The heat eases, but another weather hazard remains

Sneaker Wave Threat: The Beach Hazards Statement has been extended for all SF/Bay Area Pacific coastlines through 5 AM Thursday.  Powerful southerly swells are creating random, massive waves that can surge high up the dry sand without warning. Late-Night Flooding: The Coastal Flood Advisory is active until 5:00 AM Wednesday for the SF coast. Keep vehicles away from low-lying coastal parking lots and frontages tonight, as tides will crest up to 2 feet above normal around midnight  The weather ridge over the West Coast has peaked and a cooling trend begins tomorrow. 1. Updated High Tide Windows (Heading into Midweek) Astronomical factors and ocean swells are keeping late-night tides dangerously high, though water levels are beginning a very slow step-down from the weekend peak. Tonight (Late Tuesday Night / Wednesday Morning): Water levels will crest at 12:56 AM tonight, spiking a significant 1.7 feet above normal (hitting 7.5 feet) Expect saltwater flooding on low-lying bayshore and coastal roads. Tomorrow Night (Late Wednesday Night / Thursday Morning): The final peak of this cycle arrives at 1:51 AM Thursday, tracking at 1.2 feet above normal (7.1 feet)  2. Fog Schedule Tonight's Fog Timeline: The marine layer is holding steady at 1,100 to 1,500 feet.Expect another widespread blanketing of coastal areas and West San Francisco by Wednesday morning. 3. Temperature & Wind Wednesday (The Cooldown Begins): The upper-level high-pressure system begins breaking down tomorrow. While the coast will stay in the 60s under marine influence, inland locations will drop 2 to 5 degrees cooler than today, but still above average East Bay. Southwest breezy winds 10 - 20 mph. Enjoy your Wednesday!