Banzai Pipeline and Backdoor 48 hour detailed Surf Forecast

Lat Long: 21.65° N 158.07° W

Issued: 7 am 29 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 (29 Sep):

Morning surf: Morning surf (29 Sep, local time) - 2ft (0.6m), 12s period with SW swell.
Afternoon surf: Afternoon surf (29 Sep, local time) - 2.5ft (0.8m), 10s period with SW swell.
Evening surf: Evening surf (29 Sep, local time) - 2.5ft (0.7m), 10s period with SW swell.

The current surf forecast for Banzai Pipeline and Backdoor at 3PM is: 0.8m 10s primary swell from a Southwest direction and 0.6m 12s secondary swell from a North-northwest direction (forecast issued at 07:00am September 29). An open ocean swell of 1.7m 8s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (HST) & Date	Wave Height	Wave Period
Morning (29 Sep)	2ft (0.6m)	12s
Afternoon (29 Sep)	2.5ft (0.8m)	10s
Evening (29 Sep)	2.5ft (0.7m)	10s

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

	Short Range Forecast Moderate rain (total 12mm), heaviest on Wed afternoon. Warm (max 28°C on Tue afternoon, min 25°C on Tue night). Wind will be generally light.
	Tuesday 29							Wednesday 30								Thursday 1
	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	5 PM	8 PM	11 PM
Rating (10 max)	1	1	2	1	2	1	1	1	2	1	1	0	0	1	1	0	0	0	1	1	1	1	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	NNW 12	NNW 12	SW 11	NNW 12	SW 10	SW 10	NNW 11	WSW 12	WSW 11	WSW 10	WSW 10	W 9	W 9	WSW 9	WSW 9	W 8	W 9	W 9	W 8	W 8	W 8	W 8	NNW 10
Wave Graph
kJ	98	98	147	100	127	100	79	152	210	146	132	81	81	84	61	51	57	56	51	49	48	46	55
Wind (km/h)	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	SE	SE	SE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	off	off	off	off	off	off	off	cross-off	off	off	cross-off	cross-off	cross-off	off	off	off	off	off	off	off	off	off
High Tide	4:35AM0.69m				2:43PM0.46m					5:32AM0.69m			2:14PM0.43m					6:48AM0.67m
Low Tide			10:51AM0.38m				9:39PM0.05m					12:32PM0.43m			10:11PM0.07m								10:49PM0.09m


	6:22	—	—	—	—	—	—	—	6:22	—	—	—	—	—	—	—	6:22	—	—	—	—	—	—
	—	—	—	—	6:21	—	—	—	—	—	—	—	6:21	—	—	—	—	—	—	—	6:20	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	2	1	1	1	1	1	1	—	1	2	1	—
Temp °C	25	26	27	28	27	26	26	25	25	26	27	27	27	26	25	25	25	25	26	27	26	25	25
Feels °C	26	27	27	28	28	27	27	27	27	28	28	28	28	28	27	27	27	26	27	29	27	26	26
Swell 1 Height (m) Direction Period (s)	ENE 8	E 8	SW 11	SW 10	SW 10	E 14	E 14	E 8	E 8	E 8	WSW 10	W 9	E 13	E 8	E 8	E 8	E 14	W 9	W 8	W 8	W 8	W 8	NNW 10
kJ	497	428	147	100	127	183	232	273	233	206	132	81	162	164	169	169	757	56	51	49	48	46	55
Swell 2 Height (m) Direction Period (s)	NNW 12	NNW 12	NW 12	NNW 12	E 14	SW 10	SW 10	E 12	WSW 11	WSW 10	E 14	E 14	W 9	WSW 9	WSW 9	E 14	W 9	E 13	E 13	E 13	E 13	NNW 10	W 8
kJ	98	94	112	93	129	100	73	196	210	146	253	191	81	84	61	142	57	84	84	84	83	37	32
Swell 3 Height (m) Direction Period (s)	SSW 10	SW 12	E 14	E 14	NNW 12	NNW 11	NNW 11	WSW 12	E 12	E 14	NNW 11	NNW 10	SW 6	E 11	E 14	W 8	SW 14	SW 14	NW 10	NNW 10	NNW 10	E 12	E 12
kJ	67	98	92	89	90	82	79	152	196	253	46	42	10	56	140	51	51	52	26	39	35	48	45
Wind waves Height (m) Direction Period (s)	—	—	E 8	E 8	E 8	E 8	E 8	—	S 6	S 6	E 8	E 8	E 8	SSE 6	—	E 8	—	E 8	E 6	E 6	E 7	E 8	E 8
kJ	—	—	428	422	368	326	280	—	7	1	203	223	187	3	—	256	—	169	129	123	156	164	138
Nearest Offshore or Glassy	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	Pupukea HAW - Oahu	Pupukea HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Banzai Pipeline and Backdoor HAW - Oahu	Log Cabins HAW - Oahu	Log Cabins 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
Rating (10 max)	1	1	2	1	2	1	1	1	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	0	0	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0
Best forecast wave conditions in Oahu	Tennis Courts	Ranches	Waimea Bay/Pinballs	Waimea Bay/Pinballs	Pipeline	Pipeline	Pipeline	Pipeline	Pipeline	Pipeline	Pipeline	Pipeline	Pipeline	Pipeline	Pipeline	Pipeline	Ranches	Ranches	Backdoor	Backdoor	Waimea Bay/Pinballs	Ranches	Tennis Courts
Rating (10 max)	3	2	2	1	3	3	2	3	3	1	1	1	1	1	1	2	2	1	1	1	1	1	1
Best forecast wave conditions in United States	Ghost Tree CAL - Monterey	Sprecklesville HAW - Maui	Pier One HAW - Maui	Super Tubes CAL - Ventura	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Kahului Harbor HAW - Maui	Pipeline HAW - Oahu	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Pier One HAW - Maui	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Hilo Breakwall HAW - Big Island	Super Tubes CAL - Ventura	Super Tubes CAL - Ventura	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo
Rating (10 max)	4	3	3	1	3	4	4	4	3	3	2	1	3	3	4	3	3	1	1	1	3	3	3
Header Global	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Fullers United States	Dinner Plates New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Pascuales Mexico	Ouano Lefts New Caledonia	Gerickes Point South Africa	Supertubes Australia	Easky Left Ireland	Easky Left Ireland	Easky Left Ireland	Gas Bay Australia	Cobblestones Australia	Cobblestones Australia	Cavalos de Fao Portugal	Figueira da Foz - Buarcos Portugal	Bolina Portugal	Figueira da Foz - Buarcos Portugal	Nazare Portugal
Rating (10 max)	8	7	7	6	5	5	5	4	5	5	5	8	9	9	9	7	6	6	6	5	5	5	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 (29 Sep):

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