000 WTNT25 KNHC 162037 TCMAT5 TROPICAL STORM MARIA FORECAST/ADVISORY NUMBER 2 NWS NATIONAL HURRICANE CENTER MIAMI FL AL152017 2100 UTC SAT SEP 16 2017 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF ANTIGUA HAS ISSUED A HURRICANE WATCH FOR ANTIGUA... BARBUDA... ST. KITTS... NEVIS...AND MONTSERRAT. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH IS IN EFFECT FOR... * ANTIGUA...BARBUDA...ST. KITTS...NEVIS...AND MONTSERRAT A TROPICAL STORM WATCH IS IN EFFECT FOR... * ST. LUCIA * MARTINIQUE * GUADELOUPE * DOMINICA * BARBADOS * ST. VINCENT AND THE GRENADINES A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS... CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA... GENERALLY WITHIN 48 HOURS. INTERESTS ELSEWHERE IN THE LESSER ANTILLES SHOULD MONITOR THE PROGRESS OF THIS SYSTEM. ADDITIONAL TROPICAL STORM OR HURRICANE WATCHES WILL LIKELY BE ISSUED TONIGHT OR EARLY SUNDAY. TROPICAL STORM CENTER LOCATED NEAR 12.3N 52.6W AT 16/2100Z POSITION ACCURATE WITHIN 40 NM PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT 17 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1002 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT....... 40NE 30SE 0SW 40NW. 12 FT SEAS.. 30NE 30SE 0SW 0NW. 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 12.3N 52.6W AT 16/2100Z AT 16/1800Z CENTER WAS LOCATED NEAR 12.2N 51.7W FORECAST VALID 17/0600Z 13.0N 54.5W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 30NE 0SE 0SW 20NW. 34 KT... 70NE 30SE 30SW 60NW. FORECAST VALID 17/1800Z 13.9N 56.6W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 20NE 0SE 0SW 0NW. 50 KT... 40NE 20SE 20SW 30NW. 34 KT... 80NE 40SE 30SW 70NW. FORECAST VALID 18/0600Z 14.6N 58.3W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 20NE 0SE 0SW 15NW. 50 KT... 40NE 20SE 20SW 30NW. 34 KT... 80NE 60SE 40SW 70NW. FORECAST VALID 18/1800Z 15.2N 59.8W MAX WIND 80 KT...GUSTS 100 KT. 50 KT... 40NE 20SE 20SW 30NW. 34 KT... 80NE 60SE 40SW 70NW. FORECAST VALID 19/1800Z 16.5N 62.7W MAX WIND 95 KT...GUSTS 115 KT. 50 KT... 50NE 40SE 30SW 40NW. 34 KT...100NE 80SE 60SW 80NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 20/1800Z 17.9N 65.5W MAX WIND 105 KT...GUSTS 130 KT. OUTLOOK VALID 21/1800Z 19.5N 68.6W MAX WIND 95 KT...GUSTS 115 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 12.3N 52.6W NEXT ADVISORY AT 17/0300Z $$ FORECASTER CANGIALOSI