Banzai Pipeline and Backdoor Surf Forecast

/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /

USA (1297 breaks) / Lat Long: (21.65° N 158.07° W)

Surf Forecasts:

Banzai Pipeline and Backdoor surfForecast / HAW – Oahu / USA

48hr Weather and Surf, issued 7 pm Tuesday 16 Sep 2025 HST

Forecast update in hr min s Forecast update imminent

Banzai Pipeline and Backdoor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Banzai Pipeline and Backdoor sea temperature is 26.7° C
(Which is normal for this time of year)

How big are the waves at Banzai Pipeline and Backdoor today?

The current surf forecast for Banzai Pipeline and Backdoor at 12AM is: 0.4m 8s primary swell from a North direction (forecast issued at 07:00pm September 16). An open ocean swell of 0.2m 12s is not directed at the surf break, a second open ocean swell of 1.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (17 Sep)	-	-
Afternoon (17 Sep)	1.5ft (0.5m)	8s
Evening (17 Sep)	1.5ft (0.4m)	8s

Table - waves today at Banzai Pipeline and Backdoor. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 16			Wednesday 17								Thursday 18								Friday 19
	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	N	N	N	N	N	N	NNW	NNW	NNW	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N
Period(s) (?)	8	8	8	8	8	8	8	8	9	8	8	8	8	8	8	8	8	7	10	11	11	11	10	10
Wave Graph (?)
kJ (?)	21	21	21	22	22	12	14	14	26	36	49	61	57	55	54	55	55	54	51	56	56	56	104	100
Wind (km/h)	ENE	ENE	E	ENE	ENE	E	E	E	ENE	E	E	E	E	E	E	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)				11:38PM 0.31				12:49PM 0.73				12:28AM 0.38				1:17PM 0.72				1:08AM 0.44				1:41PM 0.70
Low Tide / height (m)			8:02PM 0.27			5:07AM 0.15				7:58PM 0.25				6:03AM 0.15					8:04PM 0.23			6:49AM 0.15

	Tuesday 16			Wednesday 17								Thursday 18								Friday 19
Sunrise	-	-	-	-	-	6:18	-	-	-	-	-	-	-	6:18	-	-	-	-	-	-	-	6:20	-	-
Sunset	6:34	-	-	-	-	-	-	-	6:32	-	-	-	-	-	-	-	6:31	-	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	26	25	25	25	25	25	26	27	26	25	25	25	25	25	26	27	26	25	25	25	25	25	26	27
Feels °C (?)	24	24	24	24	24	25	25	26	25	24	24	24	24	23	25	26	26	24	25	26	25	24	25	27

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for HAW - Oahu

Wind Update The wind is still cross-off at Banzai Pipeline and Backdoor (light winds from the ENE at Wheeler Air Force Base/oahu Airport 21 km from Banzai Pipeline and Backdoor). 0.4m 8s swell from the N to make surfable waves.
1 hour 53 minutes ago Banzai Pipeline and Backdoor

Expand

View all

21 km away, 1 h 53 min ago

11 km/h

ENE

0.0

26.7

Air / Water (°C)

Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Banzai Pipeline and Backdoor surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.