000
FZNT24 KNHC 191409
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 AM CDT MON JUL 19 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. 

GMZ089-192130-
SYNOPSIS FOR THE GULF OF MEXICO
1030 AM CDT MON JUL 19 2010

.SYNOPSIS...THE NORTHERN PORTION OF A TROPICAL WAVE ALONG 88W 
WILL SHIFT TO THE SW GULF TONIGHT MOVING INLAND OVER MEXICO TUE 
NIGHT. A RIDGE ALONG 30N WILL REMAIN NEARLY STATIONARY THROUGH 
FRI. A TROUGH WILL ENTER THE SE GULF FRI.
 
$$
GMZ080-192130-
NW GULF N OF 25N W OF 90W 
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
1030 AM CDT MON JUL 19 2010

.THIS AFTERNOON AND TONIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 2 
TO 3 FT BUILDING TO 3 TO 4 FT IN SE SWELL TONIGHT. SCATTERED 
SHOWERS AND TSTMS SE PORTION TONIGHT.
.TUE THROUGH FRI...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
SCATTERED SHOWERS AND TSTMS NEAR TROUGH WED.

$$
GMZ082-192130-
SW GULF S OF 25N W OF 90W
1030 AM CDT MON JUL 19 2010

.THIS AFTERNOON THROUGH TUE NIGHT...E TO SE WINDS 10 TO 15 KT 
EXCEPT NE TO E DURING THE EVENINGS. SEAS 2 TO 3 FT.
.WED AND THU...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.
.FRI...E TO SE WINDS 10 TO 15 KT EXCEPT NE NEAR YUCATAN COAST 
DURING THE EVENING. SEAS 3 TO 5 FT.

$$
GMZ084-192130-
MIDDLE GULF BETWEEN 85W AND 90W 
1030 AM CDT MON JUL 19 2010

.THIS AFTERNOON THROUGH TUE NIGHT...S OF 26N E TO SE WINDS 10 TO 
15 KT EXCEPT NE NEAR THE YUCATAN COAST DURING THE EVENINGS. SEAS 
3 TO 5 FT. N OF 26N E TO SE WINDS 10 TO 15 KT EXCEPT 15 TO 20 KT 
DURING THE EVENINGS. SEAS 2 TO 4 FT BUILDING TO 3 TO 5 FT IN SE 
SWELL MON NIGHT AND TUE...AND BUILDING TO 4 TO 6 FT TUE NIGHT. 
SCATTERED SHOWERS AND TSTMS.
.WED...S OF 26N E TO SE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 
KT NE PORTION LATE. SEAS 3 TO 5 FT BUILDING TO 4 TO 6 FT NE 
PORTION LATE. N OF 26N SE WINDS 10 TO 15 KT EXCEPT 15 TO 20 KT 
DURING THE EVENING. SEAS 4 TO 6 FT IN SE SWELL. SCATTERED 
SHOWERS AND TSTMS.
.THU...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 7 FT IN E SWELL... 
HIGHEST S OF 25N. SCATTERED SHOWERS AND TSTMS S OF 28N.
.FRI...S OF 25N E TO SE WINDS 10 TO 15 KT EXCEPT NE TO E 15 TO 
20 KT DURING THE EVENING. SEAS 4 TO 6 FT. N OF 26N E TO SE WINDS 
10 TO 15 KT EXCEPT NE TO E 5 TO 10 KT N OF 28N. SEAS 3 TO 5 FT 
EXCEPT 2 TO 4 FT N OF 28N. SCATTERED SHOWERS AND TSTMS S OF 28N.

$$
GMZ086-192130-
E GULF BETWEEN 81W AND 85W  
1030 AM CDT MON JUL 19 2010

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

$$
FORECASTER LEWITSKY