Waipio Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 am Tuesday 21 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
25.2° C
(Which is slightly warmer than usual)

How big are the waves at Waipio Bay today?

The current surf forecast for Waipio Bay at 5AM is: 0.8m 8s primary swell from a East direction and 0.7m 8s secondary swell from a North-northeast direction (forecast issued at 01:00am April 21). The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (21 Apr)2.5ft (0.8m)8s
Afternoon (21 Apr)3ft (0.9m)8s
Evening (21 Apr)2.5ft (0.8m)16s

Table - waves today at Waipio Bay. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Tuesday
21
Wednesday
22
Thursday
23
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
0
1
1
0
1
2
1
2
1
3
2
2
1
1
1
1
1
1
2
1
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.9
E
0.8
E
0.8
E
0.8
E
0.9
NNE
0.9
NNE
0.5
NNE
0.8
NNE
1
NNE
1.1
NNE
1.4
NNE
1.4
NNE
1.4
NNE
1.4
NNE
1.4
NNE
1.3
NNE
1.3
NNE
1.2
NNE
1.2
NNE
1.1
NNE
1.1
NNE
1
NNE
0.9
NNE
0.9
NNE
Period(s) (?)778888161616151414131312121212111111111110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)867072728189151291457485778714663643594485469368337275270222198184
Wind
(km/h)
10
ESE
5
SE
5
S
5
NE
5
NNE
5
NNE
5
ENE
5
ESE
10
E
10
ESE
10
ESE
5
E
10
ENE
10
ENE
10
ENE
15
E
15
E
10
E
10
E
10
E
10
NE
10
NE
10
NE
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrossglassglassonglassglasscross-
on
cross-
on
cross-
on
crosscross-
on
ononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onononcross-
on
High Tide
/ height (m)
4:33AM
0.45
6:58PM
0.90
5:19AM
0.40
8:09PM
0.85
7:14AM
0.36
Low Tide
/ height (m)
1:07AM
0.38
10:58AM
0.09
2:52AM
0.38
11:48AM
0.16
4:36AM
0.35
1:00PM
0.24
Tuesday
21
Wednesday
22
Thursday
23
Sunrise---5:58-------5:58-------5:58----
Sunset------6:42-------6:42-------6:43-
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
Rain (mm)
-------------1----------
Temp. °C242424252525252524242424262525242423232425252523
Feels °C (?)272727292829292927262727292827262625252627272725
  • 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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waipio Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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