smooth.
Look at Beckson vent shades for berth windows.
Keep anchor rode hatch open when not boating
Buy cheap fabric softener, fill a pop bottle and make a wick out of clean rag
m2cw I would be carefull with bleach and perform a test area.
We used our portable Bissell carpet and upholstery cleaner. Might need multiple passes
Add a solar fan. Pull a cockpit pie plates and install over the hole
Regularly clean bilge with soapy (hot is water) and add some bleach, Simple Green, etc
Look for other ideas to keep boat ventilated in storage like cracking any windows without allowing water inside
If 110V power is near, look at a box fan and electronic timer
m2cw