Here is this week’s weather forecast by PG&E meteorologist John Lindsey.
A high-pressure ridge is forecast to rebuild Monday for a familiar pattern of gusty Santa Lucia winds with cold mornings and mild afternoons. Monday’s maximum temperatures are expected to range from the mid-60s in the North County and along the beaches to the low 70s in the coastal valleys.
Smoke from the Thomas Fire is expected to move north over the Central Coast on Monday into Tuesday.
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A fast-moving cold front will approach the Central Coast on Tuesday, which will produce gentle southerly winds and increasing clouds. The cold front is forecast to move through Tuesday night/Wednesday morning, with areas of drizzle and light rain. There could even be snow flurries in the Central Coast mountains. This front will be followed by strong to gale-force (25- to 38-mph) northwesterly winds and cooler conditions on Wednesday afternoon and night.
Strong to gale-force (25- to 38-mph) Santa Lucia (offshore) winds and clear skies are forecast for Thursday, decreasing on Friday. A cooler air mass combined with clear skies will mean morning low temperatures will drop to the high teens in the North County.
An unsettled pattern is advertised to develop between Christmas and New Year’s Day, with increasing southerly winds and rain showers. But remember: These are long-range models and are subject to a great deal of change.
Monday’s 6- to 8-foot northwesterly (315-degree, deep-water) swell (with an 8- to 13-second period) will decrease to 3- to 5-feet along the San Luis Obispo County coastline Monday into Tuesday.
A 4- to 6-foot northwesterly (320-degree, deep-water) sea and swell (with a 5- to 15-second period) is forecast on Wednesday morning, increasing to 7 to 9 feet (with a 7- to 13-second period) Wednesday afternoon onto Thursday. A 3- to 5-foot northwesterly (310-degree, deep-water) swell (with an 11- to 18-second period) is expected along the coast Friday, decreasing to 3 to 4 feet (with an 8- to 14-second period) on Saturday into Sunday.
Seawater temperatures will range between 57 and 59 degrees through Tuesday, decreasing Wednesday into Thursday.
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John Lindsey’s Weekly Forecast is special to The Tribune. He is PG&E’s Diablo Canyon Power Plant marine meteorologist and media relations representative. Contact him at firstname.lastname@example.org. Follow him on Twitter @PGE_John.
This week’s temperatures
LOWS AND HIGHS, PASO ROBLES
LOWS AND HIGHS, SLO AND COASTAL VALLEYS