Waipio Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 pm Friday 20 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 11PM is: 1.1m 11s primary swell from a North direction and 0.6m 6s secondary swell from a East direction (forecast issued at 07:00pm March 20). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (20 Mar)--
Afternoon (20 Mar)3.5ft (1.0m)10s
Evening (20 Mar)3.5ft (1.1m)11s

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


Updates in  hr  min  s Forecast update imminent
Friday
20
Saturday
21
Sunday
22
Monday
23
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
2
2
2
2
2
2
2
1
3
3
2
3
2
2
2
1
2
2
2
2
2
2
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1
N
1.1
N
1.1
N
1.1
N
1.1
N
1.1
N
1.2
N
1.3
N
1.5
N
1.6
N
1.6
N
1.6
N
1.4
N
1.3
N
1.2
N
1.1
N
0.8
N
0.8
N
0.8
N
0.9
N
0.9
N
0.9
N
0.9
N
0.8
N
Period(s) (?)101111111111111012121111111010101111111110101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)206282287282277272317352594678621606441360308255144149146182175162159123
Wind
(km/h)
5
WNW
0
SSE
5
S
5
S
5
SSE
5
SW
5
NW
10
NW
0
ENE
5
SW
10
SE
5
SSW
10
SW
5
WSW
10
SSE
10
ESE
5
ESE
5
SE
5
SE
0
S
0
SW
5
ESE
10
E
10
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
glasscross-
off
glasscross-
off
glassglasscrossglassglasscrosscross-
off
offoffcross-
off
cross-
on
glassglassglassglassglassglasscross-
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
Low Tide
/ height (m)
10:28PM
0.29
10:11AM
0.07
11:23PM
0.35
10:44AM
0.08
12:32AM
0.42
11:22AM
0.11
Friday
20
Saturday
21
Sunday
22
Monday
23
Sunrise-----6:24-------6:24-------6:22--
Sunset6:32-------6:32-------6:32-------
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
light rain
cloud
light rain
light rain
light rain
light rain
light rain
Rain (mm)
----11124323531--1-13222
Temp. °C262625252425252525242424232324242424242323232323
Feels °C (?)293129292729282830282727262626252727272626262525
  • 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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