One of the many areas hit was the Embarcadero where strong winds caused major damage, smashing a catamaran and submerging a sailboat just north of the Hornblower ticket booth at Harbor Drive and Grape Street.
Other hot spots around San Diego County include:
A eucalyptus tree fell on a vehicle headed onto the Sunset Cliffs Boulevard ramp. The driver had a minor injury to his wrist.
A tree fell on West Mission Bay Drive.
A tree fell on a house in the 3900 block of La Cresta Drive. Neighbors said they heard a loud boom and called 911 for help. No injuries were reported and a massive cleanup effort is underway Monday morning.
Downed trees have prompted San Diego police to close southbound lanes in the 17600 block of Pomerado Road in Rancho Bernardo. The closure is expected to last several hours and a SigAlert has been issued.
RELATED: Latest traffic conditions
Southbound Genesee Avenue south of Centurion Square near University City High School is closed due to a downed tree. A SigAlert is in place and police are urging motorists to use alternate routes.
Southbound Torrey Pines Road between La Jolla Village Drive and La Jolla Parkway is also closed. A SigAlert is in place and police are urging motorists to use alternate routes.
Update 9:24AM: Eastbound Interstate 8 has been reopened at East Willows Road in the Alpine area after it was closed for a time for snow removal, according to the California Highway Patrol. Westbound freeway lanes were closed at Imperial Highway in the El Centro area, but are now also open.