Here is this week’s weather forecast by PG&E meteorologist John Lindsey.
A classic Central Coast autumn weather pattern will continue through this week with mostly clear skies and near-seasonal temperatures.
Gentle to moderate (8 to 18 mph) Santa Lucia (offshore) winds during the late night and morning hours will keep the coastal-stratus clouds out to sea during the overnight and morning hours. However, persistent northwesterly onshore winds during the afternoon hours will allow areas of marine low clouds to develop along the coastal regions during the late afternoon and evening hours.
Temperatures will range between the low 80s in the coastal valleys to the mid-80s in the North County. The beaches will warm to the 70s, except for Cayucos, Avila Beach and Shell Beach which will warm to the high 70s.
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A few of the weather models are indicating subtropical moisture moving northward into the Central Coast next Monday and Tuesday producing a chance of rain showers, thunderstorms and muggy weather.
Increasing northwesterly winds along the California coastline will generate a 6- to 8-foot northwesterly (320-degree, deep-water) sea and swell (with a 5- to 11-second period) into Monday. This northwesterly sea and swell will decrease to 4- to 6-feet with the same period Tuesday.
A 3- to 5-foot northwesterly (300-degree, deep-water) swell (with an 8- to 11-second period) is forecast along our coastline Wednesday into Thursday morning. A 4- to 6-foot northwesterly (315-degree, deep-water) sea and swell (with a 4- to 15-second period) is forecast along our coastline Thursday afternoon into next Sunday.
Arriving from the Southern Hemisphere: A 1- to 3-foot Southern Hemisphere (195-degree, deep-water) swell (with a 20- to 22-second period) will arrive along our coastline Thursday, building to 3 to 4 feet (with an 18-to 20-second period) Friday. This swell will peak in height Saturday at 3 to 5 feet (with a 15- to 17-second period), gradually decreasing next Sunday and Monday.
Seawater temperatures will range between 54 and 57 degrees through Friday.
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At PG&E, the safety of our customers and employees is our top priority. Thunderstorms could develop next Monday and Tuesday, remember, each year in the United States, more than 400 people are struck by lightning. There is no safe place outside in a thunderstorm. “when thunder roars, go indoors!”
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