000 FZNT24 KNHC 202037 OFFNT4 OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 430 PM CDT TUE APR 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 430 PM CDT TUE APR 20 2010 .SYNOPSIS...A WEAK FRONTAL TROUGH FROM NW FLORIDA TO THE UPPER COAST OF MEXICO NEAR 25N97W WILL MOVE SE AND REACH FROM NEAR TAMPA BAY TO 26N95W EARLY WED THEN WILL SINK S INTO THE S GULF AND DISSIPATE BY EARLY THU. WEAK HIGH PRES WILL MOVE INTO THE NE GULF WED NIGHT AND THU RESULTING IN INCREASING SOUTHERLY FLOW ACROSS THE W GULF THU THROUGH FRI. A COLD FRONT WILL MOVE OFF THE TEXAS COAST LATE FRI NIGHT REACHING FROM 30N93W TO 21N96W LATE SAT THEN WILL STALL OUT AND GRADUALLY DISSIPATE IN THE CENTRAL AND E GULF THROUGH LATE SUN. $$ GMZ080-210330- NW GULF N OF 25N W OF 90W INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 430 PM CDT TUE APR 20 2010 .TONIGHT...N TO NE WINDS 5 TO 10 KT EXCEPT E OF TROUGH VARIABLE 5 TO 10 KT. SEAS 2 FT OR LESS. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG TROUGH. .WED AND WED NIGHT...E TO SE WINDS 5 TO 10 KT BECOMING SE 10 TO 15 KT WED NIGHT. SEAS 1 TO 2 FT BUILDING TO 2 TO 3 FT WED NIGHT. .THU AND THU NIGHT...SE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT THU NIGHT. SEAS 2 TO 4 FT BUILDING TO 5 TO 8 FT THU NIGHT. .FRI...SE TO S WINDS 15 TO 20 KT...INCREASING TO 20 TO 25 KT E OF FRONT AND SHIFTING TO NW BEHIND FRONT LATE. SEAS 5 TO 8 FT BUILDING TO 6 TO 10 FT LATE. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG AND AHEAD OF FRONT. .SAT...E OF FRONT S TO SW WINDS 20 TO 25 KT DIMINISHING TO 15 TO 20 KT LATE. SEAS 6 TO 9 FT SUBSIDING TO 5 TO 7 FT LATE. W OF FRONT NW TO N WINDS 15 TO 20 KT BECOMING VARIABLE 5 TO 10 KT LATE. SEAS 4 TO 7 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG AND AHEAD OF FRONT. .SUN...VARIABLE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN SE SWELL. $$ GMZ082-210330- SW GULF S OF 25N W OF 90W 430 PM CDT TUE APR 20 2010 .TONIGHT THROUGH WED NIGHT...E TO SE WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT TUE NIGHT THROUGH WED NIGHT...EXCEPT NE 15 KT NEAR COAST OF YUCATAN DURING THE EVENINGS. SEAS 1 TO 3 FT BUILDING TO 2 TO 4 FT WED NIGHT. SCATTERED SHOWERS ALONG TROUGH EARLY TONIGHT. .THU AND THU NIGHT...E TO SE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT THU NIGHT...EXCEPT NE 15 KT NEAR COAST OF YUCATAN DURING THE EVENING. SEAS 2 TO 4 FT BUILDING TO 3 TO 5 FT N OF 21N THU NIGHT. .FRI...SE TO S WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT N OF 21N LATE...EXCEPT NE 20 KT NEAR COAST OF YUCATAN DURING THE EVENING. SEAS 4 TO 6 FT N OF 21N BUILDING TO 5 TO 7 FT LATE... AND 2 TO 4 FT S OF 21N BUILDING TO 3 TO 5 FT LATE. SCATTERED SHOWERS AND ISOLATED TSTMS FAR NW PART LATE. .SAT...E OF FRONT SE TO S WINDS 15 TO 20 KT BECOMING VARIABLE 5 TO 10 KT LATE. SEAS 5 TO 7 FT N OF 21N SUBSIDING TO 3 TO 5 FT LATE...AND 3 TO 5 FT S OF 21N SUBSIDING TO 2 TO 3 FT LATE. W OF FRONT N TO NE WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT LATE. SEAS 4 TO 7 FT SUBSIDING TO 3 TO 5 FT LATE. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG AND AHEAD OF FRONT. .SUN...E OF FRONT S TO SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. W OF FRONT VARIABLE WINDS 5 TO 10 KT BECOMING NE TO E LATE. SEAS 2 TO 3 FT. SCATTERED SHOWERS ALONG FRONT. $$ GMZ084-210330- MIDDLE GULF BETWEEN 85W AND 90W 430 PM CDT TUE APR 20 2010 .TONIGHT THROUGH WED NIGHT...VARIABLE WINDS 5 TO 10 KT... BECOMING E TO SE N OF 26N AND BECOMING E TO SE 10 TO 15 KT S OF 26N WED NIGHT. SEAS 2 FT OR LESS BUILDING TO 2 TO 3 FT S OF 26N WED NIGHT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG TROUGH TONIGHT AND WED. .THU AND THU NIGHT...SE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT THU NIGHT...EXCEPT NE 15 KT NEAR COAST OF YUCATAN DURING THE EVENING. SEAS 1 TO 3 FT BUILDING 3 TO 5 FT LATE. .FRI...SE TO S WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT W OF 88W LATE...EXCEPT NE 20 KT NEAR COAST OF YUCATAN DURING THE EVENING. SEAS 3 TO 5 FT BUILDING TO 4 TO 7 FT LATE. .SAT...S TO SW WINDS 20 KT EXCEPT NE NEAR COAST OF YUCATAN DURING THE EVENING. SEAS 6 TO 9 FT N OF 26N SUBSIDING TO 5 TO 7 FT LATE...AND 4 TO 7 FT S OF 26N. SCATTERED SHOWERS FAR NW PART LATE. .SUN...E OF FRONT S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. W OF FRONT W TO NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG AND AHEAD OF FRONT. $$ GMZ086-210330- E GULF BETWEEN 81W AND 85W 430 PM CDT TUE APR 20 2010 .TONIGHT THROUGH WED NIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING NE TO E WED NIGHT. SEAS 2 FT OR LESS. .THU AND THU NIGHT...E TO SE WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT LATE...EXCEPT NE 10 TO 15 KT S OF 24N DURING THE EVENING. SEAS 2 FT OR LESS. .FRI...E TO SE WINDS 10 TO 15 KT EXCEPT NE S OF 24N DURING THE EVENING. SEAS 1 TO 3 FT BUILDING TO 2 TO 4 FT LATE. .SAT...SE TO S WINDS 15 TO 20 KT. SEAS 2 TO 4 FT BUILDING TO 3 TO 5 FT. .SUN...S TO SW WINDS 15 TO 20 KT DIMINISHING TO 10 TO 15 KT LATE. SEAS 3 TO 5 FT SUBSIDING TO 2 TO 4 FT LATE. SCATTERED SHOWERS FAR N PART LATE. $$ FORECASTER LEWITSKY