Surf Forecast Hawaii (STORMSURF)

Surf Forecasts and Marine Weather - No Hype - Just the Facts!

Hurricane Erin Provides Hope for the US East Coast! - Video Forecast HERE (8/17/25)

Stormsurf Mobile App

Create Your Own Surf Forecast

Convert from GMT:

to timezone:

7:00

---

QuikCAST
Surf Forecast - Hawaii
5 Day Surf Forecast

Forecast Updated:
Tuesday, August 19, 2025 2:11 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 8/20	Down	E 15	No swell of interest forecast	2 ft or less	---
Thursday 8/21	Down	E 15+	No swell of interest forecast	2 ft or less	---
Friday 8/22	Down	E 15+	No swell of interest forecast	2 ft or less	---
Saturday 8/23	Down	E 15+	No swell of interest forecast	2 ft or less	---
Sunday 8/24	Down	E 15+	No swell of interest forecast	2 ft or less	---
Extended Outlook	Down	---	No swell producing weather systems are forecast.	---	---

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 8/20	Up barely	ENE 15+	New Zealand background swell fading from 1.5 ft @ 12-13 secs Central South Pacific swell building to 1.1 ft @ 15-16 secs later	1.5 ft 1.5 ft	190 degrees 184 degrees
Thursday 8/21	Up some	ENE 15	Central South Pacific swell building to 1.9 ft @ 14-15 secs early	2.5-3.0 ft	184 degrees
Friday 8/22	Holding	ENE 15	Central South Pacific swell holding at 2.0 ft @ 12-13 secs	2.5 ft	184 degrees
Saturday 8/23	Up some	ENE 15	Central South Pacific swell fading from 1.9 ft @ 12 secs New Zealand sideband swell arriving at 0.8 ft @ 18 secs	2.0 ft 1.0-1.5 ft	184 degrees 195 degrees
Sunday 8/24	Holding	ENE 10+	Central South Pacific swell fading from 1.4 ft @ 11-12 secs New Zealand sideband swell holding at 0.8 ft @ 16 secs	1.5 ft 1.0-1.5 ft	184 degrees 195 degrees
Extended Outlook	Up some maybe	---	A weak gale developed under New Zealand Fri (8/8) with seas to 26 ft aimed northeast. Swell fading Wed (8/20). A weak gale developed over the upper reaches of the Central South Pacific on Fri (8/15) with up to 34 ft seas aimed east. Swell arrival on Wed (8/20). A stronger gale developed south of the Tasman Sea Thurs-Fri (8/15) with up to 45 ft seas aimed east-southeast then tracking east into Sun (8/17) with seas fading from 33 ft. Swell arrival on Sat (8/23). Possibly another gale is to develop under New Zealand Thurs (8/21) pushing east with 37 ft seas fading to 26 ft aimed northeast. Remnants of that system to rebuilding in the SE Pacific Sat-Sun ( 8/24) with up to 36 ft seas aimed northeast. After that things go quiet in the Southern Hemi.	---	---

149038