Banzai Pipeline and Backdoor 48 hour detailed Surf Forecast

Lat Long: 21.65° N 158.07° W

Issued: 7 pm 31 Oct 2026 (local time)

Forecast update in hr min

Today's Banzai Pipeline and Backdoor sea temperature is

26.3°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 (01 Nov):

Morning surf: Morning surf (01 Nov, local time) - 7ft (2.2m), 18s period with NW swell.
Afternoon surf: Afternoon surf (01 Nov, local time) - 7.5ft (2.3m), 16s period with NW swell.
Evening surf: Evening surf (01 Nov, local time) - 7.5ft (2.3m), 16s period with NW swell.

The current surf forecast for Banzai Pipeline and Backdoor at 4AM is: 1.9m 19s primary swell from a Northwest direction and 0.9m 8s secondary swell from a Northeast direction (forecast issued at 07:00pm October 31). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (HST) & Date	Wave Height	Wave Period
Morning (01 Nov)	7ft (2.2m)	18s
Afternoon (01 Nov)	7.5ft (2.3m)	16s
Evening (01 Nov)	7.5ft (2.3m)	16s

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

	Short Range Forecast Light rain (total 9mm), mostly falling on Sat night. Warm (max 25°C on Sat night, min 24°C on Sat night). Winds increasing (light winds from the ESE on Sat night, fresh winds from the NE by Sun night).
	Sat 31			Sunday 1								Monday 2
	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)	3	4	4	4	4	4	3	2	3	2	2	1	1	2	3	2	2	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	NW 22	NW 21	NW 20	NW 19	NW 18	NW 18	NW 17	NW 16	NW 16	NW 16	NW 16	NW 15	NW 15	NW 15	NNW 14	NNW 14	NNW 14	NNW 14	NNW 14
Wave Graph
kJ	375	1092	1800	2527	2627	3028	2827	2795	2831	2627	2383	2293	2010	1956	2412	2212	1906	1583	1390
Wind (km/h)	E	E	E	ESE	E	NE	NE	NE	NE	NE	NE	NE	NE	ENE	ENE	ENE	ENE	ENE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	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	cross-off	cross-off	cross-off
High Tide							8:56AM0.69m				9:57PM0.27m				9:53AM0.66m
Low Tide				11:18PM0.17m						6:03PM0.24m		1:11AM0.26m						5:46PM0.22m


	—	—	—	—	6:35	—	—	—	—	—	—	—	6:35	—	—	—	—	—	—
	5:55	—	—	—	—	—	—	—	5:54	—	—	—	—	—	—	—	5:54	—	—
mm	2	2	1	1	2	1	1	—	—	—	—	1	—	—	—	—	—	—	—
Temp °C	25	25	25	25	24	25	24	25	25	24	24	24	24	24	24	24	24	24	24
Feels °C	27	26	27	27	26	26	24	23	23	21	22	21	20	20	20	20	21	21	21
Swell 1 Height (m) Direction Period (s)	NE 9	NW 21	NW 20	NW 19	NW 18	NW 18	NW 17	NW 16	NW 16	NW 16	NW 16	NW 15	NW 15	NW 15	NNW 14	NNW 14	NNW 14	NNW 14	NNW 14
kJ	170	1092	1800	2527	2627	3028	2827	2795	2831	2627	2383	2293	2010	1956	2412	2212	1906	1583	1390
Swell 2 Height (m) Direction Period (s)	NW 22	NE 8	E 12	NE 8	NE 8	E 12	E 12	E 12	E 11	E 11	E 11	E 11	E 11	NNW 10	SSW 14	SSW 14	SSW 14	SSW 13	SSW 13
kJ	375	138	69	112	112	68	68	67	41	38	37	21	21	179	19	18	18	18	18
Swell 3 Height (m) Direction Period (s)	E 12	E 12	NW 11	E 12	E 12	NW 10	NW 10	NW 10	SSW 13	SSW 14	SSW 14	SSW 14	SSW 14	E 11	S 12	—	—	S 18	S 18
kJ	72	72	42	69	68	36	36	26	16	41	41	41	41	21	3	—	—	6	6
Wind waves Height (m) Direction Period (s)	E 6	E 6	ENE 8	E 5	E 6	NE 8	NE 8	NE 8	NE 8	NE 5	NE 6	NE 7	NNE 8	NNE 8	NE 8	NE 8	NE 8	NE 8	NE 8
kJ	38	39	237	37	29	154	151	145	182	122	205	352	770	714	613	589	565	604	567
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	Yokohama Bay HAW - Oahu	Yokohama Bay HAW - Oahu	Keaulanas HAW - Oahu	Mala wharf HAW - Maui	Infinities HAW - Kaua'i	Mala wharf HAW - Maui	Puamana HAW - Maui	Davidson Point HAW - Kaua'i	Infinities HAW - Kaua'i	Infinities HAW - Kaua'i	Infinities HAW - Kaua'i	Ranches HAW - Oahu	Ranches HAW - Oahu	Mala wharf HAW - Maui
Rating (10 max)	3	4	4	4	4	4	4	4	4	2	4	2	1	1	1	1	4	4	1
Distance (km)	0	0	0	0	0	22	22	31	165	166	165	170	175	166	166	166	24	24	165
Best forecast wave conditions in Oahu	Waimea Bay/Pinballs	Waimea Bay/Pinballs	Ranches	Ranches	Ranches	Ranches	Ranches	Tracks (Nanakuli)									Ranches	Ranches
Rating (10 max)	3	4	4	4	4	4	4	4									4	4
Best forecast wave conditions in United States	Cortez Bank CAL - San Diego County	Cortez Bank CAL - San Diego County	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Ghost Tree CAL - Monterey	Ranches HAW - Oahu	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mavericks CAL - San Mateo	Mouse Rock CAL - San Luis Obispo	Ranches HAW - Oahu	Boners CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Niyodo Rivermouth Japan	Afife Portugal	Ahijedero Mexico	Ahijedero Mexico	Hanalei Bay United States	Malaking Gasang (Baler) Philippines	Trial Harbour Australia	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Lincoln City Nelscott Reef United States	Lebu Chile	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lebu Chile	Lincoln City Nelscott Reef United States	Boners United States	Boners United States
Rating (10 max)	5	4	4	4	5	4	5	4	4	4	5	5	5	5	5	5	5	4	4

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 (01 Nov):

Short Range Forecast

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