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SAN DIEGO – About 800 San Diego Gas & Electric customers were without power late Tuesday, hours after thousands lost power amid a heavy winter storm that moved through the area.

As of 11 p.m., the largest concentration of outages was in the Oceanside/San Luis Rey/Ocean Hills communities where 553 customers were listed as being without power, an SDG&E outage map shows. The outage, caused by a “need to repair SDG&E equipment,” is expected to last until 4 a.m. Wednesday.

Another chunk of 175 customers was without power in the City Heights/ Chollas Creek/Oak Park areas, according to the outage map. Power is expected to be restored there by 8 a.m. Wednesday.

Earlier in the day, about 10,800 customers lost power as a heavy winter storm slammed the area with high winds as well as bursts of rain and even snow that created challenges for travelers throughout the day.

Check the company’s outage map for updates here.

FOX 5’s Dillon Davis contributed to this report.