Weather forecast for the week of April 7

It appears that SLO County's rainy season is winding down

pgeweather@pge.comApril 7, 2014 

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

Weather report

Based on 99 automated snow sensors, the snowpack water equivalent/content statewide as of Sunday was 35 percent of average, with 26 percent of normal for the northern Sierra, 42 percent of normal for the central Sierra, and 34 percent of normal for the southern Sierra.

A 1,027-millibar high over the Great Basin should produce moderate to fresh (13- to 24-mph) Santa Lucia (offshore) winds this morning. These northeasterly winds should make for sunny and warm weather today and Tuesday, with most spots in the 70s at the coast and low 80s in the coastal valleys and North County. 

Tonight is expected to be a clear night, with overnight temperatures warmer than Sunday night and mostly in the upper 40s to middle 50s.

Tuesday is expected to be the warmest day this week. Winds are expected to shift out of the northwest (onshore), which should allow for night and morning low clouds and fog to develop along the coastal regions of San Luis Obispo County. 

This condition is expected to produce cooler temperatures throughout the Central Coast. 

A weak cold front is expected to pass over San Luis Obispo County late Friday into Saturday morning, with areas of drizzle, followed by strong to gale-force (25- to 38-mph) northwesterly winds Saturday afternoon through Sunday. The Eastern Pacific high is forecast to strengthen next week. This condition should keep the storm track far to the north. 

Unfortunately, it appears that the rainy season is winding down. 

Monday’s surf report

Sunday’s 8- to 10-foot northwesterly (300-degree, deep-water) sea and swell (with a 7- to 13-second period) is expected to decrease to 5 to 7 feet (with an 8- to 13-second period) by this morning. 

Increasing southwesterly winds should generate a 5- to 7-foot southwesterly (255-degree, deep-water) sea and swell (with a 5- to 11-second period) this afternoon and night, followed by an 8- to 10-foot northwesterly (290-degree, deep-water) swell Tuesday. This swell is expected to build to 9 to 11 feet (with an 11- to 13-second period) by Wednesday. 

This northwesterly swell will decrease to 5 to 7 feet (with a 7- to 12-second period) Thursday.

Moderate gale-force to fresh gale-force (32- to 46-mph) northwesterly winds along the California coastline should generate a 6- to 8-foot northwesterly (300-degree, deep-water) sea and swell (with a 4- to 14-second period) Friday, Saturday and Sunday.

Seawater temperatures 

Seawater temperatures are expected to range from 52 to 54 degrees through Thursday, decreasing to 49 and 52 degrees Friday and remaining at this level through next Monday.

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

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