6:05 PM: SFD is sending a water-rescue response to Alki/Marine. Possibly 2 people in trouble in the water. Updates to come.
6:11 PM: Sounds like everyone is OK & response is being downsized. We just arrived at Alki to check.
6:16 PM: SFD tells us at the scene that paddleboarders brought in a person who is being checked out by medics.
6:57 PM: SFD says the woman who was rescued is being taken to the hospital. (See comments below for added details on the rescue.)