000
FZNT24 KNHC 172117
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 PM CDT SAT JUL 17 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. 

GMZ089-180330-
SYNOPSIS FOR THE GULF OF MEXICO
430 PM CDT SAT JUL 17 2010

.SYNOPSIS...A TROUGH ALONG 95W WILL APPROACH THE TEXAS COAST 
TONIGHT WHILE WEAKENING. A WEAK RIDGE EXTENDING FROM NORTH 
CENTRAL FLORIDA TO NEAR 26N90W WILL LIFT N TO NEAR 30N SUN NIGHT 
INTO NEXT WEEK AS ANOTHER TROUGH ENTERS THE EASTERN GULF LATE 
MON REACHING THE MIDDLE GULF TUE AND THEN THE WESTERN GULF WED. 
A RIDGE BUILDS ALONG THE GULF COASTAL PLAIN THU.
 
$$
GMZ080-180330-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 PM CDT SAT JUL 17 2010

.TONIGHT...W OF 95W NE TO E WINDS WINDS 5 TO 10 KT BECOMING SE 
TO S WINDS 10 KT LATE. SEAS 1 TO 2 FT. E OF 95W SE TO S WINDS 10 
TO 15 KT. SEAS 2 TO 3 FT. SCATTERED SHOWERS AND TSTMS W PORTION 
EARLY.
.SUN THROUGH MON NIGHT...E TO SE WINDS 5 TO 10 KT EXCEPT 10 TO 
15 KT W OF 94W. SEAS 1 TO 2 FT EXCEPT 2 TO 4 FT W OF 94W.
.TUE THROUGH THU...E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT 
BUILDING TO 3 TO 5 FT THU. SCATTERED SHOWERS AND TSTMS NEAR 
TROUGH WED.

$$
GMZ082-180330-
SW GULF S OF 25N W OF 90W
430 PM CDT SAT JUL 17 2010

.TONIGHT...E TO SE WINDS 10 TO 15 KT EXCEPT N TO NE S OF 23N W 
OF 96W. SEAS 1 TO 3 FT. SCATTERED SHOWERS AND TSTMS S OF 23N W 
OF 93W.
.SUN THROUGH TUE...E TO SE WINDS 10 TO 15 KT EXCEPT NE 15 KT 
NEAR YUCATAN COAST DURING THE EVENINGS. SEAS 1 TO 3 FT BUILDING 
TO 2 TO 4 FT MON AND TUE.
.WED...E OF TROUGH E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. W 
OF TROUGH NE TO E WINDS 5 TO 10 KT. SEAS 2 TO 4 FT IN E SWELL. 
SCATTERED SHOWERS AND TSTMS NEAR TROUGH.
.THU...E TO SE WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT LATE. 
SEAS 2 TO 4 FT.

$$
GMZ084-180330-
MIDDLE GULF BETWEEN 85W AND 90W 
430 PM CDT SAT JUL 17 2010

.TONIGHT...S OF 26N E TO SE WINDS 10 TO 15 KT EXCEPT NE NEAR 
YUCATAN COAST DURING THE EVENING. SEAS 2 TO 4 FT. N OF 26N SE TO 
S WINDS 10 TO 15 KT BECOMING E TO SE 5 TO 10 KT LATE. SEAS 2 TO 
4 FT.
.SUN THROUGH MON NIGHT...S OF 26N NE TO E WINDS 10 TO 15 KT 
BECOMING E TO SE LATE MON. SEAS 3 TO 5 FT. N OF 26N SE TO S 
WINDS 5 TO 10 KT BECOMING E TO SE WINDS 10 TO 15 KT MON AND MON 
NIGHT. SEAS 3 TO 5 FT IN E SWELL. SCATTERED SHOWERS AND TSTMS 
MON AND MON NIGHT S OF 28N.
.TUE...S OF 26N E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT EXCEPT 
TO 6 FT IN YUCATAN CHANNEL. N OF 26N E TO SE WINDS 10 TO 15 KT. 
SEAS 2 TO 4 FT. SCATTERED SHOWERS AND TSTMS.
.WED...S OF 26N E TO SE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 
KT E PORTION LATE. SEAS 3 TO 5 FT. N OF 26N SE WINDS 10 TO 15 KT 
INCREASING TO 15 TO 20 KT E PORTION LATE. SEAS 3 TO 5 FT. 
SCATTERED SHOWERS AND TSTMS W OF 87W.
.THU...S OF 24N NE TO E WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. FROM 
24N TO 28N NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. N OF 28N E 
TO SE WINDS 10 TO 15 KT BECOMING VARIABLE 5 TO 10 KT LATE. SEAS 
3 TO 5 FT IN SE SWELL. SCATTERED SHOWERS AND TSTMS S OF 24N.

$$
GMZ086-180330-
E GULF BETWEEN 81W AND 85W  
430 PM CDT SAT JUL 17 2010

.TONIGHT THROUGH SUN NIGHT...S OF 26N E WINDS 15 TO 20 KT 
DIMINISHING TO 10 TO 15 KT SUN NIGHT EXCEPT 20 KT IN STRAITS OF 
FLORIDA. SEAS 4 TO 6 FT SUBSIDING TO 3 TO 5 FT SUN NIGHT EXCEPT 
5 TO 8 FT IN STRAITS OF FLORIDA. N OF 26N SE TO S WINDS 10 TO 15 
KT SHIFTING E TO SE SUN AND SUN NIGHT. SEAS 1 TO 3 FT. SCATTERED 
SHOWERS AND TSTMS S OF 25N AND ISOLATED N OF 25N.
.MON AND MON NIGHT...S OF 26N E TO SE WINDS 10 TO 15 KT. SEAS 2 
TO 4 FT EXCEPT TO 5 FT IN STRAITS OF FLORIDA. N OF 26N E TO SE 
WINDS 5 TO 10 KT. SEAS 1 TO 3 FT BUILDING TO 3 TO 4 FT IN SE 
SWELL LATE. SCATTERED SHOWERS AND TSTMS.
.TUE...S OF 26N E TO SE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 
KT LATE. SEAS 2 TO 4 FT BUILDING TO 4 TO 6 FT LATE. N OF 26N SE 
WINDS 10 TO 15 KT. SEAS 3 TO 5 FT IN SE SWELL. SCATTERED SHOWERS
AND TSTMS S OF 27N.
.WED...S OF 26N E TO SE WINDS 15 TO 20 KT EXCEPT TO 25 KT NEAR 
THE STRAITS OF FLORIDA. SEAS 5 TO 7 FT EXCEPT TO 9 FT IN 
STRAITS OF FLORIDA. N OF 26N E TO SE WINDS 15 TO 20 KT. SEAS 3 
TO 5 FT IN SE SWELL. SCATTERED SHOWERS AND TSTMS S OF 27N.
.THU...S OF 26N E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT EXCEPT TO 9 
FT IN STRAITS OF FLORIDA. N OF 26N E TO SE WINDS 15 TO 20 KT 
BECOMING NE TO E WINDS 10 TO 15 KT LATE. SEAS 3 TO 5 FT 
SUBSIDING TO 2 TO 4 FT LATE.

$$
FORECASTER SCHAUER