309 WTNT23 KNHC 101435 TCMAT3 HURRICANE HELENE FORECAST/ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082018 1500 UTC MON SEP 10 2018 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. HURRICANE CENTER LOCATED NEAR 14.6N 30.0W AT 10/1500Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 14 KT ESTIMATED MINIMUM CENTRAL PRESSURE 974 MB EYE DIAMETER 20 NM MAX SUSTAINED WINDS 90 KT WITH GUSTS TO 105 KT. 64 KT....... 30NE 20SE 10SW 30NW. 50 KT....... 50NE 40SE 20SW 50NW. 34 KT....... 90NE 70SE 40SW 80NW. 12 FT SEAS..180NE 180SE 120SW 180NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 14.6N 30.0W AT 10/1500Z AT 10/1200Z CENTER WAS LOCATED NEAR 14.4N 29.4W FORECAST VALID 11/0000Z 15.2N 32.0W MAX WIND 100 KT...GUSTS 120 KT. 64 KT... 40NE 30SE 20SW 40NW. 50 KT... 60NE 50SE 30SW 60NW. 34 KT... 90NE 70SE 50SW 90NW. FORECAST VALID 11/1200Z 15.9N 34.3W MAX WIND 100 KT...GUSTS 120 KT. 64 KT... 40NE 30SE 20SW 40NW. 50 KT... 60NE 50SE 40SW 60NW. 34 KT...110NE 70SE 60SW 100NW. FORECAST VALID 12/0000Z 16.8N 36.1W MAX WIND 90 KT...GUSTS 110 KT. 64 KT... 40NE 30SE 20SW 30NW. 50 KT... 70NE 50SE 40SW 60NW. 34 KT...120NE 90SE 70SW 110NW. FORECAST VALID 12/1200Z 18.0N 37.7W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 30NE 20SE 0SW 30NW. 50 KT... 60NE 40SE 30SW 60NW. 34 KT...120NE 80SE 70SW 90NW. FORECAST VALID 13/1200Z 21.5N 39.5W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 50NE 40SE 40SW 50NW. 34 KT...110NE 80SE 70SW 90NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 14/1200Z 27.0N 40.5W MAX WIND 50 KT...GUSTS 60 KT. OUTLOOK VALID 15/1200Z 32.5N 40.5W MAX WIND 50 KT...GUSTS 60 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.6N 30.0W NEXT ADVISORY AT 10/2100Z $$ FORECASTER BRENNAN