000
FZNT24 KNHC 200924
OFFNT4

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

GMZ089-201530-
SYNOPSIS FOR THE GULF OF MEXICO
430 AM CDT THU MAY 20 2010

.SYNOPSIS...A RIDGE ACROSS THE NORTHERN PORTION WILL BE REPLACED
BY A SLIGHTLY STRONGER RIDGE FROM THE WESTERN ATLC SAT THROUGH
MON. A WEAK TROUGH WILL MOVE OFF THE YUCATAN PENINSULA INTO
THE BAY OF CAMPECHE SAT AND SLOWLY BECOME DIFFUSE THROUGH MON.

$$
GMZ080-201530-
NW GULF N OF 25N W OF 90W   
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 AM CDT THU MAY 20 2010

.TODAY AND TONIGHT...W OF 95W SE TO S WINDS 15 TO 20 KT. SEAS
3 TO 5 FT. E OF 95W E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
.FRI THROUGH MON...E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT
E OF 95W AND 3 TO 5 FT W OF 95W.

$$
GMZ082-201530-
SW GULF S OF 25N W OF 90W
430 AM CDT THU MAY 20 2010

.TODAY AND TONIGHT...E TO SE WINDS 10 TO 15 KT...EXCEPT NE 15 TO 
20 KT NEAR COAST OF YUCATAN DURING TONIGHT. SEAS 2 TO 4 FT N OF 
20N...AND 1 TO 3 FT S OF 20N.
.FRI THROUGH MON...N OF 20N E OF 92W NE TO E WINDS 10 TO 15 KT. 
SEAS BUILDING TO 3 TO 5 FT. N OF 29N W OF 92W E TO SE WINDS 10 
TO 15 KT. SEAS 2 TO 4 FT. S OF 20N WINDS VARIABLE 5 TO 10 KT.
SEAS 2 TO 3 FT.

$$
GMZ084-201530-
MIDDLE GULF BETWEEN 85W AND 90W   
430 AM CDT THU MAY 20 2010

.TODAY...S OF 26N E TO SE WINDS 10 TO 15 KT...EXCEPT NE TO E 
15 TO 20 KT S OF 24N. SEAS 3 TO 5 FT...EXCEPT 4 TO 6 FT S OF 
24N. N OF 26N E TO SE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. ISOLATED
SHOWERS AND TSTMS S OF 24N.
.FRI THROUGH SUN...S OF 25N E WINDS 15 TO 20 KT. SEAS BUILDING 5 
TO 7 FT. N OF 25N NE TO E WINDS 10 TO 15 KT. SEAS BUILDING TO 2 
TO 4 FT.
.MON...S OF 25N E WINDS 10 TO 15 KT. SEAS SUBSIDING TO 3 TO 5 
FT. N OF 25N WINDS BECOMING VARIABLE 5 TO 10 KT. SEAS 2 TO 3 FT.

$$
GMZ086-201530-
E GULF BETWEEN 81W AND 85W        
430 AM CDT THU MAY 20 2010

.TODAY...S OF 25N E TO SE WINDS 10 KT. SEAS 1 TO 2 FT. FROM 25N
TO 27N VARIABLE WINDS 5 TO 10 KT. SEAS NEAR 1 FOOT. N OF 27N SW
WINDS 5 TO 10 KT. SEAS 1 FOOT. SCATTERED SHOWERS AND ISOLATED 
TSTMS S OF 24N.
.TONIGHT THROUGH FRI NIGHT...S OF 26N E TO SE WINDS 10 TO 15 
KT...BECOMING NE TO E 15 TO 20 KT FRI NIGHT. SEAS 2 TO 4 FT...
BUILDING TO 4 TO 6 FT FRI NIGHT. N OF 26N VARIABLE WINDS 5 TO 10 
KT. SEAS BUILDING TO 1 TO 3 FT. SCATTERED SHOWERS AND ISOLATED 
TSTMS S OF 25N. 
.SAT THROUGH MON...N OF 26N NE TO E WINDS 10 TO 15 KT. SEAS 1 TO 
3 FT. S OF 26N NE TO E WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 
15 KT LATE SUN. SEAS SUBSIDING TO 2 TO 3 FT MON.

$$
FORECASTER AGUIRRE