Weather forecast for the week of July 15

pgeweather@pge.comJuly 15, 2013 

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

Weather report

An area of low pressure off the Northern California coast will remain nearly stationary through Tuesday. This trough will produce a general cooling trend throughout San Luis Obispo County with extensive night and morning low clouds, fog and mist/ drizzle near the coast.

Clear skies will develop in the coastal valleys and along the southwesterly facing beaches by late morning, followed by the westerly facing beaches by the afternoon. Last but not least, the northwesterly facing beaches will clear by late afternoon.

Today’s maximum beach temperatures will range from the low to high 60s. The coastal valleys will reach the mid-70s, while the North County will hit the high 80s.

As if on cue, a high- pressure ridge will build over the Central Coast starting Wednesday and will produce a warming trend for the Mid-State Fair. Near the coast, seasonably cool temperatures will remain. North County temperatures could reach 103 degrees by Friday.

Surf report

Fresh to strong (19- to 31-mph) northwesterly winds will generate a 4- to 6-foot northwesterly (320-degree deep-water) sea and swell (with a 5- to 9-second period) today.

A 3- to 4-foot northwesterly (300-degree deep-water) swell (with a 7- to 9-second period) will develop Tuesday and will remain at this height and period through Wednesday.

Strong to gale force (25- to 38-mph) northwesterly winds will generate a 5- to 6-foot northwesterly (320-degree deep-water) sea and swell (with a 5- to 9-second period) Thursday through Friday, becoming a 3- to 5-foot northwesterly (300-degree deep-water) swell (with a 7- to 9-second period) over the weekend.

Arriving from the Southern Hemisphere: A 1-foot Southern Hemisphere (200-degree deep-water) swell (with a 22-second period) will arrive Wednesday, increasing to 1 to 3 feet (with an 18- to 20-second period) Thursday. This swell will peak Friday and Saturday at2 to 3 feet (with a 15- to 17-second period).

Water temperatures

Seawater temperatures will range between 54 and 56 degrees through Wednesday, decreasing to 52 and 54 degrees on Thursday through Sunday.

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

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