000 FZNT24 KNHC 201453 OFFNT4 OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 1030 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. GMZ089-202130- SYNOPSIS FOR THE GULF OF MEXICO 1030 AM CDT WED MAY 20 2009 .SYNOPSIS...A 1007 MB LOW NEAR 25N83W WILL SLOWLY MOVE W TO NEAR 25N86W TONIGHT...26N88W THU EVENING...AND 26N90W FRI EVENING BEFORE SLOWLY LIFTING N 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 N GULF WILL SUPPORT GALE CONDITIONS OVER THE NE AND N MIDDLE WATERS THROUGH TONIGHT. GMZ080-202130- NW GULF N OF 25N W OF 90W INCLUDING FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 1030 AM CDT WED MAY 20 2009 .THIS AFTERNOON TROUGH THU NIGHT...E OF 93W N TO NE WINDS 15 TO 20 KT...EXCEPT 20 TO 25 KT N OF 27N E OF 92W. SEAS 7 TO 10 FT IN NE SWELL. W OF 93W NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 7 FT IN NE SWELL. SCATTERED SHOWERS AND ISOLATED TSTMS E PART. .FRI AND SAT...E OF 95W N TO NE WINDS 10 TO 15 KT SHIFTING NW TO N SAT. SEAS 4 TO 6 FT SUBSIDING TO 3 TO 4 FT SAT. W OF 95W VARIABLE WINDS 10 KT OR LESS. SEAS 3 TO 5 FT SUBSIDING TO 2 TO 3 FT SAT. SCATTERED SHOWERS AND TSTMS E PART. .SUN...E OF 93W W TO NW WINDS 5 TO 10 KT...EXCEPT FAR N PART NW TO N 10 KT. SEAS 2 TO 3 FT. W OF 93W VARIABLE WINDS BECOMING SE TO S 10 TO 15 KT. SEAS 1 TO 3 FT. SCATTERED SHOWERS AND TSTMS NE PART. $$ GMZ082-202130- SW GULF S OF 25N W OF 90W 1030 AM CDT WED MAY 20 2009 .THIS AFTERNOON AND TONIGHT...N OF 23N E OF 93W N TO NE WINDS 15 TO 20 KT. SEAS 7 TO 9 FT IN NE SWELL. ELSEWHERE N TO NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN NE SWELL. .THU AND THU NIGHT...N OF 23N E OF 95W NW TO N WINDS 10 TO 15 KT. SEAS 5 TO 8 FT IN NE SWELL. ELSEWHERE NW TO N WINDS 5 TO 10 KT. SEAS 3 TO 5 FT IN NE SWELL. .FRI...N OF 23N E OF 93W NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN NE SWELL. ELSEWHERE NW TO N WINDS 10 KT OR LESS. SEAS 3 TO 5 FT. .SAT AND SUN...VARIABLE WINDS 5 TO 10 KT BECOMING E TO SE 10 TO 15 KT SUN. SEAS 1 TO 3 FT. $$ GMZ084-202130- MIDDLE GULF BETWEEN 85W AND 90W 1030 AM CDT WED MAY 20 2009 ...GALE WARNING N OF 27N E OF 88W... .THIS AFTERNOON AND TONIGHT...N OF 27N NE TO E WINDS 25 TO 35 KT...EXCEPT 30 TO 40 KT N OF 28N E OF 86W. WINDS DIMINISHING TO 20 TO 30 KT LATE TONIGHT. SEAS 10 TO 14 FT SUBSIDING TO 8 TO 12 FT LATE TONIGHT. FROM 24N TO 27N N TO NE WINDS 20 TO 30 KT DIMINISHING TO 15 TO 20 KT TONIGHT BECOMING SE TO S 15 TO 20 KT E OF LOW CENTER. SEAS 8 TO 12 FT IN NE SWELL. S OF 24N W TO NW WINDS 15 TO 20 KT. SEAS 7 TO 9 FT IN NE SWELL. SCATTERED SHOWERS AND TSTMS N OF 24N. .THU AND THU NIGHT...N OF 28N NE TO E WINDS 20 TO 30 KT. SEAS 7 TO 11 FT. WITHIN 90 NM OF LOW CENTER WINDS 5 TO 10 KT. SEAS 5 TO 8 IN NE SWELL. ELSEWHERE N OF 25N E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN NE SWELL. ELSEWHERE S OF 25N SW TO W WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. SCATTERED SHOWERS AND TSTMS N OF 23N. .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. SCATTERED SHOWERS AND TSTMS N OF 24N. .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. $$ GMZ086-202130- E GULF BETWEEN 81W AND 85W 1030 AM CDT WED MAY 20 2009 ...GALE WARNING N OF 27N... .THIS AFTERNOON AND TONIGHT...N OF 27N NE TO E WINDS 25 TO 35 KT...EXCEPT TO 40 KT NEAR N COASTAL WATERS. WINDS DIMINISHING TO 20 TO 30 KT LATE TONIGHT. SEAS 8 TO 13 FT SUBSIDING TO 7 TO 10 FT LATE TONIGHT. FROM 25N TO 27N N TO NE WINDS 15 TO 20 KT BECOMING E TO SE 20 TO 25 KT LATE THIS AFTERNOON. SEAS 7 TO 11 FT SUBSIDING TO 6 TO 8 FT TONIGHT. S OF 25N S TO SW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. NUMEROUS SHOWERS AND TSTMS N OF 24N. .THU THROUGH FRI...N OF 25N E TO SE WINDS 20 TO 25 KT... DIMINISHING TO 15 TO 20 KT S OF 27N LATE FRI. SEAS 6 TO 9 FT SUBSIDING TO 4 TO 7 FT LATE FRI. S OF 25N S TO SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND TSTMS. .SAT...N OF 28N E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 7 FT. S OF 28N S TO SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SUN...N OF 28N SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. S OF 28N S WINDS 10 KT OR LESS. SEAS 1 TO 3 FT. $$ FORECASTER SCHAUER CLARK/CANGIALOSI