000 FZNT24 KNHC 202116 OFFNT4 OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 330 PM 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. GMZ089-210330- SYNOPSIS FOR THE GULF OF MEXICO 330 PM CST WED JAN 20 2010 .SYNOPSIS...HIGH PRES HAS SHIFTED E OVER FLORIDA WHICH HAS ALLOWED FOR SOUTHERLY RETURN FLOW TO INCREASE OVER THE W GULF IN ADVANCE OF A FRONTAL TROUGH. THE FRONTAL TROUGH WILL MOVE OFF THE TEXAS COAST EARLY THU. THE FRONTAL TROUGH WILL REACH FROM NEAR BILOXI MISSISSIPPI TO 25N92W TO 20N95W THU EVENING THEN FROM CLEARWATER BEACH FLORIDA TO 25N88W TO 23N94W EARLY FRI THEN WILL DISSIPATE EARLY SAT. ANOTHER WEAK FRONTAL TROUGH WILL MOVE OFF THE TEXAS COAST LATE SAT WITH A COLD FRONT QUICKLY MOVING OFFSHORE BEHIND IT ON SUN REACHING FROM PANAMA CITY FLORIDA TO 20N95W SUN EVENING THEN FROM TAMPA BAY TO THE YUCATAN PENINSULA EARLY MON AND SHIFTING SE OF THE AREA LATE MON. $$ GMZ080-210330- NW GULF N OF 25N W OF 90W INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 330 PM CST WED JAN 20 2010 .TONIGHT...S TO SW WINDS 15 TO 20 KT BECOMING W TO NW 10 TO 15 KT W OF FRONTAL TROUGH LATE. SEAS 4 TO 7 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONTAL TROUGH. .THU AND THU NIGHT...W OF FRONTAL TROUGH NW TO N WINDS 10 TO 15 KT BECOMING N TO NE IN THE LATE AFTERNOON THEN BECOMING VARIABLE 5 TO 10 KT THU NIGHT. SEAS 4 TO 7 FT SUBSIDING TO 3 TO 5 FT THU NIGHT. E OF FRONT S TO SW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONTAL TROUGH. .FRI AND FRI NIGHT...E TO SE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT FRI NIGHT THEN BECOMING SE TO S LATE. SEAS 3 TO 5 FT BUILDING TO 4 TO 7 FT FRI NIGHT. .SAT...S TO SW WINDS 15 TO 20 KT BECOMING NW TO N 10 TO 15 KT W OF FRONTAL TROUGH LATE. SEAS 4 TO 7 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONTAL TROUGH. .SUN...W OF FRONT W TO NW WINDS 20 TO 25 KT DIMINISHING TO 15 TO 20 KT LATE. SEAS 5 TO 7 FT. E OF FRONT S TO SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONT. .MON...W TO NW WINDS 10 TO 15 KT BECOMING NW TO N LATE. SEAS 4 TO 7 FT IN NW SWELL SUBSIDING TO 3 TO 5 FT LATE. $$ GMZ082-210330- SW GULF S OF 25N W OF 90W 330 PM CST WED JAN 20 2010 .TONIGHT...SE TO S WINDS 15 TO 20 KT BECOMING W TO NW 10 TO 15 KT W OF FRONTAL TROUGH LATE. 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 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 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 SUBSIDING TO 1 TO 3 FT THU NIGHT. ISOLATED SHOWERS ALONG FRONTAL TROUGH THU. .FRI AND FRI NIGHT...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 6 FT N OF 21N 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 7 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. E OF FRONT S TO SW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONT. .MON...N TO NE WINDS 10 TO 15 KT. SEAS 4 TO 7 FT N OF 21N IN N SWELL AND 2 TO 4 FT S OF 21N BUILDING TO 3 TO 5 FT IN N SWELL LATE. $$ GMZ084-210330- MIDDLE GULF BETWEEN 85W AND 90W 330 PM CST WED JAN 20 2010 .TONIGHT...SE TO S WINDS 15 TO 20 KT...BECOMING S TO SW AND INCREASING TO 20 TO 25 KT N OF 25N AFTER MIDNIGHT. SEAS 4 TO 6 FT BUILDING TO 6 TO 8 FT N OF 25N. .THU AND THU NIGHT...N OF 25N S TO SW WINDS 20 TO 25 KT BECOMING W TO NW 10 TO 15 KT W FRONTAL TROUGH THU NIGHT. SEAS 6 TO 9 FT SUBSIDING TO 4 TO 6 FT LATE THU NIGHT. S OF 25N S TO SW WINDS 15 TO 20 KT BECOMING VARIABLE 5 TO 10 KT W OF FRONTAL TROUGH THU NIGHT. SEAS 4 TO 6 FT SUBSIDING TO 3 TO 5 FT LATE THU NIGHT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONTAL TROUGH. .FRI AND FRI NIGHT...N OF FRONTAL TROUGH NW TO N WINDS 5 TO 10 KT BECOMING NE TO E IN THE AFTERNOON THEN BECOMING E TO SE 10 TO 15 KT FRI NIGHT. SEAS 4 TO 6 FT SUBSIDING TO 3 TO 5 FT FRI NIGHT. S OF FRONTAL TROUGH S TO SW WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT IN THE EVENING THEN BECOMING SE TO S 10 TO 15 KT LATE FRI NIGHT. SEAS 3 TO 5 FT SUBSIDING TO 2 TO 4 FT FRI NIGHT. ISOLATED SHOWERS ALONG FRONTAL TROUGH EARLY. .SAT...SE TO S WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT IN THE AFTERNOON THEN BECOMING S TO SW LATE. SEAS 2 TO 4 FT BUILDING TO 4 TO 7 FT LATE. .SUN...W OF FRONT W TO NW WINDS 15 TO 20 KT. SEAS 5 TO 8 FT. E OF FRONT S TO SW WINDS 15 TO 20 KT EXCEPT 20 TO 25 KT N OF 26N. SEAS 5 TO 8 FT EXCEPT 7 TO 9 FT N OF 26N. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONT. .MON...W TO NW WINDS 15 TO 20 KT BECOMING NW TO N LATE. SEAS 4 TO 7 FT. $$ GMZ086-210330- E GULF BETWEEN 81W AND 85W 330 PM CST WED JAN 20 2010 .TONIGHT...SE TO S WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT S OF 27N AND 20 TO 25 KT N OF 27N AFTER MIDNIGHT. SEAS 2 TO 4 FT BUILDING TO 3 TO 6 FT LATE. .THU AND THU NIGHT...N OF 27N S TO SW WINDS 20 TO 25 KT BECOMING W TO NW 10 TO 15 KT W OF FRONTAL TROUGH LATE THU NIGHT. SEAS 5 TO 8 FT SUBSIDING TO 5 TO 6 FT LATE THU NIGHT. S OF 27N SE TO S WINDS 15 TO 20 KT BECOMING S TO SW THU NIGHT. SEAS 2 TO 4 FT BUILDING TO 3 TO 5 FT THU NIGHT. SCATTERED SHOWERS ALONG FRONTAL TROUGH. .FRI AND FRI NIGHT...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 4 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 E TO SE 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 S OF 27N AND 20 TO 25 KT N OF 27N LATE. SEAS 1 TO 3 FT BUILDING TO 4 TO 7 FT N OF 27N AND 3 TO 5 FT S OF 27N 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 15 TO 20 KT 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. .MON...W OF FRONT W TO NW WINDS 15 TO 20 KT. SEAS 4 TO 7 FT. E OF FRONT S TO SW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG FRONT. $$ FORECASTER LEWITSKY