Banzai Pipeline and Backdoor surf break

Banzai Pipeline and Backdoor surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 pm Tuesday 28 Oct 2025 HST
Forecast update in hr  min  s Forecast update imminent
Banzai Pipeline and Backdoor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Banzai Pipeline and Backdoor sea temperature is
26.6° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Banzai Pipeline and Backdoor this week:

The surf forecast for Banzai Pipeline and Backdoor over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Oct 28) at 11PM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.3m and 15s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Banzai Pipeline and Backdoor in the next 12 days are 2.5m 16s and forecast to arrive on Saturday (Nov 01) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Wednesday (Oct 29) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 28th Oct)3ft (0.9m) 10s
Best Surf 2AM (Sun 2nd Nov)7.5ft (2.3m) 14s
Most Powerful 8PM (Sat 1st Nov)8ft (2.5m) 16s

Table - best surf conditions forecast for Banzai Pipeline and Backdoor over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Thu night. Warm (max 26°C on Wed morning, min 24°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Sat afternoon. Warm (max 26°C on Sat morning, min 23°C on Sun night). Winds increasing (light winds from the NE on Sat night, fresh winds from the NE by Sun night).

Wednesday
29
Thursday
30
Friday
31
Saturday
01
Sunday
02
Monday
03
Tue
04
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
1
1
1
0
0
1
1
1
2
3
3
4
2
2
2
3
2
4
4
3
Swell
Height Map
Wave Height (m) & direction (?)
1
NNW
1.4
NNW
1.3
NNW
1.2
N
1
N
0.9
N
0.7
NW
1.1
NW
1.1
NW
1.5
NNW
2.3
NNW
2.5
NNW
2.3
NNW
1.7
NNW
2.1
NNW
3
NNW
3
N
3
N
2.5
NNW
2.5
NNW
2.4
NNW
Period(s) (?)111010999141312151615141313121111121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2303803422511591272113883419362459291321099951497245520322280201017571590
Wind
(km/h)
15
E
20
ENE
20
E
20
E
20
E
20
ENE
20
E
20
ENE
20
ENE
20
ENE
25
ENE
20
ENE
15
NE
30
NE
35
NE
35
NE
30
NE
30
NE
20
NE
20
NE
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
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
/ height (m)
9:32AM
0.64
10:51PM
0.27
10:16AM
0.64
11:34PM
0.35
10:51AM
0.64
12:10AM
0.45
11:23AM
0.61
12:47AM
0.56
11:52AM
0.58
1:26AM
0.67
12:21PM
0.53
2:06AM
0.75
12:47PM
0.48
Low Tide
/ height (m)
10:48PM
0.20
6:53PM
0.25
1:17AM
0.26
6:09PM
0.23
3:39AM
0.30
6:05PM
0.19
5:07AM
0.31
6:14PM
0.14
6:18AM
0.31
6:31PM
0.09
7:22AM
0.32
6:53PM
0.04
8:24AM
0.33
7:19PM
-0.01
Wednesday
29
Thursday
30
Friday
31
Saturday
01
Sunday
02
Monday
03
Tue
04
Sunrise-6:33--6:33--6:35--6:35--6:35--6:35--6:37-
Sunset--5:57--5:57--5:55--5:54--5:54--5:53--5:53
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
thunderstorm
rain showers
clear
clear
light rain
part cloud
part cloud
part cloud
clear
clear
Rain (mm)
------11---11--2-----
Temp. °C252626252626252626252626242525242424232425
Feels °C (?)262525252625252626252626242223202020202123
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Banzai Pipeline and Backdoor Surf forecast

The above surf forecast table for Banzai Pipeline and Backdoor provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Banzai Pipeline and Backdoor can be found by selecting the local surf guide option on the grey menu. Our Banzai Pipeline and Backdoor surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Banzai Pipeline and Backdoor) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Banzai Pipeline and Backdoor may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Banzai Pipeline and Backdoor is 17 km (11 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.

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