Banzai Pipeline and Backdoor 48 hour detailed Surf Forecast

Lat Long: 21.65° N 158.07° W

Issued: 1 pm 31 Oct 2026 (local time)

Forecast update in hr min

Today's Banzai Pipeline and Backdoor sea temperature is

26.4°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 (31 Oct):

Morning surf: Morning surf (31 Oct, local time) - 4ft (1.2m), 9s period with NNE swell.
Afternoon surf: Afternoon surf (31 Oct, local time) - 3.5ft (1.1m), 9s period with NE swell.
Evening surf: Evening surf (31 Oct, local time) - 4ft (1.2m), 20s period with NW swell.

The current surf forecast for Banzai Pipeline and Backdoor at 10PM is: 1.4m 20s primary swell from a Northwest direction (forecast issued at 01:00pm October 31). An open ocean swell of 0.5m 12s is not directed at the surf break, a second open ocean swell of 1.3m 8s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.

Time (HST) & Date	Wave Height	Wave Period
Morning (31 Oct)	4ft (1.2m)	9s
Afternoon (31 Oct)	3.5ft (1.1m)	9s
Evening (31 Oct)	4ft (1.2m)	20s

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

	Short Range Forecast Moderate rain (total 15mm), heaviest on Sat afternoon. Warm (max 26°C on Sat afternoon, min 23°C on Mon night). Winds increasing (light winds from the E on Sat night, fresh winds from the NE by Sun night).
	Sat 31					Sunday 1								Monday 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	3	4	4	4	4	5	3	3	2	2	2	1	1	2	2	2	2	2	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	NNE 9	NE 9	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	207	174	375	1092	1800	2527	2627	3028	2827	2795	2831	2627	2383	2293	2010	1956	2082	2212	1906	1583	1390
Wind (km/h)	E	E	E	ESE	ESE	ESE	E	NE	NE	NE	NE	NE	NE	NE	NE	NE	ENE	ENE	ENE	ENE	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	off	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
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	2	1	1	1	2	2	—	—	—	—	—	—	—	—	—	—	—	1
Temp °C	26	26	25	25	25	25	24	24	24	25	25	24	24	24	24	24	24	25	24	24	24
Feels °C	28	28	27	27	27	28	27	26	24	25	23	22	22	20	19	20	21	21	20	21	21
Swell 1 Height (m) Direction Period (s)	NNE 9	NE 9	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	207	174	170	1092	1800	2527	2627	3028	2827	2795	2831	2627	2383	2293	2010	1956	2082	2212	1906	1583	1390
Swell 2 Height (m) Direction Period (s)	NW 11	E 12	NW 22	NE 8	E 12	NE 8	NE 8	NE 8	E 12	E 12	E 11	E 11	E 11	E 11	SSW 14	NNW 10	SSW 14	SSW 14	SSW 14	SSW 13	SSW 13
kJ	44	46	375	138	69	112	112	132	68	67	41	38	37	37	41	318	19	18	18	18	18
Swell 3 Height (m) Direction Period (s)	E 12	NW 11	E 12	E 12	NW 11	E 12	E 12	E 12	NW 10	NW 10	SSW 13	SSW 14	SSW 14	SSW 14	E 11	SSW 15	S 12	—	—	S 18	S 18
kJ	47	44	72	72	42	69	44	68	36	26	16	41	41	41	21	21	3	—	—	6	6
Wind waves Height (m) Direction Period (s)	E 6	E 6	E 6	E 5	ENE 8	E 6	E 6	E 5	NE 8	NE 8	NE 8	NE 6	NE 6	NNE 7	NNE 8	NE 8	NE 8	NE 8	NE 8	NE 8	NE 8
kJ	48	48	39	47	237	39	30	21	129	145	161	145	231	374	891	620	825	728	675	634	645
Nearest Offshore or Glassy	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities 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	Lahilahi Point HAW - Oahu	Lahilahi Point HAW - Oahu	Keaulanas HAW - Oahu	Mala wharf HAW - Maui	Keaulanas HAW - Oahu	Infinities HAW - Kaua'i	Infinities HAW - Kaua'i	Infinities HAW - Kaua'i	Ranches HAW - Oahu	Infinities HAW - Kaua'i	Infinities HAW - Kaua'i	Infinities HAW - Kaua'i	Ranches HAW - Oahu
Rating (10 max)	2	2	3	4	4	4	4	5	4	4	4	4	4	1	1	1	4	1	1	1	4
Distance (km)	0	0	0	0	0	0	0	0	26	26	31	165	31	166	166	166	24	166	166	166	24
Best forecast wave conditions in Oahu	Jockos Point	Abalolo Reef	Waimea Bay/Pinballs	Waimea Bay/Pinballs	Ranches	Ranches	Ranches	Waimea Bay/Pinballs	Tracks (Nanakuli)	Tracks (Nanakuli)	Tracks (Nanakuli)		Tracks (Nanakuli)				Ranches				Ranches
Rating (10 max)	2	2	3	4	4	4	4	5	4	4	4		4				4				4
Best forecast wave conditions in United States	Blacks Beach CAL - San Diego County	El Capitan CAL - Santa Barbara	Cortez Bank CAL - San Diego County	Cortez Bank CAL - San Diego County	Ranches HAW - Oahu	Sprecklesville HAW - Maui	Ranches HAW - Oahu	Waimea Bay/Pinballs HAW - Oahu	Lahaina Breakwall/Harbour HAW - Maui	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	Mouse Rock CAL - San Luis Obispo	Lincoln City Nelscott Reef Oregon North	Mavericks CAL - San Mateo	Boners CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo
Rating (10 max)	3	3	4	4	4	4	4	5	4	4	4	4	4	4	4	4	4	5	4	4	4
Header Global	Nunoshima Japan	Niyodo Rivermouth Japan	Niyodo Rivermouth Japan	Afife Portugal	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Chuns and Jocks Reefs United States	Bocock's Bay Namibia	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	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Buchupureo Chile
Rating (10 max)	5	5	5	4	4	4	4	5	4	4	4	4	5	5	5	5	5	5	5	5	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 (31 Oct):

Short Range Forecast

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