The U.S. Coast Guard and the police services of the surrounding communities provide emergency rescue and law enforcement on the bay. All monitor Channel 16. If you need help on the water but are not in immediate peril, the government services will refer you to a commercial towing service.
510.777.3333
San Francisco Police Department
415.553.8090
This phone number for emergency only. For non-emergency calls, phone 415.553.0123. The SFPD has a small fleet of police boats. Marine unit phone 415.409.1010.
415.289.4100
800.246.7236
If there is an imminent threat to life or property, don't hesitate to call the Coast Guard on Channel 16. But if you're just inconvenienced (for example, drifting without power but not near any hazards), call a commercial towing company.