Banzai Pipeline and Backdoor surf break

Banzai Pipeline and Backdoor surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Tuesday 19 May 2026 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
25.4° C
(Which is normal for this time of year)

How big are the waves at Banzai Pipeline and Backdoor today?

The current surf forecast for Banzai Pipeline and Backdoor at 9AM is: 0.6m 11s primary swell from a North-northwest direction (forecast issued at 01:00am May 19). An open ocean swell of 0.4m 14s is not directed at the surf break, a second open ocean swell of 1.6m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (19 May)2ft (0.6m)11s
Afternoon (19 May)2ft (0.6m)11s
Evening (19 May)2ft (0.6m)11s

Table - waves today at Banzai Pipeline and 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 Tue morning, min 23°C on Wed night). Mainly fresh winds.

Tuesday
19
Wednesday
20
Thursday
21
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.4
NW
11
0.5
NW
11
0.6
NNW
11
0.6
NW
11
0.6
NNW
11
0.6
NW
10
0.6
NW
11
0.7
NW
11
0.7
NW
10
0.7
NW
10
0.6
NNW
10
0.4
NNW
11
0.5
NNW
11
0.7
NNW
10
0.6
NNW
11
0.5
NNW
10
0.4
NNW
10
0.4
NNW
10
0.4
NNW
10
0.4
NW
10
0.4
NW
10
0.4
NW
10
0.4
NW
10
0.4
NW
10
Wave Graph
Metric surfscale
Energy kJ
43
59
82
104
82
89
92
115
108
104
67
43
65
97
75
63
41
33
37
24
24
24
23
23
Wind (km/h)
20
E
20
E
20
E
20
E
20
ENE
25
E
25
E
25
ENE
25
ENE
25
ENE
30
E
30
E
30
ENE
30
ENE
30
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
cross-off
cross-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
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:51PM0.81m
6:46PM0.77m
7:41PM0.72m
Low Tide
9:21AM-0.00m
10:03AM0.06m
10:48AM0.14m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:06
7:06
Temp °C
23
23
24
25
25
25
24
24
24
24
24
24
25
24
23
23
23
23
23
24
24
24
23
23
23
23
24
25
25
24
23
23
23
23
23
22
23
22
20
20
20
20
19
20
20
20
19
19
Swell 1
Height (m)
Direction
Period (s)
0.4
NW
11
0.5
NW
11
0.6
NNW
11
0.6
NW
11
0.6
NNW
11
0.6
NW
10
0.6
NW
11
0.7
NW
11
0.7
NW
10
0.7
NW
10
0.6
NNW
10
0.4
NNW
10
0.5
NNW
11
0.7
NNW
10
0.6
NNW
11
0.5
NNW
10
0.4
NNW
10
0.4
NNW
10
0.4
NNW
10
0.4
NW
10
0.4
NW
10
0.4
NW
10
0.4
NW
10
0.4
NW
10
Energy kJ
43
59
82
104
82
89
92
115
108
104
67
38
65
97
75
63
41
33
37
24
24
24
23
23
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
18
0.2
SSW
18
0.3
SW
13
0.2
SSW
16
0.2
SSW
15
0.3
SSW
15
0.4
SW
16
0.4
SW
16
0.4
NNW
11
0.3
SSW
16
0.3
SSW
16
0.2
SSW
13
0.3
NW
9
0.3
NW
9
0.2
WNW
9
0.2
SSW
13
0.2
SSW
14
0.2
SSW
14
0.2
SSW
14
0.2
SSW
15
0.2
SSW
15
Energy kJ
46
47
48
79
30
27
24
21
44
64
64
43
50
50
18
13
12
8
16
20
20
20
22
21
Swell 3
Height (m)
Direction
Period (s)
0.2
NNW
13
0.2
SSW
18
0.4
SW
18
0.3
SW
13
0.3
SW
13
0.2
SSW
18
0.2
SSW
13
0.2
NNW
13
0.1
SW
16
0.1
SW
13
0.3
NNW
12
0.3
SSW
16
0.3
NW
10
0.1
SW
13
0.2
SSW
15
0.2
SSW
14
0.2
SSW
13
0.2
SSW
13
0.2
S
16
0.2
S
16
0.1
S
16
0.2
S
16
0.1
SW
14
0.1
S
13
Energy kJ
17
30
79
28
27
30
17
17
10
7
28
50
14
7
21
20
16
17
20
20
5
19
8
3
Wind waves
Height (m)
Direction
Period (s)
1.6
E
8
1.6
E
8
1.6
E
8
1.7
E
8
1.6
E
8
1.6
E
8
1.7
E
8
1.7
E
8
1.7
E
8
1.7
ENE
8
2
E
8
2.2
E
8
2.3
E
8
2.4
ENE
8
2.3
ENE
8
2.4
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
3
ENE
8
3
ENE
8
Energy kJ
333
333
333
323
308
324
365
365
383
402
526
588
684
748
721
785
812
871
871
893
939
910
1046
1071
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
3
3
1
1
1
1
Distance (km)
0
0
0
0
0
0
3
3
0
3
22
22
24
24
24
24
24
165
166
175
165
196
295
168
Best forecast wave conditions in Oahu
Rating
(10 max)
1
1
1
1
1
1
2
2
1
2
2
2
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
4
3
1
2
4
4
4
3
3
3
3
1
4
3
3
3
4
3
3
1
4
3
4
Header Global
Rating
(10 max)
4
4
4
5
5
5
5
4
4
4
5
5
4
4
5
5
4
4
5
4
5
5
6
7
  • 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

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