000
FZNT24 KNHC 300855
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 AM CDT THU SEP 30 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. 

GMZ089-301530-
SYNOPSIS FOR THE GULF OF MEXICO
430 AM CDT THU SEP 30 2010

.SYNOPSIS...HIGH PRES WILL BUILD SE ACROSS THE AREA. STRONGER 
HIGH PRES WILL THEN SURGE SE ACROSS THE AREA DURING THE WEEKEND 
AND INTO MON ALLOWING FOR NORTHERLY WINDS TO PREVAIL THROUGHOUT 
THE GULF.

$$
GMZ080-301530-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 AM CDT THU SEP 30 2010

.TODAY AND TONIGHT...N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.FRI AND FRI NIGHT...N TO NE WINDS 10 TO 15 KT INCREASING TO 15 
TO 20 KT FRI NIGHT. SEAS 2 TO 4 FT BUILDING TO 3 TO 5 FT FRI 
NIGHT.
.SAT AND SUN...N TO NE WINDS 20 KT. SEAS 4 TO 7 FT BUILDING TO 6 
TO 8 FT E OF 93W SUN.
.MON...NE WINDS 15 TO 20 KT. SEAS 5 TO 8 FT E OF 93W...AND 4 TO 
6 FT W OF 93W.

$$
GMZ082-301530-
SW GULF S OF 25N W OF 90W
430 AM CDT THU SEP 30 2010

.TODAY AND TONIGHT...N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.FRI AND FRI NIGHT...N WINDS 15 KT. SEAS 3 TO 5 FT.
.SAT AND SUN...N TO NE WINDS 15 KT INCREASING TO 15 TO 20 KT 
SUN. SEAS 4 TO 6 FT...BUILDING TO 6 TO 8 FT E OF 94W.
.MON...N TO NE WINDS 15 TO 20 KT...BECOMING NW TO N 20 TO 25 KT 
FAR SW PORTION LATE. SEAS 6 TO 8 FT.

$$
GMZ084-301530-
MIDDLE GULF BETWEEN 85W AND 90W 
430 AM CDT THU SEP 30 2010

.TODAY AND TONIGHT...NW TO N WINDS 15 KT. SEAS 3 TO 5 FT.
.FRI AND FRI NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SAT...N OF 25N N TO NE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 
KT LATE. SEAS 4 TO 6 FT BUILDING 5 TO 8 FT LATE. S OF 25N N 
WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.SUN...N OF 24N NE WINDS 20 KT. SEAS 6 TO 8 FT. S OF OF 24N N TO 
NE WINDS 10 TO 15 KT...INCREASING TO 15 TO 20 KT LATE. SEAS 4 TO 
6 FT BUILDING TO 5 TO 7 FT LATE.
.MON...NE WINDS 20 TO 25 KT. SEAS 6 TO 9 FT.

$$
GMZ086-301530-
E GULF BETWEEN 81W AND 85W
430 AM CDT THU SEP 30 2010

.TODAY AND TONIGHT...NW TO N WINDS 15 TO 20 KT DIMINISHING TO 10 
TO 15 KT TONIGHT. SEAS 3 TO 5 FT.
.FRI AND FRI NIGHT...N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.SAT...N WINDS 10 TO 15 KT...INCREASING TO N TO NE 15 TO 20 KT N 
OF 27N LATE. SEAS 2 TO 4 FT...BUILDING TO 3 TO 5 FT N OF 27N 
LATE.
.SUN...N OF 25N N TO NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT... 
BUILDING TO 5 TO 7 FT LATE. S OF 25N N TO NE WINDS 10 TO 15 KT.
SEAS 2 TO 4 FT.
.MON...NE WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT LATE. SEAS 
5 TO 7 FT BUILDING TO 6 TO 8 FT LATE.

$$
FORECASTER AL