Record Tides Flood California Coasts, Stranding Drivers and Closing Roads

Key points

• San Pedro tide gauge recorded 8.02 feet, breaking the previous record from 2005, while Newport Beach gauges measured 8.3 feet, nearly two feet higher than predicted.
• Caltrans closed northbound lanes of Pacific Coast Highway in Huntington Beach and Miller Avenue in Mill Valley due to rising water levels.
• A driver in Mill Valley was rescued by a tow truck after his car became submerged mid-way during high tides.
• Newport Beach declared a local emergency, distributing 25,000 sandbags and suspending parking enforcement to allow residents to move vehicles to safety.
• The National Weather Service issued a coastal flood advisory through Thursday, with peak tides expected on Tuesday at 9:52 a.m.

Background

This event follows a series of extreme weather incidents in late 2026, including a nor'easter in the Northeast and recent storm damage in California from Tropical Storm Rachel. The current flooding is part of a broader trend of rising sea levels and intensified erosion driven by a historic El Niño and marine heat waves. Previous coverage noted that similar record tides were reported in Florida, highlighting a global pattern of amplified tidal cycles.

How outlets are covering it

KTVU emphasized the immediate human impact, highlighting a man stranded in a flooded car in Mill Valley and the use of paddleboards to navigate submerged streets. The Orange County Register focused on the infrastructure and economic impact, detailing business flooding in the Balboa Fun Zone and the logistical efforts to pump water and deploy sandbags. The Guardian provided a broader regional context, noting that water levels were 15 to 22 inches higher than expected due to El Niño and the Kelvin wave, and highlighted the long-term risks of ocean warming. While all sources agree on the severity of the flooding, KTVU and The Guardian focused on the environmental drivers, whereas the Orange County Register detailed the local emergency response and resident preparations.

Why it matters

The record-breaking tides demonstrate the increasing frequency and intensity of coastal flooding events driven by climate change. The closure of major roads and damage to businesses highlight the vulnerability of coastal infrastructure. As water levels remain elevated through Thursday, residents and officials must continue to monitor conditions to prevent further property damage and ensure public safety.

What to watch

The National Weather Service expects tides to peak on Tuesday at 9:52 a.m. before gradually decreasing through the week. Residents are advised to avoid beaches and low-lying areas, and to ensure flood-prone property is protected. Future king tides are expected around Thanksgiving and Christmas, which could pose even greater risks if combined with storms or rain.