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QuikCAST
Surf Forecast - North California

5 Day Surf Forecast

Forecast Updated:
 
Wednesday, October 15, 2025 1:36 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
Thursday
10/16

Down some

NW 5 early Kuril Island background swell fading from 1.6 ft @ 13-14 secs 2.0 ft 300 degrees
Friday
10/17

Up slightly

NE 1-5 early Local northwest windswell 3.5 ft @ 8 secs early
Secondary Kuril Island background swell 1.8 ft @ 13-14 secs
2.5 ft
2.0-2.5 ft
310 degrees
300 degrees
Saturday
10/18

Up some

NE 1-5 early Northwest Gulf swell building to 4.6 ft @ 15-16 secs later 7.0 ft 308 degrees
Sunday
10/19

Down some

NW 5 early Northwest Gulf swell fading from 4.3 ft @ 14 secs early 6.0 ft 308 degrees
Monday
10/20

Up some

Nw 10 early Possible Gulf swell building to 6.5 ft @ 16 secs early and shadowed in the SF Bay Area 10.0 ft 305 degrees
Extended
Outlook
Up more maybe --- A gale pushed off the Kuril Islands Thurs-Fri (10/10) with up to 37 ft seas aimed east. Energy from extratropical storm Halong is to be imbedded in that both fading on Thurs (10/16). Another gale developed off the Kurils Sat-Sun (10/12) with 23 ft seas aimed east. That swell to add more duration to the previous swell. A gale developed over the Northwestern Gulf Wed (10/15) with 33 ft seas aimed east. Another gale is forecast for the Central Gulf Fri-Sat (10/18) with 32 ft seas aimed east. Of more interest is a storm forecast on the dateline Sat (10/18) with 49 ft seas aimed east tracking to the Northwestern Gulf on Mon (10/20). An improving pattern seems to be setting up.

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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

547416

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