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Pismo Beach » Today » Ocean/Surf Report
Diablo Canyon Power Plant - Ocean/Surf Report for 5/15/2012
SWELL:
Arriving from the Northwest:
Fresh to strong (19- to 31-mph) northwesterly winds
will generate 2- to 4-foot northwesterly (320-degree
shallow-water) seas through Thursday morning.
A 4 to 6 foot northwesterly (315-degree deep-water) sea
and swell (with a 5- to 9-second period) will arrive
along the Pecho Coast on Thursday afternoon, further
building to 6 to 8 feet on Friday. This northwesterly
sea and swell will decrease on Saturday.
This northwesterly sea and swell will become 3 to 4
foot northwesterly (320-degree deep-water) seas on
Sunday through Monday, increasing early next week.
Arriving from the Southern Hemisphere:
Today's 2- to 3-foot Southern Hemisphere (195-degree
deep-water) swell (with a 16- to 18-second period)
will continue at this height but its period will
gradually decrease through Wednesday.
Another low-height and long-period Southern Hemisphere
swell is expected along our coastline Thursday through
Friday.
SEAWATER TEMPERATURE:
Intake Seawater temperatures will range between 52 and 54
degrees through Wednesday, decreasing to 50 to 52 degrees
on Thursday and will remain at this level through Monday.
SEAWATER VISIBILITY:
Seawater visibility was 21 and 24 feet at the Diablo Canyon Intake.
OUTLOOK for WINDS:
DIR. NW SPEED 10-15 Wednesday morning
Increasing to: DIR. NW SPEED 25-30 + 35 Wednesday afternoon
Decreasing to: DIR. NW SPEED 15-20 + 25 Wednesday night
EXTENDED OCEAN CONDITION OUTLOOK:
The afternoon northwesterly winds will further increase to strong to
gale force (25- to 38-mph) levels on Thursday afternoon and will
continue through Monday.









