WHATCOM COUNTY, Wash. — A coastal flood advisory was issued today, January 5th, due to expected minor coastal flooding on Friday. The advisory will be in effect between 3am to 10am on Friday, January 6th.
According to the advisory statement, “onshore winds and tides will combine to generate flooding of low areas along the shore.”
Flooding of lots, parks and roads and isolated road closures can be expected.
High tide is expected about 8am on Sunday at Sandy Point/Lummi Bay at a height of 10 feet. Southeasterly winds of 10 to 27mph are expected during the advisory period.
The advisory area extends along the shores of San Juan County, western Whatcom County, western Skagit County and areas south to Bremerton.
While the King Tide is relatively moderate at 10.18 feet, the storm surge forecast pushes it to about 11.11 feet. The NWS forecast for waves are between 1 & 3 feet. While it is anticipated that the effects on most of coastal Whatcom County should be minor, should conditions change, it is possible that we may see some impacts along Whatcom County shores. The coastal areas of Whatcom County that could have the strongest King Tide effects include Sandy Point, Point Roberts, Birch Bay, the Lummi Peninsula and Lummi Island. Whatcom County Division of Emergency Management (January 5, 2023)