Waipio Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 am Monday 04 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Waipio Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waipio Bay sea temperature is
25.3° C
(Which is slightly warmer than usual)

How big are the waves at Waipio Bay today?

The current surf forecast for Waipio Bay at 6AM is: 1.3m 8s primary swell from a East-northeast direction and 0.5m 12s secondary swell from a Northwest direction, 0.7m 8s secondary swell from a East-southeast direction (forecast issued at 01:00am May 04). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (04 May)4.5ft (1.3m)8s
Afternoon (04 May)5.5ft (1.7m)7s
Evening (04 May)5ft (1.5m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Mon afternoon. Warm (max 26°C on Wed afternoon, min 23°C on Mon night). Wind will be generally light.

Monday
4
Tuesday
5
Wednesday
6
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
1
1
1
2
1
0
2
1
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.4
ENE
8
1.3
ENE
8
1.3
ENE
8
1.4
ENE
8
1.7
E
7
1.7
E
7
1.6
E
7
1.5
E
7
1.5
E
7
1.4
E
7
1.3
E
7
1.2
E
7
1.3
E
7
1.3
E
7
1.2
E
8
1.1
E
8
0.9
ESE
8
0.9
E
8
0.6
NNW
11
0.6
NNW
11
1
ESE
9
0.8
E
8
0.6
NNW
10
0.6
NNW
10
Wave Graph
Metric surfscale
Energy kJ
215
207
207
232
320
306
279
243
242
210
177
150
173
173
160
157
107
102
78
78
144
88
68
68
Wind (km/h)
15
E
15
E
15
E
20
ENE
20
E
20
E
20
E
20
E
15
E
15
ESE
10
E
15
E
15
E
15
E
10
ESE
10
ESE
5
SE
0
SSW
5
NNW
10
NNW
5
N
5
NE
10
ENE
10
ENE
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
glassy
glassy
cross-on
glassy
glassy
cross-on
cross-on
High Tide
3:23AM0.47m
5:06PM0.88m
3:47AM0.45m
5:47PM0.85m
4:12AM0.43m
6:34PM0.81m
Low Tide
11:20PM0.35m
9:32AM0.09m
00:08AM0.37m
10:01AM0.12m
1:09AM0.39m
10:33AM0.15m
clear
clear
clear
part cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:46
6:46
6:46
1
Temp °C
23
23
24
25
25
24
24
23
23
23
24
25
25
25
24
24
24
24
24
25
26
26
25
24
24
23
24
25
26
25
25
23
24
24
26
27
27
27
26
26
27
28
27
27
29
30
28
27
Swell 1
Height (m)
Direction
Period (s)
0.5
NW
12
0.5
NW
12
0.5
NW
11
0.5
NW
11
0.4
NW
11
0.4
NW
11
0.5
NW
13
0.6
NW
13
0.6
NW
13
0.6
NW
12
0.7
NW
12
0.7
NW
12
0.7
NW
12
0.7
NW
12
0.6
NW
11
0.6
NW
11
0.9
ESE
8
0.9
E
8
0.7
ESE
8
0.7
ESE
8
0.7
E
8
0.6
NNW
10
0.7
E
8
0.7
E
8
Energy kJ
69
67
59
58
42
30
84
136
128
118
147
144
142
140
104
99
107
102
70
70
68
73
68
68
Swell 2
Height (m)
Direction
Period (s)
0.7
NW
12
0.7
ESE
8
0.6
NW
11
0.1
NW
14
0.3
NW
13
0.4
NW
13
0.1
N
9
0.1
N
8
0.1
N
8
0.1
E
10
0.1
NE
10
0.1
NE
10
0.1
NE
9
0.1
NE
9
0.1
NE
9
0.3
NE
7
0.6
NW
11
0.6
NW
11
0.6
NNW
11
0.6
NNW
11
0.6
NNW
11
0.4
NE
8
0.6
NNW
10
0.6
NNW
10
Energy kJ
139
62
99
7
28
44
1
1
1
2
4
4
3
3
3
7
96
96
78
78
76
23
68
65
Swell 3
Height (m)
Direction
Period (s)
0.7
ESE
8
0.6
NW
12
0.1
N
9
0.1
N
9
0.1
N
8
0.4
NW
13
0.1
E
10
0.1
E
11
0.1
NE
10
0.1
NE
9
0.1
NE
9
0.1
NE
9
0.1
NE
9
0.4
NE
6
0.3
NE
9
0.4
NE
6
0.4
NE
7
0.3
NE
8
0.1
NW
20
0.4
NE
7
0.4
NE
8
Energy kJ
61
110
2
1
1
62
2
2
4
3
3
3
3
14
12
14
11
11
15
17
20
Wind waves
Height (m)
Direction
Period (s)
1.4
ENE
8
1.3
ENE
8
1.3
ENE
8
1.4
ENE
8
1.7
E
7
1.7
E
7
1.6
E
7
1.5
E
7
1.5
E
7
1.4
E
7
1.3
E
7
1.2
E
7
1.3
E
7
1.3
E
7
1.2
E
8
1.1
E
8
1
ESE
9
0.8
E
8
Energy kJ
215
207
207
232
320
306
279
243
242
210
177
150
173
173
160
157
144
88
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2
1
1
1
Distance (km)
64
61
65
71
71
68
68
68
65
65
35
35
71
68
68
65
1
0
0
68
0
0
68
68
Best forecast wave conditions in Big Island
Rating
(10 max)
2
2
2
1
1
2
2
2
2
2
1
1
1
2
1
1
2
2
1
1
2
2
2
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
2
3
3
3
3
3
3
2
3
2
3
3
3
2
2
2
2
1
2
3
Header Global
Rating
(10 max)
5
4
5
5
4
5
5
5
5
5
4
5
5
6
5
5
9
5
9
5
9
5
6
5
  • 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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