Waipio Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 09 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
25.6° C
(Which is slightly warmer than usual)

How big are the waves at Waipio Bay today?

The current surf forecast for Waipio Bay at 10PM is: 1.0m 8s primary swell from a East direction and 0.6m 7s secondary swell from a North direction, 0.5m 11s secondary swell from a Northwest direction (forecast issued at 01:00pm May 09). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (09 May)2.5ft (0.8m)12s
Afternoon (09 May)2.5ft (0.8m)11s
Evening (09 May)2.5ft (0.8m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 26°C on Sat afternoon, min 22°C on Mon night). Mainly fresh winds.

Sat
9
Sunday
10
Monday
11
Tue
12
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
5 AM
8 AM
Rating
(10 max)
0
0
0
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
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
NNW
11
0.8
NNW
11
0.8
NNW
11
0.8
NNW
11
1
E
8
1
E
8
1
E
8
1.1
E
8
1.1
E
8
1.2
E
8
0.8
NNW
11
0.8
NNW
10
0.9
NNW
10
1.2
E
8
1.2
E
7
1.1
E
8
1.1
E
8
0.9
NNW
12
0.8
NNW
11
0.8
NNW
11
1.2
E
8
1.1
E
8
1.2
E
8
1.2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
163
154
133
130
124
130
133
157
157
182
149
125
187
160
150
139
148
237
157
153
181
148
168
160
Wind (km/h)
20
E
20
ENE
20
E
20
E
20
E
20
E
25
E
25
E
25
ENE
25
ENE
25
ENE
25
E
25
E
25
E
25
E
25
E
25
ENE
30
ENE
30
ENE
30
E
25
E
25
E
25
E
25
E
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
8:44AM0.39m
9:16PM0.75m
10:44AM0.46m
10:08PM0.73m
11:48AM0.57m
10:55PM0.71m
Low Tide
1:14PM0.32m
5:01AM0.28m
3:09PM0.38m
5:25AM0.23m
4:52PM0.40m
5:51AM0.17m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:47
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:49
6:49
6:49
6:50
Temp °C
25
26
24
24
23
23
23
24
25
25
24
24
23
23
23
24
25
25
24
23
23
23
22
23
25
26
24
24
22
21
21
22
23
23
22
23
22
22
22
22
23
23
22
21
21
20
20
21
Swell 1
Height (m)
Direction
Period (s)
0.8
NNW
11
0.8
NNW
11
0.8
NNW
11
0.8
NNW
11
0.6
N
7
0.6
N
7
0.6
N
7
0.6
N
7
0.7
NNW
11
0.8
NNW
11
0.8
NNW
11
0.8
NNW
10
0.9
NNW
10
0.9
NNW
10
0.8
NNW
10
0.8
NNW
10
0.8
NNW
10
0.9
NNW
12
0.8
NNW
11
0.8
NNW
11
0.7
NNW
11
0.7
NNW
10
0.7
NNW
10
0.7
NNW
11
Energy kJ
163
154
133
130
32
32
33
32
113
140
135
125
187
152
139
139
131
237
135
130
99
97
97
99
Swell 2
Height (m)
Direction
Period (s)
0.2
NNE
8
0.1
N
10
0.1
NE
8
0.1
NE
8
0.5
NW
11
0.5
NW
11
0.6
NNW
11
0.6
NNW
12
0.6
N
7
0.6
N
6
0.5
N
6
0.5
N
6
0.3
NW
13
0.2
NNW
13
0.4
NNW
12
0.4
NW
12
0.4
NW
12
0.1
SE
12
0.2
NNE
6
0.4
NNE
6
0.1
N
15
0.4
NNE
5
0.3
NNW
14
0.4
NNW
13
Energy kJ
7
2
3
3
56
57
87
93
31
28
19
19
28
18
60
38
51
6
4
12
4
11
36
56
Swell 3
Height (m)
Direction
Period (s)
0.1
N
10
0.1
N
10
0.1
N
9
0.1
N
9
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NW
15
0.1
NW
15
0.2
NNW
14
0.1
N
9
0.1
N
8
0.1
SE
13
0.1
SE
13
0.1
SE
12
0.1
SE
12
0.2
N
14
Energy kJ
2
2
2
2
3
3
3
3
3
8
8
19
1
1
7
7
6
6
16
Wind waves
Height (m)
Direction
Period (s)
0.9
E
8
1.1
E
4
1.2
E
4
1.1
E
5
1
E
8
1
E
8
1
E
8
1.1
E
8
1.1
E
8
1.2
E
8
1.1
E
8
1
E
8
1.1
E
8
1.2
E
8
1.2
E
7
1.1
E
8
1.1
E
8
1.1
E
8
1.1
E
8
1.1
E
8
1.2
E
8
1.1
E
8
1.2
E
8
1.2
ENE
7
Energy kJ
103
42
57
51
124
130
133
157
157
182
149
119
141
160
150
137
148
152
157
153
181
148
168
160
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
105
107
105
61
64
61
68
73
71
71
61
73
61
68
68
68
105
105
68
68
61
64
68
70
Best forecast wave conditions in Big Island
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
3
3
4
4
2
2
2
2
4
3
3
3
3
3
2
3
3
3
3
3
3
2
Header Global
Rating
(10 max)
4
4
4
4
5
9
9
8
6
9
5
5
4
5
4
8
9
6
9
9
9
9
9
9
  • 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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