The Ship Report: Our weather shows signs of more fall "seesawing," with more rain on the way

Rising fall seas nearing the 20-foot Columbia River bar restriction threshold could soon slow large-vessel shipping traffic.

• Fall weather pattern: Pacific Northwest coastal waters shifting into typical fall/winter cycle, alternating rain and sunshine, with seas rising to 15-35% chance of 15+ feet starting Monday.
• Columbia River bar risk: Seas approaching 20 feet trigger yellow status restrictions from Columbia River bar pilots, complicating big-vessel passage in late fall/winter.

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