May Gray on the horizon | Central Coast Weather Report | Local News

After an extended period of gale force northwesterly winds and mostly clear skies, a change in the weather pattern will occur this week with decreasing winds and a persistent marine layer (May Gray) in coastal areas of the county. from Santa Barbara.

Moderate to cool westerly winds (13 to 24 mph) are expected Saturday through Sunday morning. These winds will allow a persistent marine layer with areas of fog and mist to move inland overnight and into the morning. Along the beaches, the overcast sky will continue throughout the day; however, the coastal valleys will see clearing in the late morning and afternoon.

Cool to strong (19 to 31 mph) northwesterly winds are expected Sunday afternoon and Monday afternoon. These winds are expected to be strong enough to produce sunny afternoon skies in coastal areas; however, fog and mist will persist overnight and into the morning.

Mild to moderate (8 to 18 mph) northwesterly winds are expected Tuesday through Thursday as a trough of low pressure moves over central California. This system will produce overcast skies throughout the day with areas of fog and drizzle overnight and into the morning along the coastline. Over this period, the beaches will oscillate between the high 50s and low 60s, while the coastal valleys (Santa Maria and Lompoc) will see the high 60s. The interior valleys (Santa Ynez) will warm up until the mid 80s under a clear sky.

Strong to gale force northwesterly winds, clear skies and slightly warmer temperatures in coastal regions are expected Friday through next weekend.

Sat Sun Mon Tue Wed Thu Fri Sat

47/69 48/68 47/69 48/68 49/69 54/70 55/73 56/74

Sat Sun Mon Tue Wed Thu Fri Sat

43/81 46/85 47/87 48/85 51/82 51/80 51/81 52/80

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Sat Sun Mon Tue Wed Thu Fri Sat

45/67 46/67 45/65 46/67 47/68 52/69 53/70 53/72

Sea water temperatures will fluctuate between 48 and 50 degrees on Monday, dropping to 51 and 54 degrees from Tuesday to Thursday.

A 4 to 6 foot northwesterly swell (290 degrees, in deep water) (with a period of 8 to 11 seconds) will begin Saturday afternoon and continue at this level through Sunday.

A northwesterly (300 degree, deep water) sea and 6-8 foot swell (with a period of 5-11 seconds) will develop on Monday, becoming a 5-7 foot swell on Tuesday.

A northwesterly swell of 3 to 5 feet (285 degrees, in deep water) (with a period of 8 to 11 seconds) is forecast along the central coast on Wednesday, diminishing to 2 to 4 feet by Thursday.

Increasing seas and swells from the northwest are expected to begin Friday and continue through next Sunday.

From the southern hemisphere:

A 1-2 foot (190 degree, deep water) swell (with a period of 15-17 seconds) will continue at this level through Monday.

John Lindsey is Pacific Gas and Electric Co.’s Diablo Canyon Power Plant marine meteorologist and media relations representative. Email him at [email protected] or follow him on Twitter @PGE_John.

Dale D. Schrum