WHAT'S NEW:

The Tropical Storm Warning has been discontinued for the coast of Massachusetts, as well as for Nantucket and Martha's Vineyard.

SUMMARY OF ALERTS:

A Hurricane Warning is in effect for...
- Eastern Nova Scotia from Lower East Pubnico to Brule
- Western Newfoundland from Indian Harbour to Hawke's Bay

A Hurricane Watch is in effect for...
- Prince Edward Island
- Magdalen Islands

A Tropical Storm Warning is in effect for...
- East of Bar Harbor to Eastport ME
- Prince Edward Island
- Southwestern Nova Scotia from Avonport to north of Lower East Pubnico
- Fundy National Park to Shediac
- Stone's Cove to Indian Harbour
- Hawke's Bay to Fogo Island
- Mutton Bay to Mary's Harbour

A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Preparations to protect life and property should be rushed to completion.

A Tropical Storm Warning means that tropical storm conditions are expected within the warning area in this case within the next 12 hours.

A Hurricane Watch means that hurricane conditions are possible within the watch area. Interests elsewhere along the New England coasts of the United States should monitor the progress of Dorian. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service.

WIND: [TOP] Tropical storm conditions should spread into the warning area in Maine by this afternoon.

Regardless of whether Dorian is a hurricane or a post-tropical cyclone, hurricane conditions are expected in the Hurricane Warning area in Nova Scotia and Newfoundland beginning later today, and they are possible in the Hurricane Watch area by tonight. Tropical Storm conditions are currently spreading into southwestern Nova Scotia, and these conditions are expected elsewhere in the Tropical Storm Warning area in eastern Canada later today and tonight.

STORM SURGE: [TOP] Storm Surge is likely in the Gulf of St. Lawrence, the Southwest Coast of Newfoundland, and Eastern Nova Scotia.

RAINFALL: [TOP] Dorian is expected to produce the following rainfall totals through tonight:

Far eastern Maine...1 to 3 inches. Nova Scotia...3 to 5 inches, isolated 7 inches. New Brunswick and Prince Edward Island...2 to 4 inches. Newfoundland and far eastern Quebec...1 to 2 inches.

These rainfall amounts could result in flash flooding.

SURF: [TOP] Large swells are increasing along the coast in Atlantic Canada, and they will continue to affect that area during the next few days. Swells along the mid-Atlantic and New England coasts of the U.S. will continue for a couple of more days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office.

At 1100 AM AST (1500 UTC), the center of Hurricane Dorian was located near latitude 42.0 North, longitude 66.0 West. Dorian is moving toward the northeast near 29 mph (46 km/h), and a general motion toward the northeast is expected to continue through Sunday night. On the forecast track, the center of Dorian is expected to move across central or eastern Nova Scotia this afternoon or this evening, pass near or over Prince Edward Island tonight, and then move near or over portions of Newfoundland and Labrador on Sunday.

Maximum sustained winds are near 85 mph (140 km/h) with higher gusts. Dorian is expected to become a hurricane-force post-tropical cyclone as it moves across eastern Canada tonight or on Sunday.

Hurricane-force winds extend outward up to 105 miles (165 km) from the center, and tropical-storm-force winds extend outward up to 310 miles (500 km). Yarmouth, Nova Scotia recently reported sustained winds of 36 mph (57 km/h) and a wind gust of 56 mph (91 km/h).

The estimated minimum central pressure is 953 mb (28.15 inches). NOAA buoy 44011 reported a minimum pressure of 955.3 mb (28.21 inches) as the center passed just to the west about an hour ago.