Pismo Beach Ocean & Surf Report

Diablo Canyon Power Plant - Ocean/Surf Report for 3/31/2015

SWELL:
Arriving from the Northwest:
A prolonged period of gale-force northwesterly winds along the Northern and Central California coastline will produce rough oceanographic conditions this week. Today's 8- to 10-foot northwesterly (305-degree, deep-water) sea and swell (with a 5- to 13-second period) will increase to 9 to 11 feet (with a 5- to 15-second period) Wednesday.

This northwesterly (305-degree, deep-water) sea and swell will decrease to 7- to 9-feet (with a 7- to 13-second period) Thursday, further lowering to 5- to 7-feet (with a 7- to 11- second period) on Friday.

An 8- to 10-foot northwesterly (300-degree, deep-water) sea and swell (with a 5- to 14-second period) is forecast along our coastline Saturday into Sunday, decreasing to 5 to 7 feet (with 5- to 11-second period) Monday into next Tuesday.

Increasing northwesterly swell is expected along our coastline on April 9.

Arriving from the South
Today's 3- to 4-foot Southern Hemisphere (190-degree, deep-water) swell (with a 14- to 16-second period) will gradually decrease on Wednesday.

SEAWATER TEMPERATURE:
Seawater temperatures will range between to 51 and 54 degrees through this morning, decreasing to 49 and 53 degrees by tonight and should remain at this level through Monday. v

SEAWATER VISIBILITY:
Seawater visibility was 5 to 7 feet at the Diablo Canyon Intake.

OUTLOOK for SWELL:
DIR. NW HT. 9-11 PER. 5-15 Wednesday morning
Increasing to: DIR. NW HT. 9-11 PER. 5-15 Wednesday afternoon
Remaining at: DIR. NW HT. 9-11 PER. 5-14 Wednesday night

OUTLOOK for WINDS:
DIR. N SPEED 15-20 + 25 Wednesday morning
Increasing to: DIR. NW SPEED 30-35 + 45 Wednesday afternoon
Decreasing to: DIR. NW SPEED 15-20 + 25 Wednesday night

EXTENDED OCEAN CONDITION OUTLOOK:
A prolonged period gale-force northwesterly winds along the Northern and Central California coastline will produce rough oceanographic conditions through this week.