Update from from weather guru Jeff Masters:

High wind warnings are posted from Northern Michigan to Lake Okeechobee, Florida, and from Chicago to Maine. All-time low pressure records have been set at Atlantic City, NJ, Philadelphia, PA, and Wilmington Delaware. The rain is coming down in sheets along the east coast, where heavy rain stretches from Virginia to Pennsylvania and New York. Virginia Beach, VA has seen 9.26″, Dover, DE has seen 6.36″ and Ocean City, MD has seen 6.31.

Storm warnings are posted for Tuesday on Lake Michigan near Chicago, where sustained 55 – 60 mph winds and waves of 20 – 25 feet are expected. Storm warnings are posted on Lake Erie and Lake Ontario, and high winds from Sandy blowing off of Lake Erie caused damage to signs in Port Clinton, Ohio this afternoon. Check out this webcam view of a very angry Lake Erie. High wind warnings extend from northern Michigan to Central Florida.