SLO County weather forecast for the week of March 3

Special to The TribuneMarch 2, 2014 

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

Weather report

Tropical moisture is expected to continue to stream over the Central Coast, which should result in mild temperatures, partly cloudy skies and the formation of some night and morning patchy ground fog.

This week, several upper-level disturbances are forecast to sweep across Northern California, which could produce showers as far south as Big Sur. San Luis Obispo County is forecast to remain dry, except for some drizzle Wednesday night into Thursday morning. Given the tropical nature of the moisture, snow levels are expected to remain above 6,000 feet, with no low snow events anticipated.

High pressure is expected to re-establish itself by Thursday afternoon and is likely to produce increasing northwesterly (onshore) afternoon winds and Santa Lucia (northeasterly) winds, developing during the night and morning hours. This condition is forecast to produce fair and mostly dry conditions through next weekend.

Wet weather could return next week; however, details remain unclear.

Today’s surf report

A west-southwesterly swell peaked Saturday morning at 21 feet with a 14-second period at the Diablo Canyon Waverider Buoy. This was the highest wave event since Jan 5, 2008, when the swell peaked at 21 feet with a 17-second period.

A 4- to 6-foot west-northwesterly (285-degree, deep-water) swell (with an 18- to 21-second period) will arrive along our coastline today, increasing to 8 to 10 feet (with a 16- to 18-second period) Tuesday. This swell will decrease to 6 to 8 feet (with a 13- to 15-second period) Wednesday and will remain at this height and period through Thursday morning.

Strong to gale-force (25- to 38-mph) northwesterly winds will generate a 6- to 8-foot northwesterly (300-degree, deep-water) sea and swell (with a 5- to 12-second period) Thursday afternoon, building to 8 to 10 feet with the same period Friday into Saturday.   

Seawater temperatures

A persistently strong northerly flowing current since Wednesday has produced warmer seawater along our coastline.

Seawater temperatures will range between 55 and 57 degrees through Thursday.
They’ll decrease to 53 and 55 degrees Friday through Sunday.

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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