High pressure will continue to produce hot North County temperatures with many locations reaching the triple digits. Paso Robles hit 106 degrees yesterday. The coastal valleys will range between the mid- to high 70s, while the beaches remain mostly in the 60s with late night and early morning low clouds and fog.
A wild card could be the amount of cloud cover that develops across the Central Coast as monsoonal moisture interacts with an upper-level disturbance; nonetheless, the potential for afternoon thunderstorms across the central and southern Sierra will increase today.
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Cooling will develop Tuesday into Thursday as the strong ridge of high pressure responsible for the hot North County temperatures shifts eastward over Nevada. This will allow for coastal stratus to re-establish along the coast and northwesterly (onshore) winds to slightly strengthen.
Temperatures will gradually warm Friday through next Monday in the North County and coastal valleys. However, strong to gale force (25- to 38-mph) northwesterly winds will keep the beaches mild. Remnant monsoonal moisture will also continue the chances for afternoon thunderstorm development across the central and southern Sierra.
Today’s surf report
Today’s 3- to 5-foot northwesterly (305-degree, deep-water) swell (with a 7- to 9-second period) will remain at this level through Friday.
Strong to gale force (25- to 38-mph) northwesterly winds will generate a 3- to 5-foot northwesterly (315-degree, deep-water) sea and swell (with a 4- to 8-second period) Saturday into Sunday, building to 4 to 6 feet with the same period next Monday.
Arriving from the Southern Hemisphere:
Today’s 2- to 3-foot Southern Hemisphere (180-degree, deep-water) swell (with a 17- to
19-second period) will remain at this height but with the gradually shorter period through Wednesday. This long-period swell will bring an elevated risk of strong rip currents. If you get caught in a rip current, try to conserve your energy and do not swim against the current. Try to swim parallel to shore to get out the current.
Seawater temperatures will range from 55 to 59 degrees through Sunday.