San Diego October 27 Flooding: West Harbor Drive Closed Temporarily, Mission Bay and Pacific Beach Streets Inundated

SAN DIEGO, Calif. — October 27, 2026. Record-threatening tides pushed water into parts of San Diego’s waterfront Tuesday, affecting low-lying streets and waterfront access even without heavy rainfall. In an official October 27 release, the Port of San Diego confirmed dry-weather tidal flooding on both October 26 and 27 and the temporary closure of West Harbor Drive between Market and Front Streets. The Port said that stretch reopened about an hour later after water receded.

Statewide October 27 context: Read California58’s original county-by-county report on flooding, kayak footage, King Tides, Highway 101 ramps and Pacific Coast Highway closures. The roundup distinguishes confirmed inundation from forecast advisories and explains why the Marin City and Huntington Beach kayak videos were filmed on different dates.

Cross-reference added October 27, 2026.

Impacts beyond downtown

Local reporting on Tuesday documented floodwater affecting streets and bicycle paths around Pacific Beach and Mission Bay. Conditions were not identical across the city’s coast, and the Port’s West Harbor Drive closure should not be confused with all the local incidents.

A preliminary National Weather Service report at 10 a.m. October 27 identified a reading of 7.98 feet relative to mean lower low water (MLLW) at the La Jolla tide gauge, which forecasters called a preliminary all-time record for that measuring site. A tide-gauge reading is not the depth of floodwater in streets or buildings.

What the Port is asking residents to do

The Port warned that high water can overtop seawalls, close waterfront roads, obstruct pedestrians and cyclists, and interrupt business access. Elevated tides, Kelvin waves, seasonal astronomical tides and forecast rainfall can all contribute to the hazard. A National Weather Service Coastal Flood Warning covers San Diego County’s coastal areas through 1 p.m. Thursday, October 29. The highest risk was expected around late-morning high tides.

Residents and visitors should check Port of San Diego notices, NWS San Diego and local city alerts before traveling along low-lying waterfront routes. Do not cross floodwater in a vehicle or on foot; if a flooded road reopens after the tide falls, it could flood again during another elevated tide.

Primary sources: Port of San Diego, October 27 waterfront flooding notice; NWS preliminary local storm report: La Jolla tide gauge; NWS Coastal Flood Warning. Local reporting: NBC San Diego, October 27 street flooding around Mission Bay and Pacific Beach.

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