000 FZNT32 KNHC 210225 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1025 PM EDT THU APR 20 2017 MARINE WEATHER HF VOICE BROADCAST 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. SYNOPSIS FOR THE GULF OF MEXICO .SYNOPSIS...HIGH PRES WILL PREVAIL OVER THE NORTHERN WATERS THROUGH FRI BEFORE SHIFTING EASTWARD SAT. LOW PRES WILL DEVELOP OVER THE SW WATERS SAT. THE LOW WILL SHIFT ACROSS THE EASTERN WATERS SAT AND OVER N FLORIDA SUN. A COLD FRONT WILL ENTER THE NW GULF SAT. THE FRONT WILL EXTEND FROM THE FLORIDA BIG BEND TO THE BAY OF CAMPECHE SUN AFTERNOON...FROM S FLORIDA TO THE NORTHERN YUCATAN PENINSULA MON MORNING...AND E OF THE AREA LATE MON. GULF OF MEXICO N OF 26N W OF 87W .OVERNIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI...SE WINDS 10 KT. SEAS 3 TO 4 FT. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT...SE WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. .SAT NIGHT...N WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. .SUN...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN NIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .MON...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .TUE NIGHT...SE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS...BUILDING TO 3 FT AFTER MIDNIGHT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 FT. .SUN...N WINDS LESS THAN 10 KT...INCREASING TO 10 TO 20 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. .SUN NIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .MON...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .MON NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT. SW GULF OF MEXICO S OF 22N W OF 87W .OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI...E WINDS LESS THAN 10 KT IN THE MORNING...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING... SUBSIDING TO 2 FT OR LESS. .FRI NIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...E WINDS 10 TO 15 KT. ELSEWHERE...NE WINDS LESS THAN 10 KT...SHIFTING TO E AFTER MIDNIGHT. SEAS 2 FT OR LESS...BUILDING TO 3 FT AFTER MIDNIGHT. .SAT...SE WINDS LESS THAN 10 KT IN THE MORNING...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT NIGHT...NE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS...BUILDING TO 3 FT AFTER MIDNIGHT. .SUN...NE WINDS LESS THAN 10 KT...SHIFTING TO N IN THE AFTERNOON. SEAS 3 FT. .SUN NIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .MON...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON NIGHT...N WINDS 10 TO 15 KT...SHIFTING TO NE AFTER MIDNIGHT. SEAS 3 TO 5 FT. .TUE...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT. GULF OF MEXICO E OF 87W .OVERNIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SUN...VARIABLE WINDS LESS THAN 10 KT...BECOMING W LESS THAN 10 KT IN THE AFTERNOON. SEAS 3 FT IN THE MORNING... SUBSIDING TO 2 FT OR LESS. .SUN NIGHT...NW WINDS 10 TO 15 KT. SEAS 3 FT. .MON...NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON NIGHT...NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE...NW WINDS 10 KT. SEAS 3 TO 4 FT. .TUE NIGHT...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.