000 FZNT24 KNHC 201432 OFFNT4 OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 930 AM CST WED JAN 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. GMZ089-202130- SYNOPSIS FOR THE GULF OF MEXICO 930 AM CST WED JAN 20 2010 .SYNOPSIS...HIGH PRES HAS SHIFTED E OVER FLORIDA WHICH WILL ALLOW FOR SOUTHERLY RETURN FLOW TO INCREASE OVER THE W GULF TODAY IN ADVANCE OF A FRONTAL TROUGH WHICH WILL MOVE OFF THE TEXAS COAST EARLY THU. THE FRONTAL TROUGH WILL REACH FROM NEAR MOBILE ALABAMA TO 25N93W TO 20N95W THU EVENING...FROM CLEARWATER BEACH FLORIDA TO 25N89W TO 24N94W EARLY FRI...DISSIPATING EARLY SAT. ANOTHER WEAK FRONTAL TROUGH WILL MOVE OFF THE TEXAS COAST SAT NIGHT WITH A COLD FRONT QUICKLY MOVING OFFSHORE BEHIND IT ON SUN REACHING FROM S CENTRAL LOUISIANA TO 21N96W BY SUN EVENING. $$ GMZ080-202130- NW GULF N OF 25N W OF 90W INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 930 AM CST WED JAN 20 2010 .THIS AFTERNOON AND TONIGHT...SE TO S WINDS 15 TO 20 KT BECOMING S TO SW TONIGHT THEN BECOMING W TO NW W OF FRONTAL TROUGH LATE TONIGHT. SEAS 4 TO 7 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONTAL TROUGH. .THU AND THU NIGHT...W OF FRONTAL TROUGH NW TO N WINDS 10 TO 15 KT BECOMING N TO NE IN THE LATE AFTERNOON THEN BECOMING VARIABLE 5 TO 10 KT THU NIGHT. SEAS 4 TO 7 FT SUBSIDING TO 3 TO 5 FT LATE. E OF FRONT S TO SW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONTAL TROUGH. .FRI...E TO SE WINDS 10 TO 15 KT BECOMING SE TO S 15 TO 20 KT FRI NIGHT. SEAS 3 TO 5 FT BUILDING TO 4 TO 6 FT FRI NIGHT. .SAT...S TO SW WINDS 15 TO 20 KT BECOMING NW TO N 10 TO 15 KT W OF FRONTAL TROUGH LATE. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONTAL TROUGH. .SUN...W OF FRONT NW TO N WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT IN THE AFTERNOON THEN BECOMING NW TO N 15 TO 20 KT LATE. SEAS 4 TO 7 FT BUILDING TO 6 TO 9 FT LATE. E OF FRONT S TO SW WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT IN THE AFTERNOON. SEAS 4 TO 7 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONT. $$ GMZ082-202130- SW GULF S OF 25N W OF 90W 930 AM CST WED JAN 20 2010 .THIS AFTERNOON AND TONIGHT...SE TO S WINDS 15 TO 20 KT BECOMING W TO NW 10 TO 15 KT W OF FRONTAL TROUGH LATE TONIGHT. SEAS 4 TO 7 FT N OF 21N AND 2 TO 4 FT S OF 21N. SCATTERED SHOWERS ALONG FRONTAL TROUGH. .THU AND THU NIGHT...W OF FRONTAL TROUGH W TO NW WINDS 10 TO 15 KT BECOMING N TO NE IN THE LATE AFTERNOON THEN BECOMING VARIABLE 5 TO 10 KT THU NIGHT. SEAS 3 TO 5 FT. E OF FRONTAL TROUGH S TO SW WINDS 15 TO 20 KT BECOMING VARIABLE 5 TO 10 KT THU NIGHT. SEAS 4 TO 6 FT N OF 21N SUBSIDING TO 2 TO 4 FT THU NIGHT...AND 2 TO 4 FT S OF 21N. ISOLATED SHOWERS ALONG FRONTAL TROUGH EARLY. .FRI...VARIABLE WINDS 5 TO 10 KT BECOMING SE TO S 15 TO 20 KT FRI NIGHT. SEAS 1 TO 3 FT BUILDING TO 3 TO 5 FT FRI NIGHT. .SAT...SE TO S WINDS 15 TO 20 KT BECOMING VARIABLE 5 TO 10 KT W OF FRONTAL TROUGH IN THE AFTERNOON THEN BECOMING NW TO N 15 TO 20 KT W OF FRONT LATE. SEAS 4 TO 6 FT N OF 21N AND 2 TO 4 FT S OF 21N. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONTAL TROUGH AND FRONT. .SUN...W OF FRONT NW TO N WINDS 20 TO 25 KT BECOMING N TO NE IN THE LATE AFTERNOON THEN DIMINISHING TO 15 TO 20 KT LATE. SEAS 4 TO 7 FT BUILDING TO 5 TO 8 FT IN THE LATE AFTERNOON. E OF FRONT S TO SW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONT. $$ GMZ084-202130- MIDDLE GULF BETWEEN 85W AND 90W 930 AM CST WED JAN 20 2010 .THIS AFTERNOON AND TONIGHT...SE TO S WINDS 15 TO 20 KT... BECOMING S TO SW AND INCREASING TO 20 TO 25 KT N OF 25N TONIGHT. SEAS 3 TO 5 FT BUILDING TO 6 TO 8 FT N OF 25N AND 4 TO 6 FT S OF 25N TONIGHT. .THU AND THU NIGHT...N OF 25N S TO SW WINDS 20 TO 25 KT BECOMING W TO NW 15 TO 20 KT W FRONTAL TROUGH THU NIGHT THEN DIMINISHING TO 10 TO 15 KT LATE. SEAS 6 TO 9 FT SUBSIDING TO 4 TO 6 FT LATE THU NIGHT. S OF 25N S TO SW WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT AND BECOMING VARIABLE 5 TO 10 KT W OF FRONTAL TROUGH THU NIGHT. SEAS 4 TO 6 FT SUBSIDING TO 3 TO 5 FT LATE THU NIGHT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONTAL TROUGH. .FRI...N OF FRONTAL TROUGH NW TO N WINDS 5 TO 10 KT BECOMING NE TO E IN THE AFTERNOON THEN BECOMING E TO SE 10 TO 15 KT FRI NIGHT. SEAS 4 TO 6 FT SUBSIDING TO 3 TO 5 FT FRI NIGHT. S OF FRONTAL TROUGH S TO SW WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT IN THE EVENING THEN BECOMING SE TO S 10 TO 15 KT LATE FRI NIGHT. SEAS 3 TO 5 FT SUBSIDING TO 2 TO 4 FT FRI NIGHT. ISOLATED SHOWERS ALONG FRONTAL TROUGH EARLY. .SAT...SE TO S WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT IN THE AFTERNOON THEN BECOMING S TO SW LATE. SEAS 2 TO 4 FT BUILDING TO 4 TO 7 FT LATE. .SUN...S TO SW WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT N OF 25N IN THE AFTERNOON THEN BECOMING W TO NW W OF FRONT LATE. SEAS 4 TO 7 FT BUILDING TO 7 TO 10 FT N OF 25N LATE. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONT. $$ GMZ086-202130- E GULF BETWEEN 81W AND 85W 930 AM CST WED JAN 20 2010 .THIS AFTERNOON AND TONIGHT...SE TO S WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT N OF 27N LATE TONIGHT. SEAS 1 TO 3 FT BUILDING TO 3 TO 5 FT N OF 25N LATE TONIGHT. .THU AND THU NIGHT...N OF 27N S TO SW WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT IN THE AFTERNOON...THEN DIMINISHING TO 15 TO 20 KT AND BECOMING W TO NW 10 TO 15 KT W OF FRONTAL TROUGH THU NIGHT. SEAS 4 TO 7 FT BUILDING TO 6 TO 8 FT THU NIGHT. S OF 27N SE TO S WINDS 15 TO 20 KT BECOMING S TO SW THU NIGHT. SEAS 2 TO 4 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONTAL TROUGH. .FRI...NW OF FRONTAL TROUGH W TO NW WINDS 10 TO 15 KT BECOMING NE TO E 5 TO 10 KT FRI NIGHT. SEAS 4 TO 6 FT SUBSIDING TO 2 TO 3 FT FRI NIGHT. SE OF FRONTAL TROUGH S TO SW WINDS 10 TO 15 KT BECOMING SW TO W 5 TO 10 KT FRI NIGHT THEN BECOMING VARIABLE LATE. SEAS 2 TO 4 FT SUBSIDING TO 1 TO 3 FT LATE. ISOLATED SHOWERS ALONG FRONTAL TROUGH EARLY. .SAT...E TO SE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT LATE. SEAS 1 TO 3 FT BUILDING TO 3 TO 5 FT LATE. .SUN...SE TO S WINDS 15 TO 20 KT BECOMING S TO SW WINDS 20 TO 25 KT N OF 25N IN THE AFTERNOON THEN BECOMING W TO NW W OF FRONT LATE. SEAS 4 TO 7 FT S OF 25N AND 6 TO 9 FT N OF 25N. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONT. $$ FORECASTER LEWITSKY