According to this article, the Cherry Point facility isn't going to happen.
http://www.railwayage.com/index.php/...tml?channel=50
If the ocean rose enough to make the coastal line unusable, we would have a much bigger problem than BNSF losing their line. Coal traffic is currently on a decline but there is still enough demand to keep them rolling through White Rock. Manifest trains of mixed goods have also increased as trade over the border has increased.