Kitesurfers take over Cayucos beach
Here is this week’s weather forecast by PG&E meteorologist John Lindsey.
The first full day of fall occurred Saturday. As if on cue for the Central Coast, high pressure will begin to build back into California through this week. In other words, the final days of summer saw temperatures across the Central Coast run below-normal and even the first dusting of snow across higher the elevations of the Sierra Nevada, while the first official week of autumn will feature above-normal temperatures.
It’s not uncommon for October to be the warmest month of the year in the coastal valleys and along the beaches. In the first week of October 1987, a strong, high-pressure ridge combined with Santa Lucia (northeasterly) winds to produce a scorching heat wave across California. San Luis Obispo was the warmest location in the nation, with 111-degree temperatures recorded at the airport two days in a row.
This high-pressure ridge will produce gentle to moderate (8 to 18 mph) and at times gusty Santa Lucia (offshore) winds during the morning hours, shifting out of the northwest during the afternoon, and warmer conditions. In fact, San Luis Obispo and Paso Robles will warm to the high 80s to low 90s by Tuesday.
For the remainder of the week, current longer-range models suggest dry and warm weather will continue into the end of September. Still no rain in sight, as high pressure will continue to meander over the Central Coast.
Monday's 3- to 5-foot northwesterly (310-degree, deep-water) sea and swell (with a 7- to 11-second period) will continue at this level into Tuesday. A 2- to 4-foot northwesterly (300-degree, deep-water) swell (with an 8- to 11-second period) will develop along our coastline Wednesday into Friday morning.
Increasing northwesterly winds Friday afternoon into Sunday will generate a 3- to 4-foot northwesterly (310-degree, deep-water) sea and swell (with a 7- to 11-second period) on Friday afternoon into next Sunday.
Arriving from the Southern Hemisphere: A potentially significant Southern Hemisphere swell could arrive along our coastline Oct. 5.
Seawater temperatures will range between 53 and 57 degrees through Friday.
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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 firstname.lastname@example.org. Follow him on Twitter @PGE_John.
This week’s temperatures
LOWS AND HIGHS, PASO ROBLES
LOWS AND HIGHS, SLO AND COASTAL VALLEYS