I don't know about the day you went out, but i usually check the marine forecast from the NOAA. Every time i've gone it's been pretty accurate.
http://marine.weather.gov/MapClick.p...2#.WPIomfnytaR

Also check WeatherUnderground- they have a pretty good forecast data map
https://www.wunderground.com/wunderm...&PrecipStart=0