Backdoor Surf Forecast

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

USA (1297 breaks) / Lat Long: (21.67° N 158.05° W)

Surf Forecasts:

Backdoor surfForecast / HAW – Oahu / USA

48hr Weather and Surf, issued 1 am Monday 01 Jun 2026 HST

Forecast update in hr min s Forecast update imminent

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

Today's Backdoor sea temperature is 25.0° C
(Which is slightly cooler than normal)

How big are the waves at Backdoor today (01 Jun):

Morning surf: Morning surf (01 Jun, local time) - 2ft (0.6m), 10s period with NNW swell.
Afternoon surf: Afternoon surf (01 Jun, local time) - 1.5ft (0.5m), 10s period with N swell.
Evening surf: Evening surf (01 Jun, local time) - 1.5ft (0.5m), 9s period with N swell.

The current surf forecast for Backdoor at 9AM is: 0.6m 10s primary swell from a North-northwest direction and 0.5m 7s secondary swell from a Northeast direction (forecast issued at 01:00am June 01). An open ocean swell of 1.1m 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 (01 Jun)	2ft (0.6m)	10s
Afternoon (01 Jun)	1.5ft (0.5m)	10s
Evening (01 Jun)	1.5ft (0.5m)	9s

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

Updates in hr min s Forecast update imminent

	Short Range Forecast Mostly dry. Warm (max 25°C on Mon afternoon, min 23°C on Mon morning). Mainly fresh winds.
	Monday 1								Tuesday 2								Wednesday 3
	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	5 PM	8 PM	11 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 Period (s)	NNW 10	N 10	NNW 10	NNW 10	N 10	NNW 9	N 9	NNW 9	N 9	NNW 9	NNW 13	NNW 12	NNW 12	NNW 11	NNW 11	NNW 10	NNW 10	NNW 10	NNW 10	NNW 9	NNW 9	NNW 9	NNW 9	NNW 8
Wave Graph
kJ	80	71	75	75	47	49	42	46	41	26	55	115	142	202	194	149	140	137	103	88	65	65	66	40
Wind (km/h)	ENE	ENE	E	E	ENE	ENE	ENE	ENE	ENE	ENE	E	ENE	ENE	ENE	E	E	E	E	E	E	E	E	E	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	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	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide	00:52AM0.35m					4:17PM0.75m								4:54PM0.74m									5:32PM0.72m
Low Tide	11:33PM0.35m			8:07AM0.04m								8:37AM0.05m								9:08AM0.07m


	—	5:48	—	—	—	—	—	—	—	5:48	—	—	—	—	—	—	—	5:48	—	—	—	—	—	—
	—	—	—	—	—	7:10	—	—	—	—	—	—	—	7:10	—	—	—	—	—	—	—	7:10	—	—
mm	2	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	23	23	23	24	25	24	24	23	23	23	24	24	25	25	24	24	24	24	24	25	25	24	23	23
Feels °C	23	23	22	23	25	23	24	23	23	23	24	23	24	25	24	24	25	24	23	24	24	22	21	21
Swell 1 Height (m) Direction Period (s)	ESE 8	N 10	NNW 10	NNW 10	N 10	NNW 9	N 9	NNW 9	N 9	ESE 8	NNW 9	NNW 12	NNW 12	NNW 11	NNW 11	NNW 10	NNW 10	NNW 10	NNW 10	NNW 9	NNW 9	NNW 9	NNW 9	NNW 8
kJ	65	71	75	75	47	49	42	46	41	21	26	115	142	202	194	149	140	137	103	88	65	65	66	40
Swell 2 Height (m) Direction Period (s)	NNW 10	NNE 8	NE 7	NNE 7	SSW 18	SSW 18	SSW 18	SSW 17	SSW 16	NNW 9	NNW 13	SSW 16	SSW 16	SSW 16	S 17	SSW 15	SSW 15	SSW 15	SSW 15	S 16	S 16	S 16	S 16	SSW 16
kJ	80	11	27	10	62	61	61	58	53	26	55	86	50	84	144	76	72	72	75	139	129	129	127	83
Swell 3 Height (m) Direction Period (s)	NNE 8	SSW 14	NNE 7	SSW 14	NNE 7	NNE 7	NNE 7	NNE 7	NNW 13	SSW 16	ESE 8	NNW 9	SSW 19	SSW 19	S 10	SSW 18	SSW 18	SSW 18	SSW 18	—	—	—	N 11	NNW 10
kJ	19	41	11	40	9	9	5	5	16	87	22	26	73	72	2	63	103	103	61	—	—	—	22	20
Wind waves Height (m) Direction Period (s)	ENE 7	ENE 8	E 8	E 8	E 8	E 8	E 7	E 7	E 6	ENE 6	ENE 6	ENE 6	ENE 6	ENE 6	ENE 6	E 6	E 6	E 6	E 7	E 7	E 7	E 7	E 7	E 7
kJ	90	173	157	168	163	163	159	127	98	112	115	134	130	130	155	176	178	206	254	294	262	232	199	250
Nearest Offshore or Glassy	Yokohama Bay HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Yokohama Bay HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Yokohama Bay HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Off the Wall/Insanities HAW - Oahu	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	Aligator Rock HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Yokohama Bay HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Yokohama Bay HAW - Oahu
Rating (10 max)	2	1	1	1	1	1	3	1	1	2	1	1	1	2	1	1	1	1	1	1	1	1	1	3
Distance (km)	24	2	2	2	2	2	24	2	2	24	2	2	2	2	2	2	2	2	2	5	2	24	2	24
Best forecast wave conditions in Oahu	Abalolo Reef	Ranches	Ranches	Ranches	Ranches	Ranches	Bomboras	Off the Wall/Insanities	Off the Wall/Insanities	Tracks (Nanakuli)	Off the Wall/Insanities	Ranches	Ranches	Off the Wall/Insanities	Ranches	Ranches	Tennis Courts	Ranches	Ranches	Ranches	Ranches	Ranches	Ranches	Maili Point
Rating (10 max)	3	1	1	1	1	1	3	1	1	4	1	1	1	2	1	1	4	1	1	1	1	1	1	3
Best forecast wave conditions in United States	Boners CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Super Tubes CAL - Ventura	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Waiaha Rivermouth / Honls HAW - Big Island	Magics HAW - Big Island	Ranches HAW - Oahu	Ranches HAW - Oahu	Trestles (Lowers) CAL - Orange County	Mouse Rock CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Waiaha Rivermouth / Honls HAW - Big Island	Ranches HAW - Oahu	Super Tubes CAL - Ventura	Super Tubes CAL - Ventura	Ranches HAW - Oahu	El Capitan CAL - Santa Barbara
Rating (10 max)	4	4	1	1	1	2	4	4	3	4	4	1	1	3	4	4	4	4	4	1	2	2	1	4
Header Global	Ahijedero Mexico	Fairway Reef New Zealand	Taupo Bay New Zealand	Taupo Bay New Zealand	Taupo Bay New Zealand	Cabo Blanco Costa Rica	Ahijedero Mexico	Ahijedero Mexico	Tahai Chile	Ahijedero Mexico	Viri Inga O Tuki Chile	Viri Inga O Tuki Chile	Kaifu Rivermouth Japan	Papa Tangaroa Chile	Arataki New Zealand	Ahijedero Mexico	Lebu Chile	Buchupureo Chile	Gas Bay Australia	Cobblestones Australia	Barbel Point South Africa	Cobblestones Australia	Teniente (Lieutenant) Chile	Bayobar - Punta Tur Peru
Rating (10 max)	4	7	9	5	5	4	4	4	6	4	5	5	5	5	4	4	5	5	5	5	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)

Latest Updates

Ben Mondy

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Backdoor Surf Forecast

Backdoor surfForecast / HAW – Oahu / USA

How big are the waves at Backdoor today (01 Jun):

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