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QuikCAST
Surf Forecast - Hawaii

5 Day Surf Forecast

Forecast Updated:
 
Tuesday, September 18, 2018 3:52 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
Wednesday
9/19
Down E 5+ No swell of interest forecast 2 ft or less ---
Thursday
9/20
Up slightly ESE 10+ East windswell on the east shore 3.6 ft @ 9 secs 2.5-3.0 ft 75 degrees
Friday
9/21
Down some E 15 East windswell on the east shore fading from 3.4 ft @ 8-9 secs 2.5 ft 80 degrees
Saturday
9/22
Down ENE 10+ No swell of interest forecast 2 ft or less ---
Sunday
9/23
Down E 10+ No swell of interest forecast 2 ft or less ---
Extended
Outlook
Down --- High pressure to the north started generating east winds at 15-20 kts about 500 nmiles east of the Islands on Tues (9/18) possibly starting to set up weak east windswell at exposed breaks. Otherwise the North Pacific is asleep with no swell producing fetch forecast for the next week.

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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
Wednesday
9/19
Holding E 5+ New Zealand swell building to 1.6 ft @ 15 secs
2.0-2.5 ft 190 degrees
Thursday
9/20
Down some ESE 10+ New Zealand swell fading from 1.5 ft @ 13-14 secs
2.0 ft 190 degrees
Friday
9/21
Down E 15 No swell of interest forecast
2 ft or less ---
Saturday
9/22
Down ENE 10+ No swell of interest forecast
2 ft or less ---
Sunday
9/23
Down E 10+ No swell of interest forecast
2 ft or less ---
Extended
Outlook
Down --- A gale was tracked east-northeast under New Zealand on Tues (9/11) with 37 ft seas over a small area pushing east-northeast. Small swell arriving on Tues (9/18). Another small system developed in the deep Southwest Pacific Sun-Mon (9/17) with 42 ft seas aimed east. Low odds of small swell radiating northeast. Nothing else real is forecast in the South Pacific.

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