King tides, freezing morning temperatures, high surf alerts, and sudden warm spells define the unpredictable and extreme weather patterns of December in Southern California. Residents experience rapid shifts from cold mornings to mini heatwaves, while coastal areas face elevated surf and potential flooding hazards throughout the month.

King Tides Fade, Santa Ana Winds Return

Here is the rundown 👇

Read this if you follow weather alerts, surf conditions, or SoCal climate trends.

📍 What Just Happened

Cold morning temperatures combined with the final King Tides have prompted high surf warnings along Southern California’s coastlines for today.

A December warm-up is expected to follow, pushing Southern California into a brief mini heatwave with rising daytime temperatures and sunny conditions.

📋 Key Details

Advisories: Frost/Freeze alerts until 8 a.m.; High Surf in Ventura through noon
Beach Hazards: Santa Barbara advisory through Saturday
Winds: Offshore + Santa Ana winds returning
Heatwave: 70s, 80s, possibly 90s inland
Timeline: Warmup begins Friday; lasts into mid-next week

🔍 Why This Matters

Rare December heat could break daily records.
Surf hazards and shifting winds create risky beach conditions.
Rapid temp swings may cause morning fog & driving visibility issues.

🧠 The Bottom Line

High surf warnings are ending as a December heatwave moves into Southern California, signaling dramatically warmer temperatures across the region. Forecasts indicate the warming could reach record-breaking levels, with residents experiencing unusually high temperatures for this time of year.

High Surf Today, December Heatwave on the Way