Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Wednesday 08 Apr 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
24.8° 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 2PM is: 0.9m 10s primary swell from a North-northeast direction and 0.6m 14s secondary swell from a Northwest direction, 1.3m 6s secondary swell from a East direction (forecast issued at 07:00am April 08). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (08 Apr)3ft (0.9m)11s
Afternoon (08 Apr)3ft (0.9m)10s
Evening (08 Apr)5ft (1.6m)6s

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


Updates in  hr  min  s Forecast update imminent
Wednesday
08
Thursday
09
Friday
10
Sat
11
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
2
2
2
1
1
2
2
3
2
2
2
2
2
2
2
1
0
0
1
2
2
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
0.6
NNE
0.8
NNE
0.9
NNE
0.9
NNE
0.6
NW
1.6
ESE
1.5
ESE
1.5
ESE
0.7
NW
0.6
NW
2
ESE
1.8
ESE
0.6
NW
1.4
ESE
1.3
ESE
1.5
ESE
1.6
ESE
1.6
ESE
1.6
ESE
1.4
E
1.4
E
1.6
E
1.3
ENE
1.5
E
Period(s) (?)11111110146661313661266666777878
Wave
Graph
(?)Metric surfscale
Energy kJ (?)98138170158161216186192163130295254115160139146190178247198200282186284
Wind
(km/h)
5
WNW
0
ENE
10
ENE
15
E
15
E
10
E
10
ESE
5
SSE
0
ENE
5
WSW
10
NW
10
NW
5
NNW
0
NNW
5
ESE
15
ESE
20
ESE
25
ESE
20
SE
15
SE
5
SSE
5
SW
5
SSW
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
on
crosscrosscrosscrossglassglassglasscrosscrossglassglassglasscrosscrosscrosscross-
off
cross-
off
glassglassoffcross-
off
High Tide
/ height (m)
8:21PM
0.72
9:44PM
0.72
9:00AM
0.37
10:47PM
0.75
Low Tide
/ height (m)
11:35AM
0.22
12:35PM
0.26
6:41AM
0.36
2:27PM
0.30
Wednesday
08
Thursday
09
Friday
10
Sat
11
Sunrise-6:09-------6:09-------6:07------
Sunset----6:37-------6:38-------6:38---
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
cloud
cloud
part cloud
part cloud
light rain
light rain
cloud
light rain
light rain
mod rain
mod rain
rain showers
light rain
rain showers
clear
part cloud
Rain (mm)
11-11111----12-1487311--
Temp. °C232425252425242424252626252324232323232424242424
Feels °C (?)262828272628262728282827282627242323232627282726
  • 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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