Well I am a terrible 'at-sea' person, but my sweet husband has insisted that we try a short 7-day cruise on a very nice big boat. So it will be my first.

What can I wear for outerwear that will get me from cool Seattle to warmer Charleston, SC, where we are spending some time sightseeing, then to even warmer Puerto Rico and finally, back home to chilly Seattle (possibly high 40's to maybe 60) after the cruise?

I have been debating about a lightweight raincoat, a white denim jacket,...and what??! I am hoping to bring just the clothes that I need. (Angie, I know this runs counter to your personal packing strategy.)

Ideas, please?