More rain is expected to sweep through San Luis Obispo County early Friday, adding to the showers that dampened the region Thursday. A storm out of the Gulf of Alaska will also bring the highest ocean swells of the year to county beaches, PG&E meteorologist John Lindsey said.
The National Weather Service has issued a high surf advisory for the Central Coast from 7 p.m. Thursday through 10 a.m. Saturday. A coastal flooding advisory also was issued for 4 a.m. to noon Friday.
“We’ll see wave heights of over 23 feet along northwest-facing beaches and up to 17 feet on other beaches, starting at about 3 a.m. and lasting through most of the day on Friday,” Lindsey said. “That’s the largest swell we’ve had in 2015, by far.”
By late afternoon Thursday, most of the county had gotten less than a quarter-inch of rain, Lindsey said, but more rain is expected Friday, beginning about 4 a.m. and continuing until 10 a.m., bringing the two-day storm total to about a half-inch.
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More rain should arrive Sunday and continue into Monday morning, bringing up to an inch of rain, along with strong winds and plunging temperatures. In the North County, lows on Tuesday and Wednesday mornings will drop into the 20s, Lindsey said.
“It definitely will feel like Christmas,” he said.