Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 am Sunday 22 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
24.6° 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 6AM is: 1.3m 10s primary swell from a North direction and 0.5m 7s secondary swell from a East direction (forecast issued at 01:00am March 22). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (22 Mar)4ft (1.2m)10s
Afternoon (22 Mar)3ft (0.9m)11s
Evening (22 Mar)3ft (0.9m)10s

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


Updates in  hr  min  s Forecast update imminent
Sunday
22
Monday
23
Tuesday
24
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
3
3
2
2
1
1
2
1
1
0
1
1
0
0
0
0
0
1
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.6
N
1.5
N
1.3
N
1.2
N
1.1
N
0.9
N
0.8
N
0.9
N
1
N
0.9
N
0.8
N
0.8
N
0.8
N
0.8
N
0.8
N
0.8
N
0.8
N
0.9
N
0.9
N
1
N
1.1
N
1.3
N
1.5
N
1.6
N
Period(s) (?)11111110101111111010101010101010991111111188
Wave
Graph
(?)Metric surfscale
Energy kJ (?)621524381302255185146184202164131133125123121125106132189242277382270360
Wind
(km/h)
5
S
0
NE
0
WNW
5
SSW
5
NW
15
WNW
5
E
10
ESE
10
ESE
10
ESE
0
W
5
WNW
10
NNW
10
NNE
10
NE
15
E
15
ESE
15
E
15
E
20
E
20
ENE
20
ENE
20
ENE
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglassoffcross-
on
crossglasscrosscrosscrossglasscrosscross-
on
oncross-
on
cross-
on
crosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
4:20AM
0.60
6:03PM
0.85
4:44AM
0.53
7:11PM
0.82
4:57AM
0.47
Low Tide
/ height (m)
11:23PM
0.35
10:44AM
0.08
12:32AM
0.42
11:22AM
0.11
2:29AM
0.45
12:10PM
0.15
Sunday
22
Monday
23
Tuesday
24
Sunrise---6:24-------6:24-------6:22----
Sunset------6:34-------6:34-------6:34-
thunderstorm
cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
heavy rain
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
Rain (mm)
1-11-5132-1111341--11----
Temp. °C242424242525222223232323242423232222222223242322
Feels °C (?)282828272826252425252626262624232223232223242221
  • 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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