASING TO 25 TO 
35 KT WITHIN 240 NM NW QUADRANT OF LOW LATE TUE AND WED. SEAS 6 
TO 9 FT BUILDING TO 9 TO 12 FT WED. ELSEWHERE N OF 24N N TO NE 
WINDS 20 KT...BECOMING NW TO N S OF 26N LATE WED. SEAS 6 TO 8 
FT. S OF 24N N WINDS 15 TO 20 KT SHIFTING W TO NW WED AND THEN 
SW LATE WED E OF 87W. SEAS 2 TO 3 FT BUILDING TO 5 TO 7 FT WED. 
NUMEROUS SHOWERS AND TSTMS NEAR LOW.
.THU...WITHIN 240 NM N SEMICIRCLE OF LOW WINDS 20 TO 25 KT. SEAS 
8 TO 12 FT SUBSIDING TO 5 TO 8 FT LATE. ELSEWHERE SW TO W WINDS 
15 TO 20 KT. SEAS 5 TO 7 FT. NUMEROUS SHOWERS AND TSTMS NEAR LOW.

$$
GMZ086-172130-
E GULF BETWEEN 81W AND 85W
1030 AM CDT SUN MAY 17 2009

...GALE CONDITIONS EXPECTED WITHIN 240 NM NW QUADRANT OF LOW 
LATE TUE THROUGH WED...

.THIS AFTERNOON AND TONIGHT...S OF 25N NE TO SE WINDS 15 TO 20 
KT. SEAS 6 TO 8 FT. N OF 25N SE TO S WINDS 10 KT BECOMING N 
TONIGHT BEHIND FRONT. SEAS 2 TO 4 FT. SCATTERED SHOWERS AND 
TSTMS ALONG FRONT.
.MON AND MON NIGHT...N OF FRONT NE WINDS 20 TO 25 KT. SEAS 
BUILDING TO 6 TO 8 FT. ELSEWHERE E OF SE WINDS 10 TO 15 KT. SEAS 
3 TO 5 FT. SCATTERED TO NUMEROUS SHOWERS AND TSTMS S OF 26N AND 
ALONG FRONT.
.TUE AND WED...N OF 26N NE WINDS 20 TO 25 KT INCREASING TO 25 TO 
35 KT WITHIN 240 NM NW QUADRANT OF LOW LATE TUE AND WED. SEAS 6 
TO 8 FT BUILDING TO 8 TO 12 FT LATE TUE. S OF 26N SW WINDS 10 TO 
15 KT INCREASING TO 20 TO 25 KT WED. SCATTERED TO NUMEROUS 
SHOWERS AND TSTMS.
.THU...N OF 26N SE TO S WINDS 20 TO 30 KT. SEAS 6 TO 8 FT. S OF 
26N S TO SW WINDS 20 TO 25 KT DIMINISHING TO 15 TO 20 KT LATE. 
SEAS 5 TO 7 FT. SCATTERED TO NUMEROUS SHOWERS AND TSTMS.

$$
FORECASTER JSC/DGS