Here is this week’s weather forecast by PG&E meteorologist John Lindsey.
A developing 984-millibar storm about 1,000 miles off the California coastline will continue to produce partly cloudy but dry weather Monday into Tuesday. This system will also produce gentle to moderate (8- to 18-mph) east-southeasterly winds through Tuesday. Temperatures will be mild, dropping to the 40s during the night and morning hours and warming to the 60s during the afternoon hours.
The associated cold front with this Pacific storm will swing through the Central Coast on Wednesday with strong- to gale-force southerly winds and rain. Snow levels should remain generally above 4,500 feet in the Sierra Nevada. Total rainfall amounts are expected to range between one-fourth and three-fourths of an inch. The rain and mountain snow should end overnight Wednesday, however, an upper-level trough will move through San Luis Obispo and northern Santa Barbara counties Thursday, bringing a chance for scattered rain showers.
Another low-pressure system is expected Saturday, with rain and low mountain snow. More wet and unsettled weather is forecast through the following week, but no big storms are expected until maybe later in the month.
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A 5- to 7-foot west-northwesterly (285-degree, deep-water) swell (with a 14- to 22-second period) will arrive along our coastline Monday morning, increasing to 10 to 12 feet (with a 13- to 18-second period) Monday afternoon and night. This swell will decrease to 9 to 11 feet (with a 15- to 17-second period) Tuesday into Wednesday. Combined with Wednesday’s swell will be 3- to 5-foot southerly (185-degree, shallow-water) seas.
A 9- to 11-foot west-northwesterly (285-degree, deep-water) swell (with an 11- to 15-second period) is forecast along our coastline on Thursday and will remain at this height and period all the way through Sunday.
An 11- to 13-foot west-northwesterly (285-degree, deep-water) swell (with a 15- to 17-second period) will arrive next Monday, building to 13 to 15 feet (with a 14- to 16-second period) next Tuesday and Wednesday. Rough indeed!
Seawater temperatures will range between 57 and 59 degrees through next Monday.
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At PG&E, your safety is our first concern. This winter is likely to have a very strong El Niño effect that may bring more than normal amounts of rain across California. Please visit www.pge.com for preparedness tips.
John Lindsey’s Weekly Weather Forecast is special to The Tribune. His Weather Watch column appears in the Local section on Sundays. Contact him at email@example.com.
This week’s temperatures
LOWS AND HIGHS, SLO AND COASTAL VALLEYS
LOWS AND HIGHS, PASO ROBLES