The first day of the New Year will be ushered in by gusty winds and big waves along the coast.
Building high pressure will help boost daytime highs into the mid to even upper-60s across the Central and South Coasts.
Skies will be mostly sunny with a few high clouds. Some valley areas may encounter fog but it will not be widespread.
The wind and surf are the big factors in this forecast.
A high surf warning is in effect for the Central Coast through Thursday afternoon. Expect large breaking waves of 10-15 ft. Wednesday morning. Waves will build 15-20 ft. Wednesday afternoon through Thursday afternoon.
Along the South Coast, a high surf advisory is in effect through the end of the week. Waves are forecast to break at 5-7 ft. building to 7-9 ft. through Friday. Be aware of dangerous rip currents during these conditions.
Meanwhile, a high wind warning will take effect Wednesday afternoon for the mountain areas of Santa Barbara, Ventura and LA counties. Expect north winds of 25-40 mph with gusts to 65 through tomorrow at about noon.
A wind advisory is in place along the Santa Barbara County South Coast, particularly for hill and canyon areas. Winds will be out of the north, 20-30 mph with gusts to 50 mph. The advisory is set to expire at noon tomorrow.
Winds across San Luis Obispo County will be quite breezy as well with gusts 20-35 mph. Isolated gusts to 40 mph are possible Wednesday afternoon and early evening.
Temperatures will continue to be mild through the remainder of the week. Expect mid to upper 60s across San Luis Obispo and Santa Barbara counties.