Surf Forecast Hawaii (STORMSURF)

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QuikCAST
Surf Forecast - Hawaii
5 Day Surf Forecast

Forecast Updated:
Sunday, September 7, 2025 4:27 PM

Next Forecast Update: Fri 9/19

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 9/8	Up slightly	E 10	Low odds of NE swell from Kiko 1.5 ft @ 13-14 secs later on the East Shore	2.0 ft	100 degrees
Tuesday 9/9	Up some	NE 10+	Swell from Kiko 5.1 ft @ 11-12 secs later on the East Shore West swell from Japan building to 1.7 ft @ 11-12 secs later	5.5 ft 2.0 ft	80 degrees 320 degrees
Wednesday 9/10	Down some	SE 5-10	Swell from Kiko fading from 3.2 ft @ 9 secs early on the East Shore Japan swell fading from 1.6 ft @ 10 secs early	2.5-3.0 ft 1.5 ft	80 degrees 320 degrees
Thursday 9/11	Down	ESE 10+	No swell of interest forecast	2 ft or less	---
Friday 9/12	Up slightly	ESE 10+	Low odds of West Gulf sideband swell 1.8 ft @ 12-13 secs later	2.0-2.5 ft	340 degrees
Extended Outlook	Up slightly	---	a tiny gale developed off Japan Sat (9/6) with seas to 30 ft and is forecast rapidly moving the the Northwest Gulf Mon-Tues (9/9) with 28-30 ft sea briefly aimed east. Swell arrival on Tues (9/9). The change of season is trying to develop. And Hurricane Kiko is to be just northeast of the Hawaiian Islands Mon-Tues (9/9) possibly generating swell.	---	---

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 9/8	Down some	ENE 10+	New Zealand swell fading from 2.0 ft @ 13-14 secs early	2.5 ft	195 degrees
Tuesday 9/9	Up some	ENE 5	New Zealand swell 1.6 ft @ 14-15 secs later	2.0-2.5 ft	195 degrees
Wednesday 9/10	Up some	ENE 5	New Zealand swell fading from 1.9 ft @ 13-14 secs	2.5 ft	195 degrees
Thursday 9/11	Down some	ENE 10+	New Zealand swell fading from 1.6 ft @ 12-13 secs early	1.5-2.0 ft	195 degrees
Friday 9/12	Up some	ENE 10+	Background swell 1.7 ft @ 13-14 secs later	2.0-2.5 ft	185 degrees
Extended Outlook	Up some	---	A gale has developed tracking east from a point off North New Zealand Sun-Tues (9/2) with 30-32 ft seas aimed northeast. Swell fading some on Mon (9/8). And maybe another is forecast under New Zealand on Sat (9/13) with 28-31 ft sea aimed northeast.	---	---

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