Waipio Bay surfForecast / HAW – Big Island / USA

information circle16 Day Weather and Surf, issued 7 am Wednesday 22 Apr 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)

Best Forecast Surf Conditions for Waipio Bay this week:

The most powerful waves expected at Waipio Bay in the next 16 days are 1.4m 13s and forecast to arrive on Wednesday (Apr 22) at 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 13s period and expected on Friday (Apr 24) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2PM (Wed 22nd Apr)4.5ft (1.4m) 13s

Table - best surf conditions forecast for Waipio Bay over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Fri night. Warm (max 26°C on Thu afternoon, min 23°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 10mm), heaviest on Sat morning. Warm (max 25°C on Sat morning, min 22°C on Mon night). Wind will be generally light.

Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
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<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
NNE
13
1.4
NNE
12
1.2
NNE
12
1.1
NNE
11
1
NNE
11
0.9
NNE
10
0.8
NNE
10
0.7
NNE
9
0.8
NNE
9
0.9
NNE
8
0.6
NNW
13
1
NNE
8
0.6
NNW
12
1.3
ENE
7
0.6
NNW
11
1.5
ENE
7
1.6
ENE
7
1.4
ENE
7
1.4
ENE
7
1.5
ENE
7
0.6
NNW
15
Wave Graph
Metric surfscale
Energy kJ
663
594
368
270
214
143
107
86
106
125
118
122
98
183
88
228
247
183
186
198
148
Wind (km/h)
10
NE
10
ENE
10
E
10
ENE
10
ENE
10
ESE
15
NE
15
ENE
15
ENE
20
ENE
15
E
20
E
20
ENE
15
ENE
15
E
15
ENE
20
E
15
E
20
E
20
ENE
20
E
on
cross-on
cross-on
on
on
cross
on
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
8:09PM0.85m
7:14AM0.36m
9:23PM0.82m
10:05AM0.40m
10:28PM0.79m
11:37AM0.49m
11:21PM0.76m
12:31PM0.59m
00:02AM0.73m
1:11PM0.69m
00:37AM0.69m
1:46PM0.77m
1:08AM0.65m
Low Tide
11:48AM0.16m
4:36AM0.35m
1:00PM0.24m
5:23AM0.31m
2:47PM0.30m
5:53AM0.26m
4:31PM0.33m
6:18AM0.22m
5:50PM0.34m
6:41AM0.18m
6:53PM0.34m
7:03AM0.15m
7:45PM0.33m
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:56
5:56
5:56
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:42
6:43
6:43
6:43
6:44
6:44
6:44
4
1
2
2
1
2
1
1
4
2
Temp °C
25
25
24
25
26
24
25
25
24
25
24
23
24
24
23
25
25
24
25
24
23
27
28
26
26
28
26
26
27
26
26
25
23
24
24
23
25
26
25
25
24
22
Swell 1
Height (m)
Direction
Period (s)
1.4
NNE
13
1.4
NNE
12
1.2
NNE
12
1.1
NNE
11
1
NNE
11
0.9
NNE
10
0.8
NNE
10
0.7
NNE
9
0.8
NNE
9
0.9
NNE
8
0.9
NNE
8
1
NNE
8
0.9
NNE
7
0.7
NW
12
0.9
NNE
7
0.6
NNW
11
0.6
NNW
11
0.4
NNW
10
0.4
NNW
10
0.4
NW
10
1.1
NE
8
Energy kJ
663
594
368
270
214
143
107
86
106
125
116
122
86
149
88
79
78
42
41
27
143
Swell 2
Height (m)
Direction
Period (s)
0.7
NW
15
0.8
NNW
14
0.8
NNW
13
0.7
NW
13
0.7
NNW
12
0.6
NNW
12
0.4
NNW
12
0.4
WNW
13
0.4
WNW
12
0.4
NW
12
0.6
NNW
13
0.6
NNW
13
0.6
NNW
12
0.2
NNE
11
0.6
NNW
11
0.4
NE
9
0.1
NE
11
0.4
NE
8
0.4
NE
8
0.3
NW
15
0.6
NNW
15
Energy kJ
217
243
222
164
131
94
53
57
50
36
118
113
98
11
87
22
5
18
16
36
148
Swell 3
Height (m)
Direction
Period (s)
0.6
W
14
0.6
W
14
0.6
W
13
0.5
W
13
0.5
W
13
0.5
E
7
0.3
W
12
0.4
NW
11
0.3
ESE
8
0.4
NW
15
0.3
WNW
11
0.3
WNW
11
0.2
W
10
0.2
W
10
0.2
W
10
0.1
NE
12
0.1
W
9
0.2
NNE
10
0.2
NNE
11
0.2
NNE
11
0.4
NW
10
Energy kJ
144
140
130
84
83
27
25
33
11
54
25
23
9
8
7
5
2
11
11
11
25
Wind waves
Height (m)
Direction
Period (s)
0.7
E
8
0.6
E
8
0.7
E
8
0.6
E
8
0.6
E
8
0.7
ENE
7
0.8
NE
4
0.6
ENE
4
0.8
E
4
1
E
4
0.8
E
4
1
E
4
1.3
ENE
7
0.7
E
7
1.5
ENE
7
1.6
ENE
7
1.4
ENE
7
1.4
ENE
7
1.5
ENE
7
0.8
ESE
7
Energy kJ
55
41
55
41
40
41
22
13
18
35
18
36
183
49
228
247
183
186
198
73
Nearest Offshore or Glassy
Rating
(10 max)
3
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
Distance (km)
35
28
28
29
28
28
28
28
28
28
28
28
28
28
70
71
71
61
70
71
61
Best forecast wave conditions in Big Island
Rating
(10 max)
3
2
2
2
2
1
2
2
1
1
1
1
1
1
1
1
1
1
2
1
2
Best forecast wave conditions in United States
Rating
(10 max)
4
4
3
3
2
3
2
2
2
3
3
3
2
3
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
9
5
5
4
5
5
4
5
4
4
6
7
9
5
5
6
6
8
8
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)
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Information about the Waipio Bay Surf forecast

The above surf forecast table for Waipio Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Waipio Bay can be found by selecting the local surf guide option on the grey menu. Our Waipio Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Waipio Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Waipio Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Waipio Bay is 68 km (42 miles) from Hilo. If you plan a vacation in Big Island, look for hotels and other accommodation in Hilo. Hilo has rooms for a wide range of budgets as well as car hire and transport links.

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