Waipio Bay surfForecast / HAW – Big Island / USA

information circle16 Day Weather and Surf, issued 7 pm Saturday 25 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
25.5° 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 1.9m 8s and forecast to arrive on Friday (May 01) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 10s period and expected on Sunday (Apr 26) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8PM (Fri 1st May)6ft (1.9m) 8s

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 2mm), mostly falling on Mon afternoon. Warm (max 25°C on Sun morning, min 22°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 3mm), mostly falling on Tue night. Warm (max 25°C on Fri morning, min 22°C on Tue night). Mainly fresh winds.

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Sat
2
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
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)
1.2
NE
8
1.4
NE
8
1.4
NE
8
1.3
NE
8
1.5
ENE
7
1.4
ENE
7
1.3
ENE
7
1.3
ENE
7
1.8
ENE
7
1.5
ENE
7
1.4
ENE
7
1.5
ENE
7
0.6
NNW
14
1.6
ENE
7
1.4
ENE
7
1.4
ENE
8
1.6
ENE
8
1.9
ENE
8
1.9
ENE
8
1.7
ENE
8
1.7
ENE
8
Wave Graph
Metric surfscale
Energy kJ
187
221
215
210
242
186
154
161
319
237
173
192
138
259
193
215
276
410
432
345
345
Wind (km/h)
15
E
15
ENE
15
ENE
15
E
20
ENE
15
E
20
E
20
ENE
20
E
20
E
15
ENE
20
E
20
E
25
ENE
25
ENE
20
E
30
E
25
E
25
E
25
ENE
25
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-on
cross-on
cross-on
cross-on
cross-on
High Tide
11:21PM0.76m
12:31PM0.59m
00:02AM0.73m
1:11PM0.69m
00:37AM0.69m
1:46PM0.77m
1:08AM0.65m
2:19PM0.85m
1:37AM0.61m
2:50PM0.89m
2:04AM0.57m
3:21PM0.92m
2:31AM0.53m
3:54PM0.93m
Low Tide
6:18AM0.22m
5:50PM0.34m
6:41AM0.18m
6:53PM0.34m
7:03AM0.15m
7:45PM0.33m
7:26AM0.12m
8:32PM0.33m
7:48AM0.09m
9:15PM0.32m
8:12AM0.08m
9:56PM0.33m
8:37AM0.08m
clear
part cloud
part cloud
clear
clear
thunderstorm
clear
clear
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
part cloud
clear
clear
rain showers
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:54
5:54
5:54
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:43
6:44
6:44
6:44
6:45
6:45
6:45
6:45
1
1
2
1
Temp °C
23
25
25
24
25
25
24
25
24
23
24
24
23
24
24
23
25
25
23
24
24
24
25
26
25
25
26
25
25
24
22
24
23
22
23
22
22
22
24
21
23
23
Swell 1
Height (m)
Direction
Period (s)
1.2
NE
8
0.7
NW
12
0.7
NW
12
1.3
NE
8
0.6
NNW
11
0.5
NW
11
0.4
NNW
10
0.4
NNW
10
0.4
NW
10
0.4
NW
13
0.5
NW
14
0.6
NNW
14
0.6
NNW
14
0.7
NW
12
0.8
NNW
12
0.8
NNW
13
0.9
NNW
12
0.8
NNW
12
0.7
NW
16
0.9
NW
15
0.9
NNW
14
Energy kJ
187
149
149
210
79
57
42
42
27
46
93
136
121
159
190
215
230
177
268
309
328
Swell 2
Height (m)
Direction
Period (s)
0.7
NW
13
0.2
W
10
0.2
W
10
0.6
NNW
11
0.4
NE
9
0.4
NNE
8
0.2
NNE
8
0.4
NE
8
0.2
NNW
15
0.4
NW
10
0.4
NE
10
0.4
NE
10
0.5
NE
8
0.4
NNE
9
0.4
NE
8
0.4
NE
9
0.4
NE
9
0.4
NW
19
0.7
NNW
11
0.6
NNW
11
Energy kJ
172
9
8
85
21
28
7
16
21
24
23
23
35
30
16
21
22
126
109
82
Swell 3
Height (m)
Direction
Period (s)
0.3
WNW
11
0.1
N
11
0.1
NE
11
0.2
W
10
0.1
NE
12
0.1
NE
11
0.2
NNE
10
0.1
NW
16
0.1
W
8
0.3
NE
9
0.2
NNW
9
0.1
S
10
0.4
NE
9
0.1
S
10
0.4
NE
10
0.5
NE
9
0.1
NW
20
0.8
NNW
11
Energy kJ
23
2
5
7
5
5
10
10
1
14
8
2
20
2
25
37
15
157
Wind waves
Height (m)
Direction
Period (s)
0.3
ESE
8
1.4
NE
8
1.4
NE
8
0.4
ESE
8
1.5
ENE
7
1.4
ENE
7
1.3
ENE
7
1.3
ENE
7
1.8
ENE
7
1.5
ENE
7
1.4
ENE
7
1.5
ENE
7
1.2
E
7
1.6
ENE
7
1.4
ENE
7
1.4
ENE
8
1.6
ENE
8
1.9
ENE
8
1.9
ENE
8
1.7
ENE
8
1.7
ENE
8
Energy kJ
12
221
215
19
242
186
154
161
319
237
173
192
138
259
193
204
276
410
432
345
345
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
1
1
1
2
1
1
1
2
2
1
1
1
1
1
1
1
Distance (km)
28
28
28
64
68
71
61
71
71
61
71
36
64
71
61
61
61
61
61
28
28
Best forecast wave conditions in Big Island
Rating
(10 max)
2
2
1
2
1
1
1
1
2
2
1
1
2
2
1
1
1
1
2
1
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
1
1
2
1
2
2
2
2
3
2
3
3
3
3
5
3
2
Header Global
Rating
(10 max)
8
7
8
6
5
5
5
5
9
6
9
6
5
5
8
6
5
4
5
4
4
  • 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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