Waipio Bay surfForecast / HAW – Big Island / USA

information circle16 Day Weather and Surf, issued 1 am Saturday 23 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
25.8° 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 2.2m 8s and forecast to arrive on Saturday (May 23) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2PM (Sat 23rd May)7ft (2.2m) 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 3mm), mostly falling on Mon afternoon. Warm (max 24°C on Sat morning, min 22°C on Sat night). Mainly fresh winds.

Days 4-6 Weather Summary

Some drizzle, heaviest during Wed morning. Warm (max 25°C on Tue morning, min 22°C on Tue night). Mainly fresh winds.

Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
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
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
ENE
8
2.1
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.7
NE
8
1.7
ENE
8
1.6
NE
7
1.7
ENE
7
1.6
ENE
7
1.6
ENE
7
1.9
ENE
8
1.7
ENE
8
0.6
NW
14
1.2
E
7
1.4
ENE
7
1.4
ENE
7
1.5
ENE
8
1.5
ENE
8
1.1
E
8
Wave Graph
Metric surfscale
Energy kJ
630
649
534
534
490
456
371
322
262
302
264
256
389
336
150
156
208
208
244
257
161
Wind (km/h)
35
ENE
30
ENE
25
E
25
ENE
25
ENE
20
E
30
ENE
30
ENE
25
E
30
ENE
25
ENE
20
E
25
E
25
ENE
15
E
20
ENE
20
E
20
E
20
E
20
ENE
15
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
High Tide
9:55AM0.45m
9:17PM0.74m
11:27AM0.55m
10:08PM0.68m
12:22PM0.66m
10:55PM0.62m
1:02PM0.75m
11:38PM0.57m
1:36PM0.83m
00:18AM0.54m
2:07PM0.89m
00:56AM0.51m
2:38PM0.92m
1:31AM0.49m
Low Tide
2:11PM0.37m
4:45AM0.23m
4:07PM0.43m
5:18AM0.19m
5:47PM0.45m
5:47AM0.16m
7:02PM0.43m
6:14AM0.13m
7:59PM0.40m
6:43AM0.10m
8:45PM0.37m
7:12AM0.08m
9:24PM0.35m
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
rain showers
rain showers
clear
clear
clear
rain showers
part cloud
clear
clear
cloud
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:43
5:41
5:41
5:41
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:53
6:54
6:54
6:54
6:55
6:55
6:57
1
2
1
Temp °C
24
23
22
24
24
23
24
24
23
25
25
23
24
24
23
25
24
23
25
25
24
20
20
19
21
22
21
21
21
22
22
22
21
22
23
22
24
24
22
23
23
24
Swell 1
Height (m)
Direction
Period (s)
0.4
NW
11
2.1
NE
8
0.6
NNW
15
0.6
NNW
13
0.6
NNW
12
0.5
NW
12
0.4
NNW
11
0.4
NW
11
1.6
NE
7
0.3
NW
10
0.3
NE
9
0.3
NW
18
0.4
NW
16
0.4
NW
15
0.9
NE
8
0.8
NNE
7
0.6
NNW
13
0.6
NNW
12
0.6
NNW
12
0.6
NNW
12
0.9
NE
8
Energy kJ
29
649
142
116
103
69
48
30
262
16
14
50
90
76
82
70
120
103
99
94
101
Swell 2
Height (m)
Direction
Period (s)
0.2
NNW
18
0.4
NNW
16
0.3
NW
10
0.2
NNW
10
0.7
NW
12
0.6
NW
12
0.5
NW
11
0.4
NW
11
0.1
N
13
0.2
NNW
10
0.2
NNW
10
0.2
NNW
10
0.2
NNW
18
0.6
NW
14
0.4
NW
13
0.5
N
12
0.4
NNE
12
0.5
N
11
0.6
N
10
0.5
N
10
Energy kJ
31
102
16
9
159
114
59
29
3
10
10
9
31
116
61
75
45
59
78
50
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
0.4
NW
10
0.4
NW
10
0.1
S
11
0.1
S
11
0.1
NW
20
0.3
NNW
10
0.2
NNW
9
0.2
NNE
14
0.4
NNE
13
0.5
N
12
0.3
NNE
14
0.3
NNE
13
0.6
N
10
0.5
NW
12
Energy kJ
5
28
26
2
2
15
19
8
21
56
76
39
34
80
67
Wind waves
Height (m)
Direction
Period (s)
2.1
ENE
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.7
NE
8
1.7
ENE
8
0.7
ESE
4
1.7
ENE
7
1.6
ENE
7
1.6
ENE
7
1.9
ENE
8
1.7
ENE
8
1.2
E
7
1.2
E
7
1.4
ENE
7
1.4
ENE
7
1.5
ENE
8
1.5
ENE
8
1.1
E
8
Energy kJ
630
534
534
490
456
371
322
13
302
264
256
389
336
150
156
208
208
244
257
161
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
1
1
2
1
2
1
1
2
1
1
1
1
2
2
1
1
Distance (km)
61
61
61
61
70
61
68
71
61
71
61
61
71
61
36
71
71
64
70
71
71
Best forecast wave conditions in Big Island
Rating
(10 max)
1
2
2
1
2
1
1
2
2
2
1
2
2
2
2
1
1
3
2
1
3
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
1
2
3
2
2
3
2
2
5
2
2
5
2
2
4
4
3
4
Header Global
Rating
(10 max)
8
5
5
5
5
5
4
4
5
9
8
6
8
6
7
8
9
7
6
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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