High astronomical tides coincided with low pressure to cause record high tide levels throughout Puget Sound.  Many homes and yards along the shoreline were flooded.

Coastal Flood in SAN JUAN, WASHINGTON
From 17-DEC-12 09:00:00 to 17-DEC-12 13:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Coastal flooding.

Coastal Flood in TACOMA AREA, WASHINGTON
From 17-DEC-12 08:00:00 to 17-DEC-12 13:00:00 (PST-8)
Property damage: 75.00K
Reported by: Newspaper

The Red Rooster Cafe on Harborview Drive in Gig Harbor reported some flooding.  About a dozen homes were partially flooded on Day Island.
The Tacoma tide gauge recorded its all-time high tide level of 14.89 ft above MLLW.  This exceeded the previous record by 0.34 ft.  The old record of 14.55 ft above MLLW was from January 3, 2003.

Coastal Flood in WESTERN WHATCOM COUNTY, WASHINGTON
From 17-DEC-12 07:00:00 to 17-DEC-12 13:00:00 (PST-8)
Property damage: 100.00K
Reported by: Newspaper

Birch Bay Cafe and Bistro suffered damage as waves pushed a large log through the large bay facing window.  A nearby consignment shop was also damaged.  About 15 homes and properties were also affected near Terrell Creek.  In some cases the water only got into the front yard, but in others it flooded garages and homes.  Flooding closed about 4 miles about Birch Bay Drive.

Coastal Flood in EVERETT AND VICINITY, WASHINGTON
From 17-DEC-12 08:00:00 to 17-DEC-12 13:00:00 (PST-8)
Property damage: 200.00K
Crop damage: 0.00K
Reported by: Newspaper

Near Warm Beach, and deck and boathouse were partially damaged.  A hole was ripped in a dike along the Stillaguamish River, the outflow of water surrounded a farm house.

Coastal Flood in HOOD CANAL AREA, WASHINGTON
From 17-DEC-12 08:00:00 to 17-DEC-12 13:00:00 (PST-8)
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Newspaper

High tide and rainfall flooded SR 300 west of Belfair.  A car got stuck in the flooded section of the roadway and was damaged by the saltwater.

Coastal Flood in ADMIRALTY INLET AREA, WASHINGTON
From 17-DEC-12 07:00:00 to 27-DEC-12 13:00:00 (PST-8)
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Newspaper

A workshop on the Cape George Colony waterfront (near the shore of Discovery Bay) was minimally damaged by seawater.  On Whidbey Island, a home on West Beach Road near Swan Lake was destroyed when the bulkhead in front of the house washed out.  Several other home's bulkheads were damaged.  Several roads on the island were flooded.  There was also damage to a seawall along Pebble Beach.
The Port Townsend tide gauge recorded a value of 11.28 ft above MLLW, which is the 8th highest tide of all time and is only 0.45 ft less than the all-time record set on December 10, 1993.

Coastal Flood in SEATTLE/BREMERTON AREA, WASHINGTON
From 17-DEC-12 08:00:00 to 17-DEC-12 13:00:00 (PST-8)
Property damage: 300.00K
Reported by: Newspaper

In Seattle, record high tides were reported.  Dozens of properties in West Seattle had waves spilling onto them.  In Olalla a building near the sound had about 4 inches of water inside.  A street and apartment parking lots were flooded in Port Orchard.
The Seattle tide gauge recorded a high of 14.48 ft above MLLW for two consecutive readings around 8 AM.  This tied the all-time high tide ever recorded, which previously had happened on January 27, 1983.

Coastal Flood in WESTERN SKAGIT COUNTY, WASHINGTON
From 17-DEC-12 09:00:00 to 17-DEC-12 13:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Coastal flooding.