Tropical Depression Eight could become a tropical storm while brushing the North Carolina coast with rough surf, downpours and locally gusty thunderstorms into Wednesday.
Tropical Depression Nine developed just south of Florida on Sunday and will turn toward the northeastern Gulf Coast of the United States later this week.
Another strong tropical disturbance has moved off the coast of Africa and bears watching for strengthening and impact on the Caribbean and the United States during September.
The number of shark attacks in the United States has been well below normal this year, and the dissipation of El Niño may be to thank.
Regions dealing with Zika-carrying mosquitoes could have another threat to monitor as tropical activity picks up this season.