TIMELINE: Here's how a strong level 3 storm will impact the Bay Area Friday

Drew Tuma Image
Friday, December 29, 2023
AccuWeather Forecast: Level 3 strong storm this afternoon, evening
A level 3 strong storm will be moving through this afternoon and evening with gusty winds up to 45 mph and possible coastal flooding in parts due to high surf.

SAN FRANCISCO (KGO) -- A strong storm is coming to the Bay Area Friday and ABC7 Meteorologist Drew Tuma has upgraded it to a level 3 on the ABC7 Exclusive Storm Impact Scale. Flooding we saw Thursday along the coast may continue Friday as surf remains high before heavy rain and strong winds hit the Bay Area. Here's a breakdown:

LIVE UPDATES: High surf to continue impacting coastline as heavy rain comes Friday afternoon

LIVE RADAR: Track storms as they move through the Bay Area with Live Doppler 7

  • 11 a.m.: Rain will be light, but winds will be gusty (20-35mph). Rough surf, coastal flooding possible.
  • 4 p.m.: Rain becoming heavy. At this hour steadiest will be in the North Bay.
  • 5/6 p.m.: This is when we are in the worst of the storm. Heavy rain falling across the Bay Area leading to tough travel. Could start seeing roadway flooding.
  • 11 p.m.: Heaviest rain will have exited but still dealing with scattered showers.


  • Morning will see mist/drizzle before heavy rain arrives later today.


  • Wind Advisory in effect until 7 p.m. for gusts up to 45 mph. Power outages possible.


  • High surf advisory in effect. Waves are not as bad as yesterday. Up to 19' waves possible.
  • Coastal flood advisory until 2 p.m. High tide around noon could lead to isolated flooding.


  • Winter Weather Advisory starts at 10 p.m. tonight
  • 4"-8" above 6,000'
  • Up to 18" highest peaks

Watch the latest AccuWeather forecast and take a look at recent weather stories and videos.

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