Possible Clues:

• Midday break! Start without a magazine
• Inlet much improved by midday?
• One possibly let in, much intoxicated
• Vessel dropping off a US magazine in midday break
• When midday meal is eaten
• Period going by motorboat without a break
• Maybe one hot guy being entertained by uncle lavishly
• One perhaps requiring fresh hint with clue about possum's bottom
• *Many sandwiches are made for it
• Put to sea without a periodical break