Caught in a sou'easter, that's all.
"The Mermaid of Druid Lake and Other Stories"
Charles Weathers Bump
"It's a sou'easter, I'm almost certain," roared Dan in the girl's ear.
"Dan Merrithew"
Lawrence Perry
At ha'f-past ten it begun to sprinkle; at eleven 'twas raining hard; at noon 'twas a pouring, roaring, sou'easter, and looked good for the next twelve hours at least.
"Cape Cod Stories The Old Home House"
Joseph C. Lincoln