000 FZNT25 KNHC 271438 OFFN04 NAVTEX MARINE FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1038 AM EDT SUN SEP 27 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 WITH A 1007 SURFACE LOW ACROSS THE YUCATAN PENINSULA. THIS LOW IS EXPECTED TO SHIFT NORTHWARD AND ENTER THE CENTRAL GULF TODAY 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. .THIS AFTERNOON...SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .TONIGHT...SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .MON...SE TO S WINDS 20 TO 25 KT. SEAS 5 TO 7 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 4 TO 6 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .TUE...S TO SW WINDS 15 TO 20 KT...BECOMING SW 10 TO 15 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. .TUE NIGHT...SW WINDS 10 TO 15 KT...DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. .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....A BROAD 1010 MB LOW PRES CENTERED NEAR 27N69W 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. .THIS AFTERNOON...E WINDS 5 TO 10 KT S OF 27N...AND NE LESS THAN 5 KT N OF 27N. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 5 TO 10 KT S OF 27N...AND NE TO E LESS THAN 5 KT N OF 27N. SEAS 3 TO 5 FT. .MON...SE WINDS 5 TO 10 KT S OF 27N...AND E LESS THAN 5 KT N OF 27N. SEAS 3 TO 5 FT. .MON NIGHT...S OF 27N...E TO SE WINDS 5 TO 10 KT. N OF 27N...NE WINDS LESS THAN 5 KT...SHIFTING TO SE AFTER MIDNIGHT. SEAS 3 TO 5 FT. .TUE...S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. .TUE NIGHT...S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. .WED...S TO SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. .WED NIGHT...SW WINDS 5 TO 10 KT. SEAS 3 FT. .THU...W WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. .THU NIGHT...NW TO N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.