This video is another Look at Life Documentary from Volume 1 - Transport - and features the Weather Adviser - a UK Weather ship from April 1965. In all conditions, special ships maintain a constant scientific watch on the weather.
Hardest part of getting on board of a ship is climbing up on a maximum height of pilot ladder as 9m. Vessel on that video is a 27kdwt bulk carrier in ballast condition bound for İstanbul strait northbound passage.