Waipio Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Tuesday 12 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 11AM is: 1.6m 6s primary swell from a East direction and 0.6m 12s secondary swell from a North-northwest direction, 0.6m 7s secondary swell from a North direction (forecast issued at 07:00am May 12). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (12 May)4.5ft (1.4m)7s
Afternoon (12 May)5ft (1.6m)7s
Evening (12 May)4.5ft (1.4m)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 Tue morning. Warm (max 25°C on Tue morning, min 23°C on Tue night). Mainly fresh winds.

Tuesday
12
Wednesday
13
Thursday
14
Fri
15
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)
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)
1.1
E
7
1.3
E
7
1.6
E
6
1.6
E
7
1.5
E
7
1.4
E
7
1.5
E
7
1.6
E
7
1.5
E
7
1.6
E
7
1.6
E
7
1.8
E
7
1.8
E
8
1.7
E
8
1.7
E
8
1.6
E
8
1.7
E
8
1.7
E
8
1.7
E
8
1.8
E
8
1.7
E
8
1.7
E
8
1.8
E
8
1.9
E
8
Wave Graph
Metric surfscale
Energy kJ
126
161
187
229
217
200
230
233
220
264
269
348
367
346
355
308
337
337
337
381
374
383
422
458
Wind (km/h)
25
E
25
E
30
E
25
E
30
E
25
E
30
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
20
E
25
E
20
ENE
20
E
20
E
20
E
20
E
20
E
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-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
12:35PM0.69m
11:40PM0.68m
1:17PM0.81m
00:22AM0.64m
1:58PM0.92m
1:04AM0.60m
Low Tide
5:51AM0.17m
6:12PM0.39m
6:19AM0.10m
7:19PM0.37m
6:50AM0.05m
8:18PM0.34m
clear
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
5:46
5:46
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:50
6:50
6:51
6:51
1
1
Temp °C
23
24
25
25
24
23
23
23
23
25
25
25
24
23
23
23
23
24
25
25
25
24
24
23
21
22
23
23
22
21
20
21
21
22
23
24
23
22
21
22
22
23
25
25
25
24
23
23
Swell 1
Height (m)
Direction
Period (s)
0.7
NNW
10
0.5
N
7
0.6
NNW
12
0.8
NNW
11
0.8
NNW
11
0.8
NNW
10
0.8
NNW
10
0.7
NNW
10
0.7
NNW
10
0.5
NNW
10
0.5
NNW
10
0.4
NNW
9
0.4
NW
9
0.5
NNW
9
0.4
NNW
9
0.4
NNW
9
0.5
N
9
0.5
NW
17
0.5
NW
16
0.6
NW
16
0.7
NW
15
0.8
NNW
15
0.9
NW
15
0.9
NNW
14
Energy kJ
97
26
113
143
133
123
116
88
86
55
55
35
22
49
28
27
39
135
132
203
232
283
314
362
Swell 2
Height (m)
Direction
Period (s)
0.5
NNE
6
0.5
NW
11
0.6
N
7
0.6
N
7
0.6
N
7
0.5
N
7
0.5
N
6
0.2
N
13
0.2
N
12
0.2
N
12
0.2
N
12
0.2
N
10
0.3
N
10
0.1
N
12
0.3
NW
9
0.2
NNW
18
0.4
NW
18
0.4
N
8
0.5
N
7
0.4
N
8
0.4
N
8
0.4
N
8
0.4
N
8
0.3
N
8
Energy kJ
17
55
35
34
31
21
21
13
12
11
12
8
17
3
13
31
78
22
22
23
22
22
22
12
Swell 3
Height (m)
Direction
Period (s)
0.3
NNW
14
0.4
NNW
13
0.1
NW
11
0.1
SE
12
0.2
N
13
0.2
N
13
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.2
N
12
0.1
N
20
0.1
NW
19
0.1
NW
18
0.3
NW
9
0.1
NW
9
0.2
NNW
9
0.4
N
9
0.2
NNW
9
0.2
NNW
11
0.2
NNW
11
Energy kJ
36
56
5
5
14
14
5
5
5
5
11
7
14
13
13
3
8
23
7
12
11
Wind waves
Height (m)
Direction
Period (s)
1.1
E
7
1.3
E
7
1.6
E
6
1.6
E
7
1.5
E
7
1.4
E
7
1.5
E
7
1.6
E
7
1.5
E
7
1.6
E
7
1.6
E
7
1.8
E
7
1.8
E
8
1.7
E
8
1.7
E
8
1.6
E
8
1.7
E
8
1.7
E
8
1.7
E
8
1.8
E
8
1.7
E
8
1.7
E
8
1.8
E
8
1.9
E
8
Energy kJ
126
161
187
229
217
200
230
233
220
264
269
348
367
346
355
308
337
337
337
381
374
383
422
458
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
2
2
2
1
1
1
1
2
2
1
2
1
1
1
1
2
Distance (km)
64
61
105
61
105
68
68
65
64
64
68
107
61
61
70
65
68
70
68
71
71
61
61
68
Best forecast wave conditions in Big Island
Rating
(10 max)
2
1
1
1
1
2
2
2
2
1
2
1
2
2
1
2
1
1
1
1
2
Best forecast wave conditions in United States
Rating
(10 max)
3
2
2
2
3
3
2
2
3
2
2
1
1
4
4
4
4
3
3
2
4
4
4
4
Header Global
Rating
(10 max)
8
9
9
9
9
9
9
8
7
9
9
9
9
8
5
5
5
5
5
5
5
5
5
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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