High pressure could give way to showers Tuesday night

Special to The TribuneMarch 23, 2014 

Here is this week’s weather forecast by PG&E meteorologist John Lindsey.

Weather report

A transitory ridge of high pressure will likely produce gentle to moderate (8- to 18-mph) Santa Lucia (northeasterly) winds this morning. This offshore flow should produce clear skies and warmer conditions. 

Today’s maximum temperatures should range from the low to high 70s throughout San Luis Obispo County.  

The ridge of high pressure is forecast to break down Tuesday as a cold front approaches the Central Coast. Marine low clouds and areas of fog are likely to develop along the coastal regions Tuesday morning, signaling a change in the weather pattern. A cold front is expected to pass over San Luis Obispo County on Tuesday night into Wednesday morning, with rain showers possible. Snow levels in the Sierra should lower to 4,000 and 5,500 feet, north to south. Rain showers are expected to taper off Wednesday afternoon. Total rainfall amounts should range between 0.10 and 0.25 inches.

At the moment, it looks like dry weather will return Thursday and should remain through Friday. Then a potentially stronger weather system is expected to approach San Luis Obispo County from the Pacific on Saturday. This vigorous low-pressure system is expected to produce increasing southerly winds and clouds Saturday, and strong to gale-force (25- to 38-mph) southerly winds and rain by Sunday.  

Another chance for precipitation will occur around April 2-3 to begin the month.

Today’s surf report

The northwesterly winds are expected to increase to fresh to strong (19- to 31-mph) levels this afternoon through Tuesday. These winds should generate a 

4- to 6-foot northwesterly (305-degree, deep-water) sea and swell (with a 5- to 15-second period) through Tuesday night. 

An 8- to 10-foot northwesterly (295-degree, deep-water) swell (with an 8- to 15-second period) is expected to arrive along our coastline Wednesday, becoming a 6- to 8-foot northwesterly sea and swell (with a 5- to 13-second period) Thursday through Friday.

A 4- to 6-foot northwesterly (300-degree, deep-

water) swell (with an 11- to 14-second period) is expected to arrive along our coastline Saturday, followed by increasing southerly seas Sunday into next Monday. 

Seawater temperatures

Seawater temperatures will range between 53 and 55 degrees through Saturday.

John Lindsey’s Weekly Forecast is special to The Tribune. His Weather Watch column appears in the Local section Sundays. Email him at pgeweather@pge.com.

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