Avalanche surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Friday 29 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Avalanche surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Avalanche sea temperature is
25.1° C
(Which is normal for this time of year)

How big are the waves at Avalanche today (29 May):

  • Morning surf: Morning surf (29 May, local time) - 3.5ft (1.0m), 8s period with NE swell.
  • Afternoon surf: Afternoon surf (29 May, local time) - 3.5ft (1.1m), 10s period with NE swell.
  • Evening surf: Evening surf (29 May, local time) - 3ft (0.9m), 9s period with NE swell.

The current surf forecast for Avalanche at 3PM is: 1.1m 10s primary swell from a Northeast direction and 0.7m 11s secondary swell from a Northwest direction (forecast issued at 07:00am May 29). An open ocean swell of 0.9m 19s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (29 May)3.5ft (1.0m)8s
Afternoon (29 May)3.5ft (1.1m)10s
Evening (29 May)3ft (0.9m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Fri afternoon, min 22°C on Fri night). Wind will be generally light.

Friday
29
Saturday
30
Sunday
31
Mon
1
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
2 AM
Rating
(10 max)
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
NW
11
1
NE
8
1
NE
10
1.1
NE
10
1.1
NE
10
0.9
NE
9
1
NE
8
0.7
NNW
11
0.7
NNW
11
0.9
NE
8
0.7
NNW
10
0.7
NNW
10
0.7
NNW
10
0.7
N
10
0.7
N
10
0.9
N
9
0.9
N
9
0.7
NNE
8
0.6
NNE
8
0.5
NNW
9
0.5
N
8
0.6
N
11
0.6
N
11
0.6
N
10
Wave Graph
Metric surfscale
Energy kJ
189
133
188
204
200
129
138
101
99
93
86
100
100
94
92
133
127
58
48
47
30
85
83
75
Wind (km/h)
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
15
E
15
ENE
15
E
15
ENE
10
ENE
10
E
15
ENE
15
E
10
E
10
E
10
E
5
NE
10
NE
15
NE
15
ENE
15
ENE
15
ENE
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
2:29PM0.52m
1:48AM0.14m
3:01PM0.52m
2:27AM0.12m
3:34PM0.52m
Low Tide
5:49AM-0.04m
8:48PM0.07m
6:17AM-0.04m
9:27PM0.06m
6:47AM-0.03m
10:06PM0.05m
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:09
7:09
7:09
7:10
Temp °C
23
23
24
25
25
23
23
23
22
23
25
25
25
24
23
23
23
23
25
25
25
24
24
23
23
22
22
23
24
22
22
23
22
23
25
26
26
24
23
25
25
24
27
26
25
24
25
24
Swell 1
Height (m)
Direction
Period (s)
1
NE
8
1
NE
8
1
NE
10
0.9
S
20
1
S
19
1
S
19
1
S
18
1
S
18
1
S
18
1
S
17
1
S
17
0.9
SSW
17
0.9
S
16
0.9
SSW
16
0.9
SSW
16
0.9
N
9
0.9
SSW
16
0.9
SSW
15
0.9
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.9
SSW
14
Energy kJ
122
119
188
611
730
700
649
627
613
617
596
459
427
432
421
133
406
395
375
288
284
280
276
346
Swell 2
Height (m)
Direction
Period (s)
0.9
NW
11
0.8
S
20
0.9
S
20
0.7
NW
11
0.7
NW
11
0.7
NNW
11
0.6
NNW
11
0.8
NE
7
0.9
NE
8
0.9
NE
8
0.8
NE
8
0.7
NE
8
0.7
NNW
10
0.7
N
10
0.7
N
10
0.9
SSW
16
0.9
N
9
0.7
NNE
8
0.6
NNE
8
0.5
NNW
9
0.5
N
8
0.6
N
11
0.6
N
11
0.7
S
19
Energy kJ
189
525
624
130
126
107
78
54
93
93
77
64
100
94
92
416
127
58
40
47
30
85
83
365
Swell 3
Height (m)
Direction
Period (s)
0.7
S
21
0.7
NW
11
0.7
NW
11
0.5
S
11
0.5
S
11
0.5
S
11
0.6
S
13
0.7
NNW
11
0.7
NNW
11
0.7
NNW
10
0.7
NNW
10
0.7
NNW
10
0.5
S
12
0.4
ENE
8
0.6
ENE
8
0.4
S
11
0.4
S
11
0.5
NNW
9
0.5
NNW
9
0.5
N
8
0.4
NNW
9
0.4
SSW
20
0.6
S
19
0.6
N
10
Energy kJ
436
133
133
61
60
60
121
101
99
92
86
100
71
22
40
39
36
50
48
31
28
132
273
75
Wind waves
Height (m)
Direction
Period (s)
1.1
E
7
1
E
7
1.1
E
7
1.1
NE
10
1.1
NE
10
0.9
NE
9
1
NE
8
1
E
7
0.8
E
8
0.4
ENE
7
0.5
NNE
8
0.5
NNE
8
0.5
NNE
8
Energy kJ
110
92
117
204
200
129
138
94
72
21
35
33
33
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
6
6
6
6
6
6
6
6
0
0
0
0
0
0
0
0
0
0
0
0
0
6
0
0
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
2
2
2
2
1
1
1
1
2
2
1
1
2
2
2
2
2
2
2
2
3
Best forecast wave conditions in United States
Rating
(10 max)
4
2
2
2
2
2
4
3
3
1
1
3
3
3
4
4
4
2
2
2
2
5
4
3
Header Global
Rating
(10 max)
5
4
5
5
5
5
5
5
6
8
7
7
7
7
6
6
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)
Map placeholder

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