Waipio Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Saturday 21 Mar 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
24.5° C
(Which is normal for this time of year)

How big are the waves at Waipio Bay today?

The current surf forecast for Waipio Bay at 1PM is: 1.3m 10s primary swell from a North direction and 0.5m 7s secondary swell from a East direction (forecast issued at 07:00am March 21). The wind direction is predicted to be glassy and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (21 Mar)4ft (1.2m)11s
Afternoon (21 Mar)4.5ft (1.3m)11s
Evening (21 Mar)5ft (1.6m)11s

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


Updates in  hr  min  s Forecast update imminent
Saturday
21
Sunday
22
Monday
23
Tue
24
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
2
2
2
2
3
2
3
3
2
2
2
2
2
1
1
1
2
2
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
N
1.1
N
1.2
N
1.3
N
1.4
N
1.6
N
1.6
N
1.5
N
1.4
N
1.2
N
1.1
N
0.9
N
0.9
N
0.9
N
1
N
1
N
1
N
1
N
0.8
N
0.8
N
0.8
N
0.8
N
0.8
N
0.9
N
Period(s) (?)1111111012121111111010111111101010101010101099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)277272317352517678621533441302255185185184206202194194123123121116109132
Wind
(km/h)
5
SSE
5
SW
0
NNW
5
NNW
0
SW
5
SE
5
SE
5
W
5
S
5
SE
10
WNW
10
WNW
10
SSE
10
SE
10
ESE
10
SE
5
SSE
0
ENE
5
NNE
10
NE
15
ENE
10
E
10
ESE
10
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
glassglassglassglasscrosscross-
off
glassglassglasscross-
off
cross-
off
cross-
off
crosscross-
on
crossglassglasscross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
3:54AM
0.68
5:09PM
0.87
4:20AM
0.60
6:03PM
0.85
4:44AM
0.53
7:11PM
0.82
Low Tide
/ height (m)
10:11AM
0.07
11:23PM
0.35
10:44AM
0.08
12:32AM
0.42
11:22AM
0.11
Saturday
21
Sunday
22
Monday
23
Tue
24
Sunrise-6:24-------6:24-------6:22------
Sunset----6:32-------6:32-------6:34---
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
light rain
thunderstorm
mod rain
light rain
cloud
part cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
Rain (mm)
-111312-31265----12321--
Temp. °C252526262525242423242423232323232323242323232322
Feels °C (?)292930303029272727282625252525252626262424242523
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest