Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 pm Sunday 29 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
24.5° 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 2AM is: 2.3m 12s primary swell from a North direction and 0.5m 9s secondary swell from a Northeast direction (forecast issued at 07:00pm March 29). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (30 Mar)7ft (2.2m)12s
Afternoon (30 Mar)7ft (2.2m)12s
Evening (30 Mar)7ft (2.1m)12s

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


Updates in  hr  min  s Forecast update imminent
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
1
1
1
2
1
1
1
1
1
1
1
1
1
0
0
1
1
1
2
2
2
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.9
N
2.2
N
2.2
N
2.3
N
2.3
N
2.2
N
2.2
N
2.2
N
2.2
N
2.1
N
2.1
N
2.1
N
2.2
NNE
2
N
2.2
NNE
2.2
NNE
2.2
NNE
2.2
NNE
2.2
NNE
2.2
NNE
2.1
NNE
2
NNE
2
NNE
1.9
NNE
Period(s) (?)111112121212121212121212111211111111111111111110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8901212127714471455133213461346134612271206118511871079119411841176117610611061972887855749
Wind
(km/h)
15
NE
20
ENE
15
ENE
15
ENE
15
ENE
15
ENE
20
ENE
15
ENE
20
ENE
20
ENE
20
ENE
15
ENE
15
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
15
ENE
10
ENE
5
ENE
15
NE
15
NE
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
on
High Tide
/ height (m)
1:28AM
0.83
1:52PM
0.69
1:56AM
0.79
2:28PM
0.76
2:22AM
0.75
Low Tide
/ height (m)
6:55PM
0.21
7:54AM
0.19
7:42PM
0.21
8:14AM
0.16
8:26PM
0.23
8:35AM
0.13
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Sunrise-----6:18-------6:16-------6:16--
Sunset6:36-------6:36-------6:36-------
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
Rain (mm)
--------------1---------
Temp. °C212121202021212221212020202122222121202020212223
Feels °C (?)191920191920202119201818181920201919181919212122
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest