Here is this week’s weather forecast by PG&E meteorologist John Lindsey.
A few areas of marine low clouds will develop along the beaches and coastal valleys this morning but will clear by the afternoon hours. Today’s maximum temperatures along the beaches will reach the 60s, while the coastal valleys will hit the 70s. The North County will reach the 80s.
A weak cold front will pass the Central Coast on Tuesday morning with increasing marine low clouds along with areas of fog and drizzle. In the wake of this cold front, strong to galeforce (25- to 38-mph) coastal northwesterly winds and cooler conditions will develop throughout San Luis Obispo County on Tuesday afternoon and night.
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A pattern of low clouds and fog developing during the night and morning hours, becoming clear and breezy during the afternoon hours, will start Wednesday and will continue through Thursday.
High pressure will build over the western U.S. on Friday. This condition will produce Santa Lucia northeasterly (offshore) winds that will give rise to clear skies and warm conditions throughout San Luis Obispo County starting Friday and continuing through next weekend. The exceptionally dry vegetation throughout the Central Coast will produce high fire danger. A long stretch of dry and warm autumn weather should last through the second week of October.
A 973-millibar storm will develop in the Gulf of Alaska on Sunday. An 8- to 10-foot northwesterly (315-degree deep-water) swell (with a 15- to 17-second period) from this storm will arrive on our coastline today and will remain at this height but with a gradually shorter period through Tuesday. Combining with this northwesterly swell Monday and Tuesday will be 2- to 4-foot northwesterly seas.
A 7- to 9-foot northwesterly (300-degree deepwater) sea and swell (with a 5- to 17-second period) is forecast along our coastline Wednesday through Thursday, decreasing to 4 to 6 feet (with an 11- to 14-second period) Friday. This swell will further lower to 3 to 5 feet next weekend.
A 1-foot Southern Hemisphere (200-degree deepwater) swell (with an 18-to 20-second period) will arrive along the Pecho Coast on Thursday, building to 1 to 2 feet (with a 15- to 18-second period) on Friday.
Seawater temperatures will range between 54 and 56 degrees through Tuesday, decreasing to 52 and 54 degrees Wednesday, and will remain at this level through Thursday.
Seawater temperatures will start to increase Friday and will continue to warm through next weekend.
John Lindsey’s Weekly Forecast is special to The Tribune. His Weather Watch column appears in the Local section on Sundays. Contact him at email@example.com .