Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 pm Tuesday 31 Mar 2026 HST
Forecast update in hr  min  s Forecast update imminent
Waimanu Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimanu Bay sea temperature is
24.4° C
(Which is normal for this time of year)

How big are the waves at Waimanu Bay today?

The current surf forecast for Waimanu Bay at 8PM is: 2.3m 11s primary swell from a North-northeast direction and 0.1m 12s secondary swell from a Northwest direction (forecast issued at 01:00pm March 31). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (31 Mar)7ft (2.1m)11s
Afternoon (31 Mar)7ft (2.2m)11s
Evening (31 Mar)7ft (2.2m)11s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
0
1
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.2
NNE
2.2
NNE
2.2
NNE
2.3
NNE
2.2
NNE
2.1
NNE
2.1
NNE
2
NNE
1.8
NNE
1.8
NNE
1.8
NNE
1.8
NNE
1.7
NNE
1.7
NNE
1.7
NNE
1.6
NNE
1.6
NE
1.6
NE
1.6
NE
1.6
NE
1.5
NE
1.5
NE
1.4
NE
1.4
NE
Period(s) (?)11111111111111111110101010101010109999988
Wave
Graph
(?)Metric surfscale
Energy kJ (?)119411841176121611441054970873757729661635553553501470452437418380334326279260
Wind
(km/h)
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
20
ENE
20
ENE
20
E
20
ENE
20
ENE
25
ENE
20
E
20
E
20
ENE
20
E
20
E
20
E
20
ENE
15
ENE
20
ENE
20
E
15
E
20
E
20
ENE
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
crosscross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
High Tide
/ height (m)
2:28PM
0.76
2:22AM
0.75
3:02PM
0.81
2:46AM
0.70
3:35PM
0.85
3:09AM
0.64
Low Tide
/ height (m)
8:14AM
0.16
8:26PM
0.23
8:35AM
0.13
9:07PM
0.25
8:56AM
0.12
9:48PM
0.28
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Sunrise-------6:16-------6:15-------6:13
Sunset--6:36-------6:36-------6:37-----
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C232322212121202123232221212121212223222121212021
Feels °C (?)212120181819181920211919191919191922211919201819
  • 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 Waimanu 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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