000
FZNT24 KNHC 181510
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 AM CDT MON MAY 18 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.

GMZ089-182130-
SYNOPSIS FOR THE GULF OF MEXICO
1030 AM CDT MON MAY 18 2009

.SYNOPSIS...COLD FRONT 29N83W TO 25N90W TO 20N91W WILL DISSIPATE 
OVER THE SE GULF THIS EVENING AS A 1010 MB LOW PRES DEVELOPS 
OVER CENTRAL CUBA. LOW AND WILL MOVE N THROUGH STRAITS OF 
FLORIDA TO 25N81W TUE EVENING TO 26N83W THU AND 27N87W FRI.
GALE FORCE WINDS ARE EXPECTED IN THE NE GULF WED.

GMZ080-182130-
NW GULF N OF 25N W OF 90W
INCLUDING FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
1030 AM CDT MON MAY 18 2009

.THIS AFTERNOON AND TONIGHT...N TO NE WINDS 20 TO 25 KT. SEAS 7 
TO 9 FT.
.TUE AND TUE NIGHT...NE WINDS 15 TO 20 KT. SEAS 7 TO 9 FT IN NE 
SWELL.
.WED AND THU...E OF 93W NE TO N WINDS 15 TO 20 KT. SEAS 6 TO 8 
FT. W OF 93W E TO NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.FRI...N TO NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.

$$
GMZ082-182130-
SW GULF S OF 25N W OF 90W
1030 AM CDT MON MAY 18 2009

.THIS AFTERNOON THROUGH TUE NIGHT... N OF 22N N TO NE WINDS 15 
TO 20 KT. SEAS 6 TO 8 FT. S OF 22N NE WINDS 10 TO 15 KT. SEAS 4 
TO 6 FT.
.WED...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN NE SWELL.
.THU AND FRI...N OF 23N E OF 93W NW WINDS 10 TO 15 KT. SEAS 5 TO 
6 FT. ELSEWHERE VARIABLE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.

$$
GMZ084-182130-
MIDDLE GULF BETWEEN 85W AND 90W
1030 AM CDT MON MAY 18 2009

...GALE CONDITIONS EXPECTED N OF 27N WED...

.THIS AFTERNOON AND TONIGHT...W OF FRONT N TO NE WINDS 20 TO 25 
KT. SEAS 6 TO 8 FT. S OF FRONT NE TO E WINDS 10 TO 15 KT. SEAS 3 
TO 5 FT. SCATTERED SHOWERS AND TSTMS ALONG FRONT.
.TUE AND TUE NIGHT...N OF 25N NE WINDS 20 TO 30 KT. SEAS 8 TO 11 
FT. S OF 25N N TO NE WINDS 15 TO 20 KT. SEAS  6 TO 8 FT. 
.WED...N OF 27N NE TO E WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. FROM 
24N TO 27N W TO NW WINDS 15 TO 20 KT. SEAS 7 TO 9 FT. S OF 24N 
NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
.THU...N OF 26N NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. S OF 26N 
W TO SW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
.FRI...N OF 25N E OF 88W SE TO S WINDS 15 TO 20 KT. SEAS 5 TO 7 
FT. ELSEWHERE SW TO W WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
 
$$
GMZ086-182130-
E GULF BETWEEN 81W AND 85W
1030 AM CDT MON MAY 18 2009

...GALE CONDITIONS EXPECTED N OF 27N WED...

.THIS AFTERNOON AND TONIGHT...N OF FRONT NE WINDS 20 TO 25 KT. 
SEAS 6 TO 8 FT. S OF FRONT NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
SCATTERED SHOWERS AND TSTMS ALONG FRONT.
.TUE AND TUE NIGHT...N OF 25N NE TO N WINDS 20 TO 30 KT. SEAS 8 
TO 10 FT. S OF 25N N WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. 
.WED...N OF 27N N TO NE WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. S OF 
27N NW TO W 10 TO 15 KT. SEAS 4 TO 6 FT.
.THU AND FRI...N OF 28N SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. S 
OF 28N SW WINDS 15 KT. SEAS 3 TO 5 FT.

$$
FORECASTER JSC/DGS