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QuikCAST
Surf Forecast - North California

5 Day Surf Forecast

Forecast Updated:
 
Friday, December 20, 2024 2:49 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
Saturday
12/21

Up more

S 20 early Broad Dateline Gale swell fading from 5.6 ft @ 14 secs early
1st Gulf swell building to 7.6 ft @ 17 secs mid-AM
2nd Gulf swell building to 11.8 ft @ 16 secs at sunset
7.5 ft
12.5 ft
19.0 ft
290 degrees
280 degrees
275 degrees
Sunday
12/22

Down slightly

SE 1-5 early Combo 1st and 2nd Gulf swell fading from 11.6 ft @ 15-16 secs 18.0 ft 275 degrees
Monday
12/23

Up, Up

SE 1-5 early Combo Gulf swell fading from 8.4 ft @ 15 secs early
Possible Strong Dateline Swell #3 building to 13.7 ft @ 20 secs later
12.5 ft
27.0 ft
275 degrees
282-286 degrees
Tuesday
12/24

Down some

S 15+ early Dateline Swell #3 steady at 10.5 ft @ 17-18 secs early 18.5 ft 282-286 degrees
Wednesday
12/25

Down some

NW 10 early Dateline Swell #3 fading from 9.5 ft @ 14-15 secs early 13.5 ft 285 degrees
Extended
Outlook
Up some --- A broad system developed on the dateline tracking east Mon-Wed (12/18) with 29-30 ft seas aimed southeast. Swell fading on Sat (12/21). The first of 2 Gulf gales developed Thurs (12/19) with 31 ft seas targeting mainly Southern CA. The second was right behind Thurs-Fri (12/20) with 38 ft seas aimed east again targeting Southern CA well. And then a monster storm is developing while tracking east from the dateline to the Gulf Fri-Sun (12/22) with up to 59 ft seas aimed east. And yet another is forecast off Japan on Mon (12/23) moving over the dateline Wed (12/25) with 39 ft seas aimed east before fading. Another is to be in the Gulf Tues-Wed (12/25) with up to 38 ft seas aimed east. Another is forecast in the Gulf Fri (12/27) with 35 ft seas aimed east. A massively progressive storm and swell pattern is underway.

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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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