When coastal and/or coastal winds of 63 to 117 km/h caused by a tropical cyclone are expected to occur.
This is Tropical Storm Warning criteria for ECCC
Here's the text from the TS Watch in place where no TS warning has been issued yet
Tropical storm watch in effect for:
Pictou County
Tropical storm force winds ahead of now Post-Tropical Storm Teddy are expected over the regions, but will remain just below wind warning criteria.
Potential wind gusts: 65 to 80 km/h over exposed areas and along parts of the coast.
Locations: The Annapolis Valley, northern Nova Scotia, and western Cape Breton.