000
FZNT24 KNHC 160313
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO
NWS TPC/NATIONAL 
HURRICANE CENTER MIAMI FL
1030 PM CDT FRI MAY 15 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.

GMZ089-160930-
SYNOPSIS FOR THE GULF OF MEXICO
1030 PM CDT FRI MAY 15 2009

.SYNOPSIS...ATLC RIDGE EXTENDING WSW ALONG THE NORTHERN GULF 
COAST WILL SHIFT E THROUGH SUN IN RESPONSE TO A COLD FRONT
THAT MOVES OFF THE NW GULF COAST ON SUN. THE FRONT WILL QUICKLY
REACH FROM THE NE GULF TO SW GULF BY SUN EVENING...AND TO THE
SE GULF LATE MON AS A LOW PRES TROUGH STRENGTHENS IN THE 
VICINITY OF WESTERN CUBA AND THE YUCATAN CHANNEL. IN THE WAKE
OF THE FRONT...HIGH PRES BUILDING ACROSS THE GULF WILL RESULT IN 
A TIGHTENING PRES GRADIENT WITH INCREASING N WINDS THROUGHOUT. 
SEAS ARE EXPECTED TO BUILD OVER THE GULF BEHIND THE FRONT.

GMZ080-160930-
NW GULF N OF 25N W OF 90W
INCLUDING FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
1030 PM CDT FRI MAY 15 2009

.TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SAT AND SAT NIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.SUN AND SUN NIGHT...N TO NE WINDS 10 KT...INCREASING TO N TO NE 
WINDS 15 TO 20 KT N OF FRONT. SEAS 2 TO 4 FT...BUILDING TO 5 TO 
7 FT BEHIND FRONT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG 
FRONT.
.MON...N TO NE WINDS 20 KT THROUGHOUT. SEAS BUILDING TO 6 TO 8 
FT.
.TUE...NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN NE SWELL... 
HIGHEST E PART.
.WED...E OF 94W NE WINDS 20 KT. SEAS 7 TO 10 FT IN NE SWELL. W 
OF 94W NE WINDS 15 TO 20 KT. SEAS 4 TO 7 FT.

$$
GMZ082-160930-
SW GULF S OF 25N W OF 90W
1030 PM CDT FRI MAY 15 2009

.TONIGHT THROUGH SAT NIGHT...E OF 95W N TO E WINDS 15 TO 20 
KT...EXCEPT 20 TO 25 KT NEAR THE YUCATAN PENINSULA DURING THE 
EVENINGS. SEAS 4 TO 6 FT. ELSEWHERE E TO SE WINDS 10 TO 15 KT. 
SEAS 3 TO 5 FT.
.SUN AND SUN NIGHT...E TO NE WINDS 10 TO 15 KT INCREASING TO 20 
KT NW PART SUN NIGHT. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND 
TSTMS ALONG FRONT. 
.MON AND TUE...W OF 94W N WINDS 20 KT. SEAS 5 TO 8 FT. E OF 94W 
N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.WED...N TO NW WINDS 15 TO 20 KT. SEAS 5 TO 8 FT...HIGHEST NE 
PART. 

$$
GMZ084-160930-
MIDDLE GULF BETWEEN 85W AND 90W
1030 PM CDT FRI MAY 15 2009

.TONIGHT...S OF 26N E WINDS 15 TO 20 KT. SEAS  4 TO 6 FT. N OF 
26N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.SAT AND SAT NIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.SUN AND SUN NIGHT...N TO NE WINDS 10 TO 15 KT...INCREASING 
TO 15 TO 20 KT LATE SUN BEHIND FRONT. SEAS 3 TO 5 FT...BUILDING 
TO 5 TO 7 LATE SUN BEHIND FRONT. SCATTERED SHOWERS AND TSTMS 
ALONG FRONT.
.MON AND TUE...N OF 26N NE WINDS INCREASING TO 20 TO 25 KT LATE 
MON. SEAS BUILDING TO 7 TO 9 FT. S OF 26N N TO NW WINDS 15 TO 20 
KT. SEAS 5 TO 8 FT...EXCEPT 4 FT S OF 22N. SCATTERED SHOWERS AND 
TSTMS E PART.
.WED...N OF 25N NE WINDS 20 TO 25 KT. SEAS 7 TO 10 FT. S OF 25N 
NW TO W WINDS 15 TO 20 KT. SEAS 5 TO 8 FT.

$$
GMZ086-160930-
E GULF BETWEEN 81W AND 85W
1030 PM CDT FRI MAY 15 2009

.TONIGHT...S OF 25N E TO SE WINDS 15 TO 20 KT...EXCEPT TO 25 KT 
IN STRAITS OF FL. SEAS 5 TO 8 FT. N OF 25N E TO SE WINDS 10 TO 
15 KT. SEAS 2 TO 4 FT.  
.SAT AND SAT NIGHT...S OF 26N E TO SE WINDS 15 TO 20 KT. SEAS 5 
TO 7 FT. N OF 26N E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SUN AND SUN NIGHT...S OF 25N E WINDS 10 TO 15 KT. SEAS 3 TO 5 
FT. N OF 25N SE TO S WINDS 10 KT...BECOMING N LATE. SEAS 2 TO 4 
FT. SCATTERED SHOWERS AND TSTMS ALONG FRONT. 
.MON...N OF 26N N TO NE WINDS 10 TO 15 KT...INCREASING TO 20 KT 
BEHIND FRONT. SEAS 3 TO 5 FT...BUILDING TO 5 TO 6 FT BEHIND 
FRONT. S OF 26N NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
SCATTERED TO NUMEROUS SHOWERS AND TSTMS S OF 26N. 
.TUE...N OF 26N NE WINDS 20 KT. SEAS 5 TO 8 FT. S OF 26N NE TO E 
WINDS 10 TO 15 KT...BECOMING VARIABLE 5 TO 10 KT LATE. SEAS 3 TO 
5 FT...EXCEPT 2 TO 4 FT S OF 25N. SCATTERED TO NUMEROUS SHOWERS 
AND TSTMS S OF 26N.
.WED...N OF 26N NE WINDS 20 KT. SEAS 5 TO 8 FT. S OF 26N S WINDS 
10 TO 15 KT. SEAS 2 TO 4 FT.

$$
FORECASTER GR