000 FZNT24 KNHC 200921 OFFNT4 OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 430 AM CDT WED MAY 20 2009 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 WED MAY 20 2009 .SYNOPSIS...A 1007 MB LOW NEAR 25N83W WILL SLOWLY MOVE W ALONG 25N REACHING 85W THIS EVENING...88W THU EVENING...AND 91W FRI EVENING BEFORE SLOWLY LIFTING NORTHWARD TOWARD THE LOUISIANA COAST OVER THE WEEKEND WITH VERY LITTLE CHANGE IN SURFACE PRESSURE. A TIGHT PRES GRADIENT BETWEEN THE LOW AND STRONG HIGH PRES RIDGING ACROSS THE NORTHERN GULF WILL ALLOW FOR GALE FORCE WINDS OVER THE NORTHERN PORTION TO CONTINUE THROUGH TONIGHT. GMZ080-201530- NW GULF N OF 25N W OF 90W INCLUDING FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 430 AM CDT WED MAY 20 2009 .TODAY TROUGH THU NIGHT...E OF 93W N TO NE WINDS 15 TO 20 KT. SEAS BUILDING TO 8 TO 10 FT IN NE SWELL. W OF 93W NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND ISOLATED TSTMS SPREADING INTO E PART. .FRI AND SAT...N TO NE WINDS 10 TO 15 KT...EXCEPT W OF 95W BECOMING VARIABLE 5 TO 10 KT LATE SAT. SEAS 3 TO 5 FT E OF 93W... SUBSIDING TO 2 TO 3 FT W OF 93W LATE SAT. SCATTERED SHOWERS AND TSTMS E PART. .SUN...E OF 93W W TO NW WINDS 5 TO 10 KT...EXCEPT FAR N PART N TO NE 10 KT. SEAS 2 TO 3 FT. W OF 93W WINDS BECOMING SE TO S 10 TO 15 KT. SEAS BUILDING 2 TO 4 FT. SCATTERED SHOWERS AND TSTMS E PART.. $$ GMZ082-201530- SW GULF S OF 25N W OF 90W 430 AM CDT WED MAY 20 2009 .TODAY AND TONIGHT...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN NE SWELL. .THU AND THU NIGHT...N OF 23N E OF 93W NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN NE SWELL. ELSEWHERE NW TO N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT IN NE SWELL. .FRI...NW WINDS 10 KT. SEAS 4 TO 6 FT IN NE SWELL. .SAT AND SUN...NW TO N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. $$ GMZ084-201530- MIDDLE GULF BETWEEN 85W AND 90W 430 AM CDT WED MAY 20 2009 ...GALE WARNING N OF 27N... .TODAY AND TONIGHT...N OF 27N NE TO E WINDS 25 TO 35 KT...EXCEPT 30 TO 40 KT E OF 86W...DIMINISHING TO 20 TO 30 KT EVERYWHERE LATE TONIGHT. SEAS 8 TO 14 FT SUBSIDING TO 7 TO 10 FT LATE TONIGHT. FROM 24N TO 27N N WINDS 20 TO 30 KT DIMINISHING TO 15 TO 20 KT TONIGHT AND BECOMING S WINDS E OF LOW CENTER. SEAS 8 TO 10 FT. S OF 24N N WINDS 15 TO 20 KT SHIFTING W TO NW TONIGHT. SEAS 6 TO 8 FT. .THU AND THU NIGHT...N OF 28N NE TO E WINDS 20 TO 30 KT. SEAS 7 TO 10 FT. WITHIN 90 NM OF LOW CENTER WINDS 5 TO 10 KT. SEAS SUBSIDING TO 4 TO 6 FT. ELSEWHERE N OF 25N E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. ELSEWHERE S OF 25N W WINDS 15 TO 20 KT. SEAS 6 TO 7 FT. .FRI...N OF 28N E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT. WITHIN 90 NM OF LOW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. ELSEWHERE SE TO S WINDS 10 TO 15 KT...EXCEPT SW WINDS 15 TO 20 KT S OF 25N. SEAS 3 TO 5 FT. .SAT AND SUN...N OF 27N SE TO S WINDS 20 KT. SEAS 5 TO 7 FT. S OF 27N S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. $$ GMZ086-201530- E GULF BETWEEN 81W AND 85W 430 AM CDT WED MAY 20 2009 ...GALE WARNING N OF 27N... .TODAY AND TONIGHT...N OF 27N NE TO E WINDS 30 TO 40 KT...DIMINISHING TO 20 TO 30 KT LATE TONIGHT. SEAS 8 TO 14 FT SUBSIDING TO 7 TO 10 FT LATE TONIGHT. FROM 25N TO 27N N TO NE WINDS 20 TO 30 KT BECOMING E TO SE WINDS 15 TO 20 KT TONIGHT. SEAS 8 TO 12 FT SUBSIDING TO 6 TO 8 FT TONIGHT. S OF 25N S TO SW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.NUMEROUS SHOWERS AND TSTMS TONIGHT N OF 24N. .THU THROUGH FRI...N OF 25N E TO SE WINDS 20 TO 35 KT...DIMINISHING TO 15 TO 20 KT S OF 28N LATE FRI. SEAS 7 TO 9 FT SUBSIDING TO 5 TO 7 FT FRI. S OF 25N S TO SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. .SAT...N OF 28N E TO SE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. S OF 28N S TO SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SUN...N OF 28N E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. S OF 28N S TO SW WINDS 5 TO 10 KT. SEAS 1 TO 3 FT. $$ FORECASTER SCHAUER CLARK