Banzai Pipeline and Backdoor Surf Break

Lat Long: 21.65° N 158.07° W

Banzai Pipeline and Backdoor 48 hour detailed Surf Forecast

Issued: 1 am 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Banzai Pipeline and Backdoor sea temperature is
26.8°C
0.1° 

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


How big are the waves at Banzai Pipeline and Backdoor today (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 2.5ft (0.7m), 11s period with NW swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 4.5ft (1.3m), 10s period with NW swell.
  • Evening surf: Evening surf (09 Sep, local time) - 3.5ft (1.1m), 9s period with NW swell.

The current surf forecast for Banzai Pipeline and Backdoor at 6AM is: 0.8m 8s primary swell from a Northwest direction (forecast issued at 01:00am September 09). An open ocean swell of 1.3m 10s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (09 Sep)2.5ft (0.7m)11s
Afternoon (09 Sep)4.5ft (1.3m)10s
Evening (09 Sep)3.5ft (1.1m)9s

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


Short Range Forecast

Some drizzle, heaviest during Thu afternoon. Warm (max 27°C on Wed morning, min 24°C on Thu night). Wind will be generally light.

Wednesday
9
Thursday
10
Friday
11
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
1
1
2
2
2
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
NW
8
0.8
NW
8
0.7
NW
11
1.2
NW
10
1.3
NW
10
1.2
NW
10
1.1
NW
9
1
NW
9
0.8
NW
8
0.7
NW
8
0.6
NW
8
0.5
NW
7
0.4
NW
7
0.4
NW
7
0.4
NW
7
0.3
NW
7
0.4
NW
10
1.3
ENE
7
0.5
SW
16
0.7
NNE
8
0.7
NE
8
0.5
SW
15
0.5
SW
15
0.5
SW
15
Wave Graph
Metric surfscale
Energy kJ
80
77
114
290
299
257
212
142
95
60
45
26
18
18
13
8
33
0
127
56
60
110
109
109
Wind (km/h)
10
S
5
S
0
ESE
5
ENE
10
NE
10
ENE
15
E
15
E
15
E
15
E
20
E
20
E
20
E
25
E
20
E
20
E
20
ENE
20
E
20
E
20
ENE
15
ENE
15
ENE
15
E
15
E
Wind State
cross
cross-off
glassy
cross-off
cross-off
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
High Tide
1:11AM0.44m
1:59PM0.75m
1:56AM0.50m
2:23PM0.71m
2:38AM0.55m
2:44PM0.65m
Low Tide
6:59AM0.11m
8:34PM0.21m
7:44AM0.14m
8:50PM0.18m
8:28AM0.19m
9:07PM0.15m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:40
6:39
6:38
 mm
1
Temp °C
25
25
26
27
27
27
27
26
26
25
26
27
27
26
26
25
25
24
25
26
26
26
25
25
Feels °C
28
29
30
30
30
30
30
29
29
27
27
28
28
26
27
26
25
23
25
26
26
27
26
26
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

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