SLO County weather forecast for the week of Aug. 26

pgeweather@pge.comAugust 26, 2013 

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

A broad upper-level trough of low pressure will remain situated off the California coast. This condition will continue to produce northwesterly (onshore) winds, which will give rise to night and morning marine low clouds and areas of fog along the beaches and coastal valleys. Otherwise, pleasant late summer weather will continue through this week.  

Today’s maximum temperatures will range from the 60s along the coast, low 80s in the coastal valleys, and 90s across the North County.

The potential for isolated thunderstorm activity increases along the southern Sierra and locations south and east of San Luis Obispo County later today through Tuesday as subtropical moisture associated with the remnants of Tropical Storm Ivo drift northward; however, no significant adverse weather is expected for our area at this time.

Slightly above-normal temperatures are forecast across the North County for Thursday and Friday, while closer to the coast, near-normal temperatures continue with morning low clouds and fog and strong- to gale-force (25- to 38-mph) afternoon northwesterly winds. 

Today’s surf report: Today’s 2- to 4-foot northwesterly (315-degree shallow-water) seas (with a 4- to 7-second period) will continue at this height and period through Wednesday.

Increasing northwesterly winds along the Central Coast will generate 4- to 5-foot northwesterly 320-degree shallow-water seas (with a 4- to 7-second period) along the Pecho Coast during the afternoon hours Thursday and will remain at this level through Sunday. 

A 1-foot westerly (270-degree deep-water) swell (with an 18- to 20-second period) from Typhoon Pewa is expected to arrive along our coastline Friday. 

Seawater temperatures: Seawater temperatures will range between 52 and 56 degrees through Sunday.

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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