Arriving from the Northwest:
A 4- to 6-foot westerly (270-degree, deep-water) swell (with an 8- to 16-second period) will remain at this height and period into Sunday morning.
A 5- to 7-foot northwesterly (300-degree, deep-water) sea and swell (with a 5- to 12-second period) will arrive along our coastline on Sunday, decreasing to 4 to 6 feet (with a 5- to 11-second period) on Monday into next Friday.
Combined with this northwesterly swell will be 2 to 3 foot southerly seas on Tuesday into Friday.
Today's models and charts are advertising a 970 millibar storm developing about 300 miles to the west-southwest of San Luis Obispo on Dec. 16. If the storm develops as advertised, storm-force southerly winds and extremely-high southwesterly sea and swell could arrive along our coastline next weekend (Dec. 17 and 18).
Arriving from the South
None to report.
Seawater temperatures will range between 54 and 57 degrees through next Friday.
Seawater visibility was 9 to 12 feet at the Diablo Canyon Intake.
OUTLOOK for SWELL:
DIR. W HT. 4-6 PER. 8-16 Saturday morning
Remaining at: DIR. W HT. 4-6 PER. 8-15 Saturday afternoon
Remaining at: DIR. W HT. 4-6 PER. 8-14 Saturday night
OUTLOOK for WINDS:
DIR. SE SPEED 10-15 Saturday morning
Decreasing to: DIR. SE SPEED 5-10 Saturday afternoon
Remaining at: DIR. S SPEED 5-10 Saturday night
EXTENDED OCEAN CONDITION OUTLOOK:
Increasing southerly winds are forecast on Tuesday into next weekend.
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