000
FZNT24 KNHC 210244
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 PM CDT WED OCT 20 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. 

GMZ089-210930-
SYNOPSIS FOR THE GULF OF MEXICO
1030 PM CDT WED OCT 20 2010

.SYNOPSIS...A HIGH PRESSURE CENTER WILL MEANDER OVER THE 
NORTHERN GULF WATERS THROUGH THU NIGHT THEN SHIFT N OF THE AREA 
FRI WITH A RIDGE DISSECTING THE GULF FROM NW FLORIDA TO THE BAY 
OF CAMPECHE FRI NIGHT THROUGH SUN AND SHIFTING TO ALONG 25N MON 
TO MAKE WAY FOR TROPICAL DEPRESSION NINETEEN WHICH IS FORECAST 
TO BE OVER THE YUCATAN AND MOVING TOWARD THE SW GULF MON.

$$
GMZ080-210930-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
1030 PM CDT WED OCT 20 2010

.TONIGHT...W OF 94W SE TO S WINDS 5 TO 10 KT. SEAS 1 TO 3 FT. E 
OF 94W N WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
.THU...W OF 93W SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. E OF 
93W VARIABLE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
.THU NIGHT AND FRI...W OF 94W SE TO S WINDS 15 TO 20 KT. SEAS 4 
TO 7 FT. E OF 94W E TO SE WINDS 5 TO 10 KT INCREASING TO 10 TO 
15 KT FRI. SEAS 1 TO 3 FT.
.FRI NIGHT...SE TO S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT W OF 94W 
AND 2 TO 4 FT E OF 94W.
.SAT...SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 7 FT. SCATTERED 
SHOWERS W PART.
.SUN...W OF 95W S WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. E OF 95W SE 
TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
.MON...S TO SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SCATTERED 
SHOWERS ISOLATED TSTMS N PART.

$$
GMZ082-210930-
SW GULF S OF 25N W OF 90W
1030 PM CDT WED OCT 20 2010

.TONIGHT AND THU...W OF 94W SE TO S WINDS 10 TO 15 KT. SEAS 1 TO 
3 FT. E OF 94W NE TO E WINDS 5 TO 10 KT. SEAS 1 TO 3 FT.
.THU NIGHT THROUGH MON...N OF 20N W OF 95W SE TO S WINDS 15 TO 
20 KT. SEAS 4 TO 6 FT. ELSEWHERE E TO SE WINDS 10 TO 15 KT 
EXCEPT NE WINDS ALONG THE YUCATAN COAST DURING EVENINGS AND 
BECOMING N TO NE WINDS 15 TO 20 KT S OF 21N E OF 92W MON. SEAS 2 
TO 4 FT BUILDING TO 4 TO 6 FT S OF 21N E OF 92W MON. SCATTERED 
SHOWERS SE PART MON. 

$$
GMZ084-210930-
MIDDLE GULF BETWEEN 85W AND 90W 
1030 PM CDT WED OCT 20 2010

.TONIGHT...N TO NE WINDS 10 TO 15 KT EXCEPT NW TO N WINDS N OF 
28N. SEAS 2 TO 4 FT. 
.THU AND THU NIGHT...N OF 26N N TO NE WINDS 5 TO 10 KT. SEAS 1 
TO 3 FT. S OF 26N N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.FRI...N OF 25N NE TO E WINDS 10 KT. SEAS 1 TO 2 FT. S OF 25N NE 
TO E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.FRI NIGHT...N OF 25N NE TO E WINDS 10 TO 15 KT SHIFTING E TO SE 
N OF 28N LATE. SEAS 2 TO 4 FT. S OF 25N NE TO E WINDS 15 TO 20 
KT. SEAS 4 TO 6 FT.
.SAT...N OF 26N E TO SE WINDS 15 KT. SEAS 4 TO 6 FT. S OF 26N E 
WINDS 15 TO 20 KT. SEAS 4 TO 7 FT.
.SUN...SE WINDS 10 TO 15 KT EXCEPT E WINDS 15 TO 20 KT S OF 24N. 
SEAS 4 TO 7 FT IN E SWELL. SCATTERED SHOWERS N PART.
.MON...N OF 27N S TO SW WINDS 15 KT. SEAS 4 TO 6 FT. S OF 27N S 
TO SE WINDS 10 TO 15 KT EXCEPT NE TO E WINDS 20 KT ALONG THE 
YUCATAN COAST. SEAS 4 TO 6 FT. ISOLATED TSTMS N OF 27N AND S OF 
24N.

$$
GMZ086-210930-
E GULF BETWEEN 81W AND 85W
1030 PM CDT WED OCT 20 2010

.TONIGHT THROUGH THU NIGHT...N TO NE WINDS 10 TO 15 KT EXCEPT NW 
TO N WINDS N OF 28N. SEAS 2 TO 4 FT.
.FRI...NE WINDS 10 TO 15 KT INCREASING TO 20 KT IN STRAITS OF 
FLORIDA LATE. SEAS 1 TO 3 FT EXCEPT 3 TO 5 FT IN STRAITS OF 
FLORIDA.
.FRI NIGHT...NE TO E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT EXCEPT 4 
TO 7 FT S OF 25N.
.SAT...E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT EXCEPT 5 TO 8 
FT IN STRAITS OF FLORIDA.
.SUN...N OF 26N SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. S OF 26N E 
TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.MON...SE TO S WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT N OF 
28N LATE. SEAS 3 TO 5 FT.

$$
FORECASTER SCHAUER