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SLO County weather forecast for the week of Oct. 9

More clear skies along the beaches are expected into Tuesday. The columnist took this photo of clear skies along coastline at the Marre House above Avila Beach.
More clear skies along the beaches are expected into Tuesday. The columnist took this photo of clear skies along coastline at the Marre House above Avila Beach.

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

An area of high pressure will move into Nevada, creating night and morning Santa Lucia (offshore) winds, clear skies and seasonal temperatures into Tuesday morning.

A dry cold front will approach the Central Coast on Tuesday afternoon, with gentle southerly winds, increasing marine low clouds Tuesday night into Wednesday morning. The cold front is scheduled to pass San Luis Obispo and northern Santa Barbara counties later Wednesday morning, creating a steep pressure gradient along the coastline.

This gradient will produce strong to gale-force (25 to 38 mph) northwesterly (onshore) winds, areas of marine low clouds during the overnight hours and cooler conditions Wednesday into Saturday. Frost may develop in the North County by Friday, with morning low temperatures possibly dropping below the freezing level in the North County by Saturday.

The long-range models are advertising a chance of light rain Oct. 20. Note: These long-range models often change.

Surf report

Sunday’s 8- to 10-foot northwesterly (305-degree, deep-water) sea and swell (with a 7- to 12-second period) will remain at this height into Monday morning, decreasing to 6 to 8 feet by Monday night. This northwesterly sea and swell will further lower to 4 to 6 feet (with an 11- to 13-second period) Tuesday.

Strong to gale-force (25 to 38 mph) northwesterly winds will generate an 8- to 10-foot northwesterly (310-degree, deep-water) sea and swell (with a 7- to 11-second period) Wednesday into Thursday, decreasing to 7 to 9 feet with the same period Friday into Saturday.

Seawater temperatures will range between 55 and 58 degrees through Wednesday, decreasing Thursday into Friday.

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At PG&E, the safety of our customers and employees is our top priority. Downed power lines are dangerous. Never touch them. For safety’s sake, always assume that a fallen power line is live, and follow these guidelines: A) Avoid touching the downed line with your hand or an object, such as a stick, broom or pole. B) Avoid touching anything, such as a car, object or equipment, or anyone who is in contact with a fallen power line. C) Keep children and pets away from fallen electric lines. D) Avoid driving over a fallen power line. E) Call 911 immediately to report a fallen power line.

John Lindsey’s Weekly Forecast is special to The Tribune. He is PG&E’s Diablo Canyon Power Plant marine meteorologist and media relations representative. Contact him at pgeweather@pge.com. Follow him on Twitter @PGE_John.

This week’s temperatures

LOWS AND HIGHS, PASO ROBLES

MON

TUE

WED

THU

FRI

SAT

SUN

40 89

39 85

40 83

38 80

35 77

31 77

33 76

LOWS AND HIGHS, SLO AND COASTAL VALLEYS

MON

TUE

WED

THU

FRI

SAT

SUN

49 81

53 84

52 79

50 80

49 80

48 77

46 77

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