Waipio Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 pm Wednesday 13 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 8PM is: 1.6m 8s primary swell from a East direction and 0.5m 9s secondary swell from a North-northwest direction, 0.1m 12s secondary swell from a North direction (forecast issued at 01:00pm May 13). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (13 May)5ft (1.6m)7s
Afternoon (13 May)5.5ft (1.7m)7s
Evening (13 May)5ft (1.6m)8s

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 8mm), mostly falling on Fri afternoon. Warm (max 26°C on Sat morning, min 23°C on Wed night). Wind will be generally light.

Wed
13
Thursday
14
Friday
15
Sat
16
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
1
1
0
0
0
0
0
0
1
1
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)
1.7
E
7
1.7
E
7
1.6
E
7
1.6
E
8
1.6
E
8
1.6
E
8
1.6
ENE
8
1.6
ENE
7
1.6
ENE
8
1.7
ENE
8
1.8
E
8
1.7
E
8
0.9
NW
15
1.6
E
8
0.9
NNW
14
1.6
E
8
1.9
E
8
2.1
E
8
1.9
E
8
1.8
E
8
1.7
E
8
1.7
E
8
1.7
ENE
8
1.7
ENE
8
Wave Graph
Metric surfscale
Energy kJ
303
311
285
300
300
300
300
292
300
336
377
355
324
362
342
326
443
517
458
422
386
393
402
402
Wind (km/h)
25
E
25
ENE
25
ENE
25
E
25
E
20
E
20
E
25
E
20
ENE
20
E
20
E
15
E
15
E
15
E
15
E
20
E
20
E
15
E
15
E
15
E
15
E
15
ESE
15
ESE
10
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
1:17PM0.81m
00:22AM0.64m
1:58PM0.92m
1:04AM0.60m
2:40PM1.00m
1:46AM0.55m
Low Tide
7:19PM0.37m
6:50AM0.05m
8:18PM0.34m
7:24AM-0.00m
9:14PM0.32m
8:00AM-0.03m
clear
part cloud
part cloud
clear
clear
part cloud
rain showers
clear
part cloud
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:46
5:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:50
6:51
6:51
6:51
1
1
1
1
2
2
Temp °C
26
25
24
23
23
23
23
24
25
25
24
24
24
23
24
24
25
25
25
24
24
24
24
25
24
23
23
22
21
22
23
23
25
25
24
25
26
24
25
24
25
26
26
25
26
25
25
26
Swell 1
Height (m)
Direction
Period (s)
0.5
NNW
10
0.4
NNW
9
0.4
NW
9
0.5
NNW
9
0.4
NNW
9
0.5
N
9
0.5
N
9
0.5
NW
17
0.5
NW
16
0.7
NW
16
0.7
NW
15
0.8
NNW
15
0.9
NW
15
0.9
NNW
14
0.9
NNW
14
0.9
NNW
14
0.9
NW
13
0.9
NW
13
0.8
NNW
13
0.7
NW
12
0.7
NW
12
0.7
NNW
12
0.6
NNW
12
0.6
NNW
12
Energy kJ
55
34
22
48
27
41
39
135
132
258
232
283
314
362
342
318
253
249
212
154
149
127
94
90
Swell 2
Height (m)
Direction
Period (s)
0.2
N
12
0.3
N
10
0.4
N
10
0.1
N
12
0.3
NW
9
0.3
NW
9
0.4
NW
18
0.5
N
8
0.4
N
8
0.5
N
8
0.5
N
8
0.4
N
8
0.4
N
8
0.4
N
8
0.4
N
8
0.3
N
8
0.3
N
8
0.2
N
8
0.2
N
8
0.2
N
8
0.2
N
8
0.2
N
8
0.2
NNW
15
0.2
NNW
15
Energy kJ
12
18
31
3
13
13
78
35
23
37
36
22
22
21
21
12
12
5
5
5
5
5
21
21
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
11
0.1
S
14
0.1
N
20
0.1
NW
19
0.1
NW
18
0.2
NNW
18
0.2
NNW
9
0.2
NNW
9
0.2
NNW
9
0.3
NW
9
0.1
NW
11
0.2
NNW
11
0.4
N
8
0.4
N
8
0.1
N
16
0.2
N
8
0.2
N
8
Energy kJ
5
4
7
14
13
31
8
8
7
12
5
12
22
22
5
5
5
Wind waves
Height (m)
Direction
Period (s)
1.7
E
7
1.7
E
7
1.6
E
7
1.6
E
8
1.6
E
8
1.6
E
8
1.6
ENE
8
1.6
ENE
7
1.6
ENE
8
1.7
ENE
8
1.8
E
8
1.7
E
8
1.6
E
8
1.6
E
8
1.5
E
8
1.6
E
8
1.9
E
8
2.1
E
8
1.9
E
8
1.8
E
8
1.7
E
8
1.7
E
8
1.7
ENE
8
1.7
ENE
8
Energy kJ
303
311
285
300
300
300
300
292
300
336
377
355
324
324
286
326
443
517
458
422
386
393
402
402
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
2
1
2
1
1
2
1
2
1
1
1
1
2
2
1
2
1
1
Distance (km)
105
113
114
68
36
61
64
70
68
61
71
68
65
65
61
61
71
71
68
68
61
65
61
61
Best forecast wave conditions in Big Island
Rating
(10 max)
1
1
2
2
1
2
1
1
2
2
2
2
2
1
1
2
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
1
2
1
4
4
4
4
3
3
3
3
4
4
4
4
3
3
2
2
2
2
5
5
2
Header Global
Rating
(10 max)
9
9
9
5
4
5
4
5
5
4
5
5
5
5
5
5
5
5
5
5
4
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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