Banzai Pipeline and Backdoor 48 hour detailed Surf Forecast

Lat Long: 21.65° N 158.07° W

Issued: 1 pm 30 Sep 2026 (local time)

Forecast update in hr min

Today's Banzai Pipeline and Backdoor sea temperature is

26.9°C

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

Surf Forecasts:

How big are the waves at Banzai Pipeline and Backdoor today (30 Sep):

Morning surf: Morning surf (30 Sep, local time) - 3.5ft (1.0m), 10s period with WSW swell.
Afternoon surf: Afternoon surf (30 Sep, local time) - 3.5ft (1.0m), 10s period with W swell.
Evening surf: Evening surf (30 Sep, local time) - 2.5ft (0.7m), 9s period with W swell.

The current surf forecast for Banzai Pipeline and Backdoor at 5PM is: 0.9m 10s primary swell from a West-southwest direction (forecast issued at 01:00pm September 30). An open ocean swell of 1.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (30 Sep)	3.5ft (1.0m)	10s
Afternoon (30 Sep)	3.5ft (1.0m)	10s
Evening (30 Sep)	2.5ft (0.7m)	9s

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

	Short Range Forecast Moderate rain (total 11mm), heaviest on Thu afternoon. Warm (max 28°C on Wed afternoon, min 24°C on Fri night). Wind will be generally light.
	Wed 30					Thursday 1								Friday 2
	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	5 PM	8 PM	11 PM
Rating (10 max)	1	1	0	1	0	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	W 10	W 10	WSW 10	W 9	WSW 8	WSW 8	W 8	WSW 8	WSW 8	WSW 8	WSW 8	WSW 8	NNW 10	NNW 10	NNW 10	NNW 10	NNW 9	NNW 9	NNW 9	N 9	N 9
Wave Graph
kJ	200	212	169	78	51	49	30	47	53	53	51	47	56	85	109	105	113	110	110	106	106
Wind (km/h)	SE	SSE	SSE	ESE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	off	off	off	off	off	off	off	off	off	off	off	off	off	off	off	off	off	off
High Tide			2:14PM0.43m					6:48AM0.67m									8:28AM0.67m
Low Tide		12:32PM0.43m			10:11PM0.07m								10:49PM0.09m


	—	—	—	—	—	—	6:22	—	—	—	—	—	—	—	6:22	—	—	—	—	—	—
	—	—	6:21	—	—	—	—	—	—	—	6:20	—	—	—	—	—	—	—	6:19	—	—
mm	—	1	1	1	1	1	—	1	—	1	2	1	—	—	—	—	—	—	—	1	—
Temp °C	28	28	27	26	26	25	25	26	27	27	27	26	25	25	25	25	26	26	26	25	25
Feels °C	29	28	27	28	28	27	27	28	28	28	28	27	26	26	26	26	27	28	28	27	27
Swell 1 Height (m) Direction Period (s)	E 8	E 8	E 8	W 9	WSW 8	E 8	E 14	WSW 8	WSW 8	WSW 8	WSW 8	WSW 8	WSW 8	NNW 10	NNW 10	NNW 10	NNW 9	NNW 9	NNW 9	N 9	N 9
kJ	196	193	164	78	51	164	653	47	53	53	51	47	32	85	109	105	113	110	110	106	106
Swell 2 Height (m) Direction Period (s)	W 10	W 10	WSW 10	E 11	E 14	WSW 8	W 8	E 13	E 13	E 13	E 13	NNW 10	NNW 10	WSW 7	WSW 7	WSW 7	WSW 7	WSW 7	WSW 8	WSW 8	WSW 8
kJ	200	212	169	56	140	49	30	84	84	84	83	37	56	30	29	19	18	18	36	51	51
Swell 3 Height (m) Direction Period (s)	E 14	E 14	E 13	E 14	E 11	E 14	SW 14	SW 14	NW 10	NNW 10	NNW 10	E 12	E 12	E 12	E 12	E 12	E 12	SW 12	SSW 12	E 12	E 11
kJ	253	191	162	91	37	142	51	52	26	39	35	48	45	45	26	44	24	38	29	24	22
Wind waves Height (m) Direction Period (s)	S 6	—	—	E 8	E 8	—	—	E 8	E 6	E 6	E 6	E 8	E 6	E 6	E 6	E 6	E 6	E 6	E 6	E 6	E 6
kJ	6	—	—	169	198	—	—	187	148	127	128	160	89	89	116	124	116	96	96	96	80
Nearest Offshore or Glassy	Pupukea HAW - Oahu	Rocky Point HAW - Oahu	Pupukea HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Log Cabins HAW - Oahu	Log Cabins HAW - Oahu	Chuns Reef HAW - Oahu	Log Cabins HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu
Rating (10 max)	2	2	1	1	1	1	3	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	1	1	1	0	0	0	4	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Best forecast wave conditions in Oahu	Backdoor	Radz	Pipeline	Ranches	Ranches	Pipeline	Chuns Reef	Pupukea	Pipeline	Waimea Bay/Pinballs	Backdoor	Waimea Bay/Pinballs	Ranches	Ranches	Tennis Courts	Ranches	Pipeline	Pipeline	Pipeline	Tennis Courts	Ranches
Rating (10 max)	2	2	2	1	1	2	3	1	1	1	1	1	1	1	1	1	1	2	1	2	1
Best forecast wave conditions in United States	Backdoor HAW - Oahu	Cojo CAL - Santa Barbara	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mavericks CAL - San Mateo	Cojo CAL - Santa Barbara	Pipeline HAW - Oahu	Super Tubes CAL - Ventura	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	The Wedge CAL - Orange County	Super Tubes CAL - Ventura	Pipeline HAW - Oahu	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Boners CAL - San Luis Obispo
Rating (10 max)	2	3	3	3	3	2	3	2	1	1	3	3	3	3	3	2	1	2	2	2	2
Header Global	Fish Boma South Africa	Dunmoran Strand Ireland	Easky Left Ireland	Easky Left Ireland	Easky Left Ireland	Gas Bay Australia	Cobblestones Australia	Cobblestones Australia	Cabo Lastres Spain	Figueira da Foz - Buarcos Portugal	Bolina Portugal	Figueira da Foz - Buarcos Portugal	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Dunedin - Bobs Beach New Zealand	Cobblestones Australia	Cobblestones Australia	Papatowai New Zealand	Papatowai New Zealand	Dinner Plates New Zealand
Rating (10 max)	5	5	9	9	9	7	6	6	5	5	5	5	6	6	5	7	5	5	7	6	5

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

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Banzai Pipeline and Backdoor 48 hour detailed Surf Forecast

How big are the waves at Banzai Pipeline and Backdoor today (30 Sep):

Short Range Forecast

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