It's also a good idea to check tide charts.

He thinks a tide chart is a sort of hymn sheet.

And you wouldn't happen to have an extra one of those tide charts, by chance, would you?

I got the tide chart, filled my arms with prickly kindling and pushed open the screen door.

"This tide chart seems to be closely accurate, as far as you can tell?"

He went back to his tide charts and his stew.

Lieutenant Ingram was studying the tide charts for the previous evening.

For at the top was scrawled in French, what looked like a tide chart with various times and dates.

A local newspaper had published incorrect tide charts and he was stuck and alone, without any means of communication.

My plans for the evening changed quickly as I looked at tide charts.