Chances are that you don't have a problem whatsoever but you should keep the engine straight up and down. Good luck.
Thanks Mud Runner.
Yeah, I could kick myself cause I know better. I just brought boat home from the dealership. It was a long day and a long drive and I just left it all parked in the driveway. Temp wasn't supposed to dip that low last night, but when I woke up and checked Weather.com, it said it was 27 degrees here. It did frost as well. The dealership winterized the engine, but they also washed the boat for me (stored indoors) and I didn't lower the motor before I pulled it out of their garage. There wasn't any rain so it must've been water from when they washed it.