Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 pm 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 10PM is: 1.5m 7s primary swell from a East-southeast direction and 1.1m 7s secondary swell from a East direction, 0.8m 10s secondary swell from a North-northeast direction (forecast issued at 01:00pm April 08). The wind direction is predicted to be glassy and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (08 Apr)2.5ft (0.8m)11s
Afternoon (08 Apr)2ft (0.6m)14s
Evening (08 Apr)5ft (1.5m)7s

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
Saturday
11
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
1
1
1
3
3
2
2
2
2
1
2
2
2
1
0
1
1
1
2
2
2
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
0.9
NNE
0.9
NNE
0.6
NW
1.5
ESE
1.5
ESE
0.6
NW
1.3
E
0.6
NW
1.9
ESE
1.6
ESE
1.5
ESE
1.4
ESE
1.4
ESE
1.1
E
0.9
ENE
1.5
ESE
1.9
ESE
1.6
ESE
1.6
ESE
1.6
ESE
1.4
E
1.5
E
1.4
E
1.4
E
Period(s) (?)11101477136136666677677777888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)16715813921020613613413027719718616016511073160319254245292212255228240
Wind
(km/h)
10
E
10
E
10
E
10
SE
5
SW
0
S
0
NE
10
W
10
NW
15
NW
5
E
5
NNW
5
NNE
10
E
20
ESE
15
SE
15
ESE
10
ESE
5
SW
10
WNW
5
SSW
5
S
5
SSW
10
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
off
offglassglasscross-
off
crosscrossglassglassglasscross-
on
crosscross-
off
crosscrossoffcrossglassglassglasscross-
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
6:27AM
0.32
Wednesday
08
Thursday
09
Friday
10
Saturday
11
Sunrise-------6:09-------6:07-------6:07
Sunset--6:37-------6:38-------6:38-----
cloud
thunderstorm
thunderstorm
thunderstorm
cloud
light rain
cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
Rain (mm)
-132-1----1211123121----
Temp. °C252525252524242425262422232323232425242424242424
Feels °C (?)272727272828282627272725262523242627272727282827
  • 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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