It’s on Its Way From Up North, but It’s Not Santa : Weather: Lower temperatures and possibly light showers are forecast for Christmas Day.

Orange County certainly won’t have a white Christmas, but county residents might have to endure a wet one, forecasters said Friday.

Remnants of the second storm of the season are headed this way and could bring showers sometime Christmas Day, said Rob Kaczmarek, a meteorologist for WeatherData, which provides forecasts for The Times. He predicted a fair to partly cloudy day today and increasing cloudiness throughout the weekend, with a possibility of light showers on the Monday holiday.

“The main storm system is over the Gulf of Alaska,” Kaczmarek said. “This will be just a piece of that storm.”

High temperatures today should reach the upper 60s, with overnight lows all weekend in the 40s, Kaczmarek said. Temperatures should be slightly cooler Sunday and Monday.

Friday’s high temperatures reached 65 in Santa Ana and Anaheim, 63 in Lake Forest, 61 in San Juan Capistrano and 60 in Newport Beach, according to WeatherData.

Monday’s showers, if they come, could bring snow to the San Bernardino Mountains, “but not a major event, perhaps a couple of inches,” Kaczmarek said.

The rain will also most likely be a “one-day deal,” he said, but it could linger into early Tuesday, with a drying-off period coming by Tuesday afternoon.

At the county’s beaches, the high tides that have threatened beach communities such as Surfside should back off a little this weekend, according to a spokesman for Surfline/Wavetrak, a Huntington Beach-based surf forecasting service. A 7-foot high tide scheduled for 9:22 a.m. today will drop to a 5.8-foot high tide at 11 a.m. Christmas morning, the spokesman said.

But the 3- to 5-foot surf that has been pounding county beaches is expected to pick up again this afternoon and continue through the holiday. The best surfing areas could experience some 7-foot-plus sets, according to the service.

* WEATHERING ONE STORM

Even at high tide, beachfront homes in Surfside remained out of harm’s way. B3