The Most Recent Ship Report Podcast:

The bulbous bow: an odd-looking, but very efficient, ship design feature

There's a unusual-looking ship design feature that's on pretty much all the ships that arrive here on the Columbia. When a ship is loaded, it's out of sight below the waterline, but on ships that are waiting for cargo, like in anchorages, you can sometimes see it. It's called the bulbous bow. It looks like a round or cylindrical protuberance sticking out in front of the ship at the front, below the waterline. Strange looking, yes, but it actually reduces drag, and improves ship efficiency and...

Archive Podcasts:

Salt vs fresh water: how does salinity affect sea conditions?

Today we’ll walk about an interesting but obscure topic for most land dwellers: how stormy sea conditions can vary between large bodies of fresh and salt water, like the Great Lakes and the Pacific Ocean. It’s not something we usually think about on land, but mariners know it well. And a bit more about what local conditions make our region so hazardous.

The USNS Grasp, a Military Sealift Command rescue and salvage ship, comes to Portland

We’re seeing unusual ships arriving in the river this week so far. Yesterday it was the USCGC Healy, the Coast Guard’s biggest ship, headed to the Swan Island shipyard.

Today it’s the USNS Grasp, a highly specialized rescue and salvage ship, whose job it is to save people and ships when they get in trouble on the water.

Image: the USNS Grasp, photo courtesy of US Navy photo gallery.

The USCGC Healy, US Coast Guard icebreaker and the Guard’s largest vessel, comes to the Columbia

Today we’ll see the USCGC Healy, a Coast Guard icebreaker and the US military branch’s largest vessel, enters the river early this morning on her way to the Vigor shipyard in Portland for about 8 months of repairs and maintenance. She’s an unusual vessel with some interesting history behind her name.

 

The Columbia River Bar is on Red status, so what happens now?

Yesterday the Columbia River Bar was on Red status, per the Columbia River Bar Pilots. It’s the most severe restriction on ship traffic they can impose, and it means most, if not all, ships will be restricted from coming in or out of the river till the weather improves.

We have a big potential ship schedule today, meaning lots of ships want to enter and leave the river. Today we’ll talk about the effect a temporary, weather-related closure like this has on vessels, and what they do while they wait.

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