000
FZNT24 KNHC 122051
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 PM CDT SUN SEP 12 2010

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. 

GMZ089-122130-
SYNOPSIS FOR THE GULF OF MEXICO
430 PM CDT SUN SEP 12 2010

.SYNOPSIS...A COLD FRONT WILL CLIP THE FAR N WATERS TONIGHT INTO 
MON. A WEAK SURFACE TROUGH WILL LINGER OVER THE FAR SW GULF 
THROUGH WED. A LOW PRES SYSTEM IN THE EASTERN CARIBBEAN JUST 
SOUTH OF HAITI WILL MOVE INTO THE NW CARIBBEAN WED...POSSIBLY AS 
A TROPICAL CYCLONE...INCREASING WINDS AND SEAS IN THE FAR 
SOUTHERN GULF. THE SYSTEM IS FORECAST TO BE OVER THE YUCATAN 
NEAR 20N90W THU MORNING AND MOVE NW TO NEAR 22N97W THROUGH LATE 
FRI NIGHT.

$$
GMZ080-122130-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 PM CDT SUN SEP 12 2010

.TONIGHT...E OF 94W NE TO E WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. W 
OF 94W E TO SE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. SCATTERED 
SHOWERS ISOLATED TSTMS E OF 94W.
.MON AND MON NIGHT...NE TO E WINDS 10 TO 15 KT BECOMING E TO SE 
MON NIGHT. SEAS 2 TO 3 FT.
.TUE THROUGH WED...E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT 
BUILDING TO 3 TO 5 FT E OF 94W WED.
.THU...E OF 94W E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. W OF 
94W E TO SE WINDS 5 TO 10 KT. SEAS 1 TO 3 FT.
.FRI...N OF 27N E TO SE WINDS 10 KT. SEAS 2 TO 4 FT. S OF 27N E 
TO SE WINDS 15 KT. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND TSTMS 
S PART.

$$
GMZ082-122130-
SW GULF S OF 25N W OF 90W
430 PM CDT SUN SEP 12 2010

.TONIGHT AND MON...E TO SE WINDS 5 TO 10 KT SHIFTING N TO NE 
MON. SEAS 2 TO 3 FT. SCATTERED SHOWERS WESTERN BAY OF CAMPECHE 
EARLY TONIGHT.
.MON NIGHT...N OF 22N E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. S OF 
22N N TO NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. SCATTERED SHOWERS 
AND TSTMS BAY OF CAMPECHE.
.TUE THROUGH WED...N OF 20N E OF 95W NE TO E WINDS 10 TO 15 KT. 
SEAS 2 TO 4 FT. ELSEWHERE NW TO N WINDS 10 TO 15 KT. SEAS 2 TO 3 
FT. SCATTERED SHOWERS AND TSTMS SE PART WED.
.THU AND FRI...WITHIN 90 NM OF LOW PRES...POSSIBLE TROPICAL 
CYCLONE...WINDS 20 TO 25 KT. SEAS 7 TO 10 FT. ELSEWHERE N OF LOW 
PRES NE TO E WINDS 15 TO 20 KT BECOMING SE TO S WINDS BEHIND LOW 
PRES. SEAS 4 TO 7 FT. ELSEWHERE S OF LOW PRES NW TO N WINDS 15 
KT BECOMING S WINDS 10 TO 15 KT BEHIND LOW PRES. SEAS 3 TO 5 FT. 
SCATTERED SHOWERS AND TSTMS NEAR LOW PRES. 

$$
GMZ084-122130-
MIDDLE GULF BETWEEN 85W AND 90W 
430 PM CDT SUN SEP 12 2010

.TONIGHT...N OF 28N VARIABLE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. S 
OF 28N N TO NE WINDS 10 KT INCREASING TO 10 TO 15 KT LATE. SEAS 
1 TO 2 FT BUILDING TO 2 TO 4 FT LATE. SCATTERED SHOWERS ISOLATED 
TSTMS N OF 27N. 
.MON AND MON NIGHT...NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
SCATTERED SHOWERS ISOLATED TSTMS NEAR GULF COAST AND S PART.
.TUE AND TUE NIGHT...NE TO E WINDS 10 TO 15 KT OCCASIONALLY 
INCREASING TO 20 KT TUE NIGHT. SEAS BUILDING TO 3 TO 5 FT.
.WED AND THU...E TO SE WINDS 10 TO 15 KT EXCEPT TO 20 KT S OF 
23N. SEAS 4 TO 6 FT IN E SWELL. SCATTERED SHOWERS AND TSTMS S 
HALF.
.FRI...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 

$$
GMZ086-122130-
E GULF BETWEEN 81W AND 85W
430 PM CDT SUN SEP 12 2010

.TONIGHT...N OF 27N VARIABLE WINDS 5 TO 10 KT BECOMING NW TO N 
10 KT LATE. SEAS 1 FT. S OF 27N NE TO E WIND 10 TO 15 KT. SEAS 1 
TO 2 FT. SCATTERED SHOWERS ISOLATED TSTMS PRIMARILY N OF 27N.
.MON AND MON NIGHT...NE TO E WINDS 10 KT INCREASING TO 1O TO 15 
KT S OF 25N MON NIGHT. SEAS 1 TO 2 FT N OF 25N AND 2 TO 3 FT S 
OF 25N.
.TUE THROUGH WED...NE TO E WINDS 10 TO 15 KT INCREASING TO 15 TO 
20 KT TUE NIGHT AND SHIFTING E TO SE WED. SEAS 3 TO 5 FT 
BUILDING TO 4 TO 7 FT S OF 25N TUE NIGHT AND WED. SCATTERED 
SHOWERS ISOLATED TSTMS S PART.
.THU AND FRI...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.

$$
FORECASTER SCHAUER