Pismo Beach Ocean & Surf Report

Diablo Canyon Power Plant - Ocean/Surf Report for 10/24/2014

SWELL:
Arriving from the Northwest:
Today's 5- to 7-foot northwesterly (305-degree, deep-water) swell (with a 5- to 13-second period) will decrease to 4 to 6 feet (with a 7- to 12-second period) into Saturday morning.

Combined with this swell, will be 1- to 2-foot southerly seas on Saturday morning.

A 1,007 millibar storm about 800 miles west-northwest of San Luis Obispo will rapidly intensify to 989 millibars as it moves toward Cape Mendocino. An 8- to 10-foot west-northwesterly (290-degree, deep-water) swell (with a 14- to 16-second period) from the storm will arrive along the San Luis Obispo County coastline Saturday afternoon, peaking Sunday morning at 9 to 11 feet (with an 11- to 14-second period).

Moderate gale-force to fresh gale-force (32- to 46-mph) northwesterly winds along the Central California coastline will generate an 8- to 10-foot northwesterly (310-degree, deep- water) sea and swell (with a 5- to 12-second period) Sunday afternoon and night, decreasing to 6 to 8 feet (with a 5- to 11-second period) Monday.

A 4- to 6-foot northwesterly (310-degree, deep-water) sea and swell (with a 5- to 14-second period) is forecast along our coastline Tuesday into Wednesday.

A 3- to 5-foot northwesterly (310-degree, deep-water) swell (with a 7- to 11-second period) Thursday into next Friday.

Tropical storm Ana off the Hawaiian Islands will turn extratropical as it moves toward the Gulf of Alaska, However, it's not expected to strengthen as much as previous models indicated. Saturday.

Arriving from the South
None to report.

SEAWATER TEMPERATURE:
Intake seawater temperatures will range between 57 and 59 degrees through Friday, increasing to 58 and 62 degrees Saturday into Sunday morning.

Intake seawater temperatures will decrease to 55 and 58 degrees on Sunday afternoon and remain at this level through Wednesday.

Increasing seawater temperatures are forecast on Thursday into the following weekend.

SEAWATER VISIBILITY:
Seawater visibility was 9 to 11 feet at the Diablo Canyon Intake.

OUTLOOK for SWELL:
DIR. NW HT. 4-6 PER. 7-12 Saturday morning
Increasing to: DIR. NW HT. 8-10 PER. 14-16 Saturday afternoon
Remaining at: DIR. NW HT. 8-10 PER. 14-16 Saturday night

OUTLOOK for WINDS:
DIR. SE SPEED 15-20 Saturday morning
Decreasing to: DIR. SW SPEED 10-15 Saturday afternoon
Decreasing to: DIR. SW SPEED 5-10 Saturday night

EXTENDED OCEAN CONDITION OUTLOOK:
Little change.