000 FZNT25 KNHC 270217 OFFN04 NAVTEX MARINE FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1017 PM EDT SAT SEP 26 2015 ...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...BROAD LOW PRES PREVAILS ACROSS THE ENTIRE GULF TONIGHT...WITH A 1007 SURFACE LOW ACROSS THE YUCATAN NEAR 19.5N88.5W. THIS LOW IS EXPECTED TO SHIFT NORTHWARD TONIGHT AND ENTER THE CENTRAL GULF EARLY SUN AND CONTINUE NORTH THEN NORTH- NORTHEASTWARD THROUGH TUE. THIS SYSTEM WILL BRING AN INCREASE IN WINDS...SEAS...AND VERY ACTIVE WEATHER ACROSS THE EASTERN GULF... AND HAS THE POTENTIAL TO DEVELOP INTO A TROPICAL CYCLONE LATE SUN THROUGH TUE. .OVERNIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. SCATTERED SHOWERS AND ISOLATED TSTMS. .SUN...SE WINDS 15 TO 20 KT. SEAS 2 FT OR LESS... BUILDING TO 3 TO 4 FT IN THE AFTERNOON. SCATTERED SHOWERS AND ISOLATED TSTMS. .SUN NIGHT...SE WINDS 15 TO 20 KT...INCREASING TO 20 TO 25 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .MON...SE TO S WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .MON NIGHT...S WINDS 20 TO 25 KT...BECOMING S TO SW 15 TO 20 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT. .TUE...SW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. .TUE NIGHT...SW WINDS 10 TO 15 KT...DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT IN THE EVENING... SUBSIDING TO 2 FT OR LESS. .WED...SW TO W WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. .WED NIGHT...W TO NW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. .THU...NW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. .THU NIGHT...NW TO N WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. WITHIN 200 NM EAST OF THE COAST OF FLORIDA .SYNOPSIS....BROAD LOW PRES PREVAILS OVER THE FORECAST AREA...WITH A SMALL 1010 MB LOW CENTERED NEAR 27N68.5W. THIS LOW CENTER HAS SOME POTENTIAL TO DEVELOP INTO A TROPICAL CYCLONE DURING THE NEXT FEW DAYS AS IT MOVES SLOWLY N. THE BROAD AREA OF LOW PRES WILL ALSO SHIFT SLOWLY N THROUGH TUE THEN HIGH PRESSURE WILL START TO BUILD IN FROM THE NE BY MIDWEEK AS A COLD FRONT MOVES S ACROSS NE PORTIONS OF THE AREA. LARGE NE SWELL WILL MOVE INTO THE NE PART OF THE AREA SUN THROUGH MON AND SPREAD SW THROUGH MID WEEK. .OVERNIGHT...NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS S OF 27N...AND 3 TO 4 FT N OF 27N. .SUN...E WINDS 5 TO 10 KT S OF 27N...AND NE LESS THAN 5 KT N OF 27N. SEAS 2 FT OR LESS S OF 27N...AND 3 TO 5 FT N OF 27N. .SUN NIGHT...E WINDS 5 TO 10 KT S OF 27N...AND NE TO E LESS THAN 5 KT N OF 27N. SEAS 2 FT OR LESS S OF 27N...AND 4 TO 6 FT N OF 27N. .MON...SE WINDS 5 TO 10 KT S OF 27N...AND E LESS THAN 5 KT N OF 27N. SEAS 2 FT OR LESS S OF 27N...AND 4 TO 6 FT N OF 27N. .MON NIGHT...E TO SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS S OF 27N...AND 4 TO 6 FT N OF 27N. .TUE...S WINDS 5 TO 10 KT. SEAS 2 FT OR LESS S OF 27N...AND 4 TO 6 FT N OF 27N. .TUE NIGHT...S WINDS 5 TO 10 KT...SHIFTING TO SE TO S 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS S OF 27N...AND 4 TO 6 FT N OF 27N. .WED...S WINDS 10 TO 15 KT...BECOMING S TO SW 5 TO 10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS S OF 27N...AND 4 TO 6 FT N OF 27N. .WED NIGHT...SW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS S OF 27N... AND 3 TO 5 FT N OF 27N. .THU...W TO NW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS S OF 27N...AND 3 TO 4 FT N OF 27N. .THU NIGHT...NW TO N WINDS 5 TO 10 KT...SHIFTING TO NE AFTER MIDNIGHT. SEAS 2 FT OR LESS S OF 27N...AND 3 TO 5 FT N OF 27N.