000 FZNT25 KNHC 301459 OFFN04 NAVTEX MARINE FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1059 AM EDT THU MAR 30 2017 ...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED COASTAL WATERS FORECASTS... SOUTHEAST GULF OF MEXICO .SYNOPSIS...WEAK HIGH PRES EXTENDING FROM THE SW N ATLC WESTWARD TO THE FAR EASTERN GULF WILL MAINTAIN SE RETURN FLOW OVER THOSE WATERS THROUGH THIS AFTERNOON AS A COLD FRONT MOVES OVER THE NW BASIN PRECEDED BY A SQUALL LINE. THE FRONT WILL THEN MOVE ACROSS THE NORTHERN GULF THROUGH FRI NIGHT PRECEDED BY SCATTERED SHOWERS AND THUNDERSTORMS. SE FRESH TO STRONG RETURN FLOW WILL THEN DOMINATE ACROSS THE WESTERN GULF THROUGH SUN NIGHT AND OVER THE EASTERN BASIN THROUGH MONDAY NIGHT. A SECOND COLD FRONT WILL MOVE OFF THE TEXAS COAST SUN NIGHT REACHING FROM NEAR W CENTRAL FLORIDA TO N OF THE YUCATAN PENINSULA MON NIGHT. .THIS AFTERNOON...SE TO S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. .TONIGHT...SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI...S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .FRI NIGHT...SW TO W WINDS 5 TO 10 KT...SHIFTING TO E TO SE AFTER MIDNIGHT. SEAS 3 FT IN THE EVENING... SUBSIDING TO 2 FT OR LESS. .SAT...E TO SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS... BUILDING TO 3 FT AFTER MIDNIGHT. .SUN...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN NIGHT...SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. .MON...SE TO S WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. .MON NIGHT...S TO SW WINDS 20 TO 25 KT...DIMINISHING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WITHIN 200 NM EAST OF THE COAST OF FLORIDA .SYNOPSIS...WEAK HIGH PRES OVER THE WESTERN PORTION WILL BEGIN TO SHIFT ESE THIS AFTERNOON IN RESPONSE TO A COLD FRONT MOVING SSE ACROSS NORTHERN WATERS. THE FRONTAL PORTION E OF THE HIGH PRES CENTER WILL CONTINUE AS A COLD FRONT EXITING THE AREA TONIGHT WHILE THE PORTION W OF IT WILL LIFT BACK TO THE N AS A WARM FRONT THROUGH FRI. A SECOND COLD FRONT WILL EMERGE OUT OVER THE FAR NW WATERS FRI NIGHT AND MOVE ACROSS THE NORTH-CENTRAL WATERS SAT AND ACROSS THE NE WATERS SAT NIGHT. THE FRONT WILL BE PRECEDED BY FRESH TO STRONG WINDS THROUGH THE WEEKEND. HIGH PRES WILL THEN SLIDE EASTWARD AS DEEPENING LOW PRES TRACKS NE OVER THE SE CONUS. A TIGHT PRES GRADIENT BETWEEN THESE TWO FEATURES WILL SUPPORT STRONG TO NEAR GALE FORCE WINDS AND BUILDING SEAS ACROSS THE NW WATERS MON. .THIS AFTERNOON...SE WINDS 10 TO 15 KT S OF 27N...AND SE TO S 10 TO 15 KT N OF 27N. SEAS 3 TO 5 FT. .TONIGHT...SE WINDS 10 TO 15 KT S OF 27N...AND SE TO S 15 TO 20 KT N OF 27N. SEAS 3 TO 5 FT. .FRI...SE TO S WINDS 10 TO 15 KT S OF 27N...AND S 15 TO 20 KT N OF 27N. SEAS 4 TO 6 FT. .FRI NIGHT...SE TO S WINDS 10 TO 15 KT S OF 27N...AND SW 15 TO 20 KT N OF 27N. SEAS 4 TO 6 FT. .SAT...SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT NIGHT...NE TO E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. .SUN...E TO SE WINDS 10 TO 15 KT. SEAS 3 FT. .SUN NIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 3 FT. .MON...SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. .MON NIGHT...SE TO S WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.