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QuikCAST
Surf Forecast - North California

5 Day Surf Forecast

Forecast Updated:
 
Tuesday, July 17, 2018 3:06 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
7/18
Up some W 1-5 early North windswell 4.0 ft @ 8 secs 3.0 ft 310 degrees
Thursday
7/19
Up some S 1-5 early North windswell 5.0 ft @ 9-10 secs
4.5 ft 310 degrees
Friday
7/20
Down some S 5 early North windswell 4.2 ft @ 9 secs 3.5 ft 310 degrees
Saturday
7/21
Down some SW 1-5 early North windswell 3.6 ft @ 9 secs
3.0 ft 310 degrees
Sunday
7/22
Up some W 1-5 early North windswell 3.1 ft @ 9 secs
New Zealand swell 2.5 ft @ 16-17 secs
First hints of Central Pacific swell building to 1.6 ft @ 19-20 secs later
2.5 ft
4.0 ft
3.0 ft
310 degrees
213 degrees
196 degrees
Extended
Outlook
Up some --- Weak local north windswell to start building mid-week fueled by the usual pressure gradient developing over extreme North California with north winds there 25-30 kts. Down south a gale developed under New Zealand on Thurs (7/12) producing 40 ft seas aimed east. Sideband swell is in the water pushing northeast. Of more interest is a gale that started building southeast of New Zealand on Sat-Sun (7/15) with 31 ft seas aimed northeast. That gale dissipated and was followed directly by a stronger system pushing north-northeast late Sun-Wed (7/18) through the Central South Pacific with seas to 39 ft aimed well northeast. So a run of solid southern hemi swell is in the water. Nothing else is forecast to follow.

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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

108746

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