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QuikCAST
Surf Forecast - Hawaii

5 Day Surf Forecast

Forecast Updated:
 
Sunday, October 20, 2019 3:40 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

Forecast does NOT account for enhancing bathymetry (i.e the 'reef effect') common at best breaks. For top spots with swell period 14 +secs, multiply surf size X 1.25-1.5 with peaks X 2 (or consider the stated size 'Hawaiian Scale').

Hawaiian North Shore Surf Forecast
(Valid for the North and East Shores of Oahu)
Day Trend Wind
(kts)
Details
(Swell Number, Swell Size & Period, Arrival Time and Profile)
Waves
(Set wave max face height)
Swell Direction
Monday
10/21
Down E 10+ No swell of interest forecast 2 ft or less ---
Tuesday
10/22
Down E 10+ No swell of interest forecast 2 ft or less ---
Wednesday
10/23
Down E 10+ No swell of interest forecast 2 ft or less ---
Thursday
10/24
Up some E 5+ Possible Japan swell building to 2.6 ft @ 12-13 secs 3.0 ft 320 degrees
Friday
10/25
Up some E 10 Japan swell building to 4.6 ft @ 11 secs 5.0 ft 325 degrees
Extended
Outlook
Up some maybe --- A weak gale is to build off Japan tracking quickly east to the dateline Sun PM through late Mon (10/21) with seas 18-20 ft aimed somewhat at Hawaii. Possible swell arrival on Thurs (10/24). Longer term the models suggest a storm building over the North Dateline region on Thurs-Sat (10/26) with 44 ft seas aimed east initially then rebuilding with 33 ft seas aimed southeast. And another system is to develop behind tracking east from the Kuril Islands with 31 ft seas.

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Surf Height Animation: Northeast Pacific - Hawaii
Wind Animations:
Northeast Pacific - Hawaii - Hawaii hires
Local Model: Surf - Wind

Hawaiian South Shore Surf Forecast
(Centered on the South Shore of Oahu)
Day Trend Wind
(kts)
Details
(Swell Number, Swell Size & Period, Arrival Time and Profile)
Waves
(Set wave max face height)
Swell Direction
Monday
10/21
Holding E 10+ Central Pacific swell 1.5 ft @ 13-14 secs 2.0 ft 184 degrees
Tuesday
10/22
Down some E 10+ Central Pacific swell fading out from 1.5 ft @ 12-13 secs 1.5-2.0 ft 184 degrees
Wednesday
10/23
Down E 10+ No swell of interest forecast 2 ft or less ---
Thursday
10/24
Down E 5+ No swell of interest forecast 2 ft or less ---
Friday
10/25
Down E 10 No swell of interest forecast 2 ft or less ---
Extended
Outlook
Down --- Down south gale developed Fri-Sat (10/12) with 40 ft seas aimed northeast. Sideband swell has hit and is fading. No other swell producing weather systems are forecast beyond.

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