Waipio Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Friday 17 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)

How big are the waves at Waipio Bay today?

The current surf forecast for Waipio Bay at 11AM is: 1.0m 7s primary swell from a East direction and 0.3m 8s secondary swell from a Northeast direction (forecast issued at 07:00am April 17). An open ocean swell of 0.3m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (17 Apr)3ft (0.9m)7s
Afternoon (17 Apr)4ft (1.2m)7s
Evening (17 Apr)4ft (1.2m)5s

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


Updates in  hr  min  s Forecast update imminent
Friday
17
Saturday
18
Sunday
19
Mon
20
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
E
0.9
E
1
E
1.2
E
1.3
E
1.2
E
1.2
E
1.4
E
1.4
E
1.4
E
1.6
E
1.6
E
1.5
E
1.4
E
1.2
E
1.1
E
1
E
1
E
1.3
E
1.6
E
1.5
E
1.3
E
1.2
E
1.1
E
Period(s) (?)777755558756557777555577
Wave
Graph
(?)Metric surfscale
Energy kJ (?)58781061567160608522221013115812010014211391888714212986150126
Wind
(km/h)
15
E
15
E
20
ENE
20
ENE
20
E
20
E
20
E
20
E
20
E
20
E
20
E
15
E
15
E
15
E
20
E
10
E
10
ESE
20
E
20
E
20
E
20
E
15
E
15
E
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
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
/ height (m)
2:20AM
0.67
3:31PM
0.96
2:53AM
0.61
4:15PM
0.99
3:25AM
0.55
5:03PM
0.98
Low Tide
/ height (m)
8:33AM
0.02
9:53PM
0.29
9:04AM
0.00
10:48PM
0.32
9:38AM
0.01
11:50PM
0.35
Friday
17
Saturday
18
Sunday
19
Mon
20
Sunrise-6:01-------6:01-------6:01------
Sunset----6:40-------6:40-------6:40---
part cloud
clear
clear
part cloud
part cloud
thunderstorm
cloud
cloud
cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
clear
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
cloud
Rain (mm)
-----1------1------111--
Temp. °C232426262524242424242526252424232325262524242323
Feels °C (?)242526272625252524232527262624252426262625262425
  • 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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