Hold on to your hats!
The advisory takes effect at 2 p.m., with northwest winds increasing to 15 to 30 mph, and gusts to 45 mph, forecasters said.
Winds are expected to shift to the north by the evening, and continue until the early-morning hours Thursday.
Local roadways likely to be affected by the gusty conditions include Highway 154 over San Marcos Pass, and Highway 101 from Santa Barbara to Gaviota. Motorists in those areas are urged to use extra caution.
Sunny skies are expected through the weekend, with daytime highs near 70 and overnight lows in the upper 40s.