Here is this week’s weather forecast by PG&E meteorologist John Lindsey.
If there is one word to describe this week’s weather, it would be windy — and this will certainly be the case Monday afternoon.
A relatively cold low-pressure system is forecast to slide along the spine of the Sierra Nevada, producing a steep pressure gradient along the Central Coast. Consequently, moderate gale-force to fresh gale-force (32- to 46-mph) northwesterly winds are expected to develop along the coastline, with gusts to 55 mph at the more exposed beaches Monday afternoon. Windy indeed!
As for temperatures, Monday’s highs are expected to range from the mid-70s in the North County to mid-60s in the coastal valleys. The beaches will remain in the 60s as the cooler air mass associated with the low-pressure system moves into Central California.
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High pressure will then briefly build in the wake of the departing low-pressure system, which will produce Santa Lucia (northeasterly) winds Tuesday morning, followed by another round of strong to gale-force (25- to 38-mph) northwesterly winds and slightly warmer weather.
If there is one word to describe this week’s weather, it would be windy.
A late-season low-pressure system is forecast to move into the Central Coast on Wednesday, spreading rain showers and strong to gale-force west-northwesterly winds throughout San Luis Obispo and Santa Barbara counties. A few rain showers may persist into Thursday morning.
As the system departs on Thursday, increasing high pressure will usher in higher temperatures for this weekend. In fact, the inland valleys are expected to reach into the 90s by Sunday; however, along the beaches, strong to gale-force afternoon northwesterly winds will develop over this time frame.
Cooler conditions may return the following week, as the long-range models show another low-pressure system moving through California.
Increasing northwesterly winds along the California coast are expected to generate a 10- to 12-foot northwesterly (310-degree, deep-water) sea and swell (with a 5- to 11-second period) on Monday.
This northwesterly sea and swell will lower to 8 to 10 feet (with a 7- to 14-second period) Tuesday, further decreasing to 4 to 6 feet (with an 8- to 11-second period) on Wednesday.
Another round of gale-force northwesterly winds along the California coast is forecast to generate a 9- to 11-foot northwesterly (310-degree, deep-water) sea and swell (with a 7- to 14-second period) on Thursday, remaining at this height but with a gradually shorter period through Sunday.
Increasing amounts of upwelling will produce cooler seawater temperatures this week. Seawater temperatures will range between 52 and 56 degrees through Monday, decreasing to 50 to 54 degrees on Tuesday into Friday.
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At PG&E, your safety is our first concern.
With this week’s gale-force winds, downed power lines are a possibility. If you see a downed power line, assume it is energized and keep yourself and others away. Call 911 immediately to report the location of the line, then call toll-free to 800-743-5002, PG&E’s 24-hour emergency and customer service line.
This week’s temperatures
LOWS AND HIGHS, PASO ROBLES
LOWS AND HIGHS, SLO AND COASTAL VALLEYS