DANIEL WAKES UP WORRIED. The stiffness in his masseter muscles, the aching in his frontalis and temporalis, tells him he's been worrying about something in his sleep. Still, being worried is preferable to being terrified, which he was until yesterday, when Captain van Hoek finally gave up on the idea of trying to sail Minerva into the throat of a gale and turned back to calmer waters along the Massachusetts coast.