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QuikCAST
Surf Forecast - North California

5 Day Surf Forecast

Forecast Updated:
 
Tuesday, August 20, 2019 3:00 PM

Surf Scale: 3 ft = waist high, 4 ft = chest high, 5 ft = head high, 10 ft =double overhead
Swell Direction is direction swell is coming from. 90=East, 180=South, 270=West, 360-0 = North

North California Surf Forecast
(Centered on San Francisco)
Day Trend Wind
(kts)
Details
(Swell Number, Swell Size & Period, Arrival Time and Profile)
Waves
(Set wave max face height)
Swell Direction
Wednesday
8/21

Up some

NW 5+ early Possible building Gulf windswell 3.2 ft @ 12 secs late 3.5 ft 290 degrees
Thursday
8/22

Up some

NW 5+ early Gulf windswell fading from 4.0 ft @ 10 secs early with local windswell intermixed
New Zealand swell building to 1.9 ft @ 18 secs later
4.0 ft
3.0-3.5 ft
295 degrees
212 degrees
Friday
8/23

Up some

S 5+ early Local north windswell and fading Gulf windswell fading from 5.0 ft @ 9 secs
New Zealand swell building to 2.2 ft @ 16-17 secs
4.0 ft
3.5 ft
295 degrees
212 degrees
Saturday
8/24

Down some

S 5+ early Local north windswell fading from 4.0 ft @ 9 secs early
New Zealand swell fading from 1.8 ft @ 15-16 secs later
3.5 ft
3.0 ft
310 degrees
212 degrees
Sunday
8/25

Up slightly

SW 1-5 early Background dateline windswell 2.6 ft @ 12 secs
New Zealand swell fading from 1.5 ft @ 14-15 secs
3.0 ft
2.0 ft
290 degrees
212 degrees
Extended
Outlook
Down --- Low pressure built in the Eastern Gulf of Alaska Mon-Tues (8/20) producing a small fetch and 17-18 ft seas over a tiny area aimed east with little windswell expected. And another small gale/low developed on the dateline at the same time with a tiny area of 20 ft seas aimed east. Down south a small gale developed under New Zealand Tues-Wed (8/14) generating 40 ft seas aimed northeast over a small area then pushed east into Fri (8/16) with 30-32 ft seas aimed east. Small swell is radiating northeast. But beyond no swell production is forecast either North or South.

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Surf Height Animation: Northeast Pacific - North CA - Central CA
Wind Animations:
US West Coast - North CA - Central CA
Local Model: Surf - Wind

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