sea from ahead的意思|示意

After 37 days at sea, Spotz is now halfway through her trip and ahead of schedule, about 1,250 miles away from land.

斯伯茨在海上已经渡过37天，现在在离大陆2,000公里的海上，已完成了一半行程，并领先预定的行程安排。

It starts in tropical heat and light headwinds and then, as you track north, the weather turns colder, the winds come from directly ahead and the sea kicks up to deliver a real challenge.

出发时将会遇到热带高温和轻微逆风，接下来向北航行，气温降低，风量将直接从前方袭来，海面状况将极具挑战。