000 FZNT27 KNHC 172144 OFFN06 NAVTEX MARINE FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 544 PM EDT FRI AUG 17 2012 ...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED COASTAL WATERS FORECASTS... .SYNOPSIS...TROPICAL STORM HELENE NEAR 20.5N 96.1W AT 17/2100 UTC MOV NW 3 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. HELENE WILL MOVE TO NEAR 21.1N 96.9W TONIGHT WITH MAXIMUM SUSTAINED WINDS OF 45 KT GUSTS 55 KT...THEN INALND OVER MEXICO NEAR 22.1N 98.1W SAT THEN DISSIPATE SUN. OTHERWISE RIDGE ALONG 27N/28N WILL PERSIST THROUGH EARLY NEXT WEEK. NORTHWEST GULF OF MEXICO .TONIGHT...S TO SW WINDS 5 TO 10 KT...BECOMING S 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .SAT...S TO SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .SAT NIGHT...S TO SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .SUN...S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .SUN NIGHT...SE TO S WINDS 10 TO 15 KT...INCREASING TO 15 TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND ISOLATED TSTMS. .MON...SE TO S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. .MON NIGHT...SE WINDS 15 TO 20 KT...INCREASING TO 20 TO 25 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT. .TUE...SE TO S WINDS 20 TO 25 KT. SEAS 6 TO 9 FT. .TUE NIGHT...N TO NW WINDS 20 TO 25 KT. SEAS 7 TO 10 FT. .WED...N TO NW WINDS 25 TO 30 KT...DIMINISHING TO 20 TO 25 KT IN THE AFTERNOON. SEAS 7 TO 10 FT. NORTH CENTRAL AND NORTHEAST GULF OF MEXICO .TONIGHT...SW TO W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. .SAT...SW TO W WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. .SAT NIGHT...SW TO W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. .SUN...SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SCATTERED SHOWERS. .SUN NIGHT...SW WINDS 5 TO 10 KT...BECOMING S TO SW 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. SCATTERED SHOWERS. .MON...S TO SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .MON NIGHT...SE TO S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. .TUE...S WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. .TUE NIGHT...SE TO S WINDS 20 TO 25 KT...INCREASING TO 25 TO 30 KT AFTER MIDNIGHT. SEAS 6 TO 9 FT. .WED...S TO SW WINDS 25 TO 30 KT. SEAS 9 FT...BUILDING TO 11 FT IN THE AFTERNOON.