Here is this week’s weather forecast by PG&E meteorologist John Lindsey.
A weak upper-level low-pressure system is expected to move southward along the California coast Monday into Tuesday. This system will produce night and morning low clouds and fog, with scattered mid- to high-level clouds. High temperatures will be mild, with most Central Coast areas reaching the 70s.
High pressure is forecast to build over the Great Basin on Wednesday and will remain nearly stationary into the remainder the week. This condition will produce a pattern of moderate to fresh (13- to 24-mph) Santa Lucia winds during the morning hours and strong to gale-force (25- to 38-mph) northwesterly winds along the coastline during the afternoon.
Consequently, skies will remain mostly clear, and temperatures will warm to the high 80s to low 90s away from the coastline throughout San Luis Obispo and Santa Barbara counties. Warm and dry weather may continue into the following week.
Monday’s surf report
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Monday morning’s 4- to 6-foot northwesterly (320-degree, deep-water) sea and swell (with a 5- to 12-second period) will decrease to 3 to 5 feet (with a 7- to 11-second period) in the afternoon and into the night.
A 2- to 4-foot northwesterly (300-degree, deep-water) swell (with an 8- to 11-second period) will develop along our coastline Tuesday into Wednesday. Increasing northwesterly winds will generate a 4- to 6-foot northwesterly (315-degree, deep-water) sea and swell (with a 4- to 7-second period) Thursday into Sunday.
Arriving from the Southern Hemisphere: A 2- to 3-foot swell (with a 16- to 18-second period) is expected to arrive along our coastline Tuesday and will remain at this level through Saturday.
Seawater temperatures will range between 58 and 62 degrees through Wednesday. They will decrease Thursday through Saturday.
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Stay cool: Temperatures are forecast to warm up again by the end of the week. When temperatures are unusually high, avoid strenuous activities in hot, direct sunlight, and drink plenty of water. Pay attention to your body: Muscle cramps, dizziness and nausea may be signs of a heat-related illness.