Excerpts from Tampabay.com:
The daily sea breeze would bring the possibly toxic fumes from the spilled oil onshore.
"Every morning when the sun comes up, it heats the ground all across Florida," explained retired Florida State University oceanographer Wilton "Tony" Sturges. "This nice warm air rises, bringing an onshore breeze that people like so much... But if there is something just offshore that you wish would go away, you're in trouble."
Read the article here: http://www.tampabay.com/opinion/essays/article1095574.ece