000
FZNT24 KNHC 311530
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 AM CDT SAT JUL 31 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. 

GMZ089-312130-
SYNOPSIS FOR THE GULF OF MEXICO
1030 AM CDT SAT JUL 31 2010

.SYNOPSIS...A TROUGH EXTENDS FROM THE FLORIDA BIG BEND SW TO 
NEAR 23N88W WITH SHOWERS AND TSTMS PERSISTING ALONG AND TO THE 
W. THE S PORTION OF THIS TROUGH WILL BEGIN TO DRIFT W AND DETACH 
FROM THE N PART AS A TROPICAL WAVE ACROSS THE FAR W CARIB MOVES 
ACROSS THE YUCATAN PENINSULA TONIGHT AND ACROSS THE FAR SW GULF 
SUN EVENING AND NIGHT. THE N PORTION OF THE TROUGH WILL DRIFT NW 
AND WEAKEN SUN THROUGH MON AS A RIDGE WILL BUILD W ACROSS THE 
NORTHERN GULF WATERS.

$$
GMZ080-312130-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 1030 
1030 AM CDT SAT JUL 31 2010

.THIS AFTERNOON AND TONIGHT...W OF 94W SW TO W WINDS 5 TO 10 KT. 
SEAS 1 TO 2 FT. E OF 94W NW TO N WINDS 10 TO 15 KT DIMINISHING 
TO 5 TO 10 KT TONIGHT. SEAS 2 FT.
.SUN AND SUN NIGHT...VARIABLE WINDS 5 TO 10 KT. SEAS 1 T0 2 FT.
.MON AND TUE...SE TO S WINDS 5 TO 10 KT BECOMING E TO SE 10 TO 
15 KT TUE. SEAS 1 TO 2 FT.
.WED...E TO SE WINDS 10 KT. SEAS 1 TO 2 FT.   

$$
GMZ082-312130-
SW GULF S OF 25N W OF 90W
1030 AM CDT SAT JUL 31 2010

.THIS AFTERNOON AND TONIGHT...N OF 23N VARIABLE WINDS 5 TO 10 KT 
EXCEPT NW TO N WINDS 10 KT NE PART. SEAS 1 TO 3 FT. S OF 23N NE 
TO E WINDS 10 KT BECOMING N TO NE THIS EVENING. SEAS 1 TO 2 FT. 
SCATTERED SHOWERS ISOLATED TSTMS FAR NE PART.
.SUN AND SUN NIGHT...VARIABLE WINDS 5 TO 10 KT. SEAS 1 T0 2 FT.
.MON AND TUE...E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
.WED...NE TO E WINDS 5 TO 10 KT. SEAS 2 FT.

$$
GMZ084-312130-
MIDDLE GULF BETWEEN 85W AND 90W 
1030 AM CDT SAT JUL 31 2010

.THIS AFTERNOON AND TONIGHT...NW OF TROUGH NW TO N WINDS 10 KT. 
SEAS 2 TO 3 FT. SE OF TROUGH VARIABLE WINDS 5 TO 10 KT. SEAS 1 
TO 2 FT. SCATTERED SHOWERS ISOLATED TSTMS ALONG AND NW OF TROUGH.
.SUN AND SUN NIGHT...SE TO S WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
.MON AND TUE...N OF 26N VARIABLE WINDS 5 TO 10 KT. SEAS 1 TO 2 
FT. S OF 26N NE TO E WINDS 5 TO 10 KT INCREASING TO 15 KT 
YUCATAN CHANNEL LATE TUE. SEAS 1 TO 3 FT.  
.WED...N OF 28N VARIABLE WINDS 5 TO 10 KT. SEAS 1 FT. S OF 28N 
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.

$$
GMZ086-312130-
E GULF BETWEEN 81W AND 85W...
1030 AM CDT SAT JUL 31 2010

.THIS AFTERNOON AND TONIGHT...SW TO W WINDS 5 TO 10 KT. SEAS 1 
TO 3 FT. ISOLATED SHOWERS AND TSTMS.
.SUN AND SUN NIGHT...N OF 25N S TO SW WINDS 5 TO 10 KT BECOMING 
VARIABLE SUN NIGHT. S OF 25N E TO SE WINDS 10 KT. SEAS 1 TO 2 FT.
.MON AND TUE...N OF 25N VARIABLE WINDS 5 TO 10 KT. SEAS 1 FT. S 
OF 25N NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
.WED...N OF 28N VARIABLE WINDS 5 KT. SEAS CALM. S OF 28N E WINDS 
10 TO 15 KT. SEAS 1 TO 3 FT.

$$
FORECASTER STRIPLING