Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 pm 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 2AM is: 0.9m 10s primary swell from a North direction and 0.6m 7s secondary swell from a East direction (forecast issued at 07:00pm March 22). The wind direction is predicted to be glassy and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (23 Mar)2.5ft (0.8m)10s
Afternoon (23 Mar)3ft (0.9m)10s
Evening (23 Mar)2.5ft (0.7m)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
Wednesday
25
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
1
1
1
2
2
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
N
0.9
N
1
N
0.9
N
0.9
N
0.8
N
0.8
N
0.8
N
0.9
N
0.7
N
1.2
NNE
1
N
1.2
N
1.3
NNE
1.2
N
1.3
NNE
1.6
NNE
1.7
NNE
1.9
NNE
1.8
NNE
1.8
NNE
1.7
NNE
1.7
NNE
1.7
NNE
Period(s) (?)1111101010101010101067778888888889
Wave
Graph
(?)Metric surfscale
Energy kJ (?)146184202164162131123123153969689150186163202316373454435457404361453
Wind
(km/h)
10
NNE
10
ENE
10
ESE
5
SE
5
NE
5
NNW
10
NNW
15
N
15
NE
15
ENE
20
E
15
E
15
E
15
E
20
ENE
15
ENE
20
NE
25
ENE
25
ENE
20
E
20
ENE
20
ENE
25
ENE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
crossglassglasscross-
on
cross-
on
cross-
on
oncross-
on
crosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
4:44AM
0.53
7:11PM
0.82
4:57AM
0.47
8:39PM
0.80
Low Tide
/ height (m)
12:32AM
0.42
11:22AM
0.11
2:29AM
0.45
12:10PM
0.15
1:25PM
0.20
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Sunrise-----6:24-------6:22-------6:22--
Sunset6:34-------6:34-------6:34-------
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
clear
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
Rain (mm)
411222222111----11211111
Temp. °C242323242423232423222222222224232322222222222323
Feels °C (?)272625272725242624222222232223232321202121212222
  • 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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