Possible Clues:

• Toward the rear of a boat
• Rear (nautical)
• Siesta time: Abbr
• At rear of floating logs, not front
• Time in some want ads
• "To the rear, Admiral!"
• Back one foot short
• 'Send everyone ___; mastheads there!': Ahab
• Time in 65-Down
• Popeye's behind?