Pismo Beach Ocean & Surf Report

Diablo Canyon Power Plant - Ocean/Surf Report for 9/30/2014

SWELL:
Arriving from the Northwest:
This morning's 3- to 5-foot northwesterly (320-degree, deep-water) sea and swell (with a 5- to 9-second period) will increase to 5 to 7 feet (with a 5- to 13-second period) by this afternoon and tonight. This sea and swell will further build to 6 to 8 feet (with a 7- to 11-second period) by Wednesday.

A 4- to 6-foot northwesterly (310-degree, deep-water) swell (with an 8- to 15-second period) will arrive along our coastline Thursday, decreasing to 3 to 5 feet (with an 8- to 14-second period) by Friday.

A 3- to 5-foot northwesterly (310-degree, deep-water) sea and swell (with a 5- to 15-second period) will develop along our coastline Saturday and will remain at this height and period through next Tuesday.

Arriving from the South
A 2- to 3-foot Southern Hemisphere (200-degree, deep-water) swell (with a 19- to 21-second period) will reach our coastline Thursday and will remain at that height but with a gradually shorter period through Saturday.

SEAWATER TEMPERATURE:
Intake Seawater temperatures are forecast to range from 56 and 59 degrees through Wednesday, increasing to 57 to 60 degrees on Thursday into the weekend.

SEAWATER VISIBILITY:
Seawater visibility was 8 to 10 feet at the Diablo Canyon Intake.

OUTLOOK for SWELL:
DIR. NW HT. 6-8 PER. 7-12 Wednesday morning
Remaining at: DIR. NW HT. 6-8 PER. 7-11 Wednesday afternoon
Remaining at: DIR. NW HT. 6-8 PER. 7-11 Wednesday night

OUTLOOK for WINDS:
DIR. NE SPEED 10-15 Wednesday morning
Increasing to: DIR. NW SPEED 20-25 + 30 Wednesday afternoon Decreasing to: DIR. NW SPEED 10-15 Wednesday night

EXTENDED OCEAN CONDITION OUTLOOK:
Increasing swell conditions could develop by mid-October.