Arriving from the Northwest:
Today's 4- to 6-foot west-northwesterly (285-degree, deep- water) swell (with an 8- to 11-second period) will remain at this height into Monday, but (with a 10- to 16-second period) later on Friday and (an 11- to 14-second period) on Saturday into Monday.
This northwesterly (290-degree, deep-water) swell will decrease to 3 to 5 feet (with an 8- to 11-second period) Tuesday, further lowering to 2 to 4 feet with the same period Wednesday and will remain at this level into next Friday. This will be the lowest height swell of the year.
Arriving from the South
A 1- to 2-foot Southern Hemisphere (225-degree, deep-water) swell (with a 17- to 19-second period) will arrive along our coastline Sunday into Monday.
Seawater temperatures are expected to range between 54 and 58 degrees through today, increasing to 55 to 59 degrees Friday into Sunday.
Seawater visibility was 18 to 20 feet at the Diablo Canyon Intake.
OUTLOOK for SWELL:
DIR. NW HT. 4-6 PER. 8-11 Friday morning
Remaining at: DIR. NW HT. 4-6 PER. 8-16 Friday afternoon
Remaining at: DIR. NW HT. 4-6 PER. 8-16 Friday night
OUTLOOK for WINDS:
DIR. SE SPEED 5-10 Friday morning
Increasing to: DIR. SW SPEED 15-20 Friday afternoon
Decreasing to: DIR. S SPEED 10-15 Friday night
EXTENDED OCEAN CONDITION OUTLOOK:
Increasing northwesterly winds are forecast Monday into next Wednesday.
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