Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 am Tuesday 07 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
24.7° 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 10AM is: 1.1m 5s primary swell from a East direction and 0.3m 9s secondary swell from a North-northwest direction, 0.3m 11s secondary swell from a Northwest direction (forecast issued at 01:00am April 07). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (07 Apr)3.5ft (1.0m)5s
Afternoon (07 Apr)4.5ft (1.3m)5s
Evening (07 Apr)4.5ft (1.3m)6s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
07
Wednesday
08
Thursday
09
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
0
0
0
0
0
0
0
2
1
2
2
2
1
2
2
3
3
2
2
2
1
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1.1
E
1
E
0.9
E
0.9
E
1.2
E
1.3
E
1.4
E
1.3
E
1.4
ESE
1
E
0.6
NNE
0.9
NNE
0.9
NNE
0.9
NNE
0.9
NNE
1.6
ESE
2.1
SE
2
ESE
1.5
ESE
1.7
ESE
1.7
ESE
1.5
ESE
1.1
E
1.3
ESE
Period(s) (?)55555556661111111010676777776
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5745404062831041011397898173167158160201370312181240247181107117
Wind
(km/h)
15
E
15
ESE
15
E
15
E
20
E
20
E
15
E
10
ESE
5
SW
5
SSW
5
ESE
0
N
5
E
5
E
5
E
5
WSW
0
W
5
NE
0
W
5
SE
0
WNW
10
WNW
5
WNW
5
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscross-
on
crosscrosscrossglassglassglassglassglasscrossglassglassglassglassglassglassglasscrossglassglass
High Tide
/ height (m)
4:15AM
0.46
7:04PM
0.74
8:21PM
0.72
Low Tide
/ height (m)
1:10AM
0.43
10:57AM
0.18
11:35AM
0.22
12:35PM
0.26
Tuesday
07
Wednesday
08
Thursday
09
Sunrise---6:11-------6:09-------6:09----
Sunset------6:37-------6:37-------6:38-
part cloud
part cloud
part cloud
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
rain showers
rain showers
cloud
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
Rain (mm)
-----1111111-121------11
Temp. °C222222232525242424242424252525252424242426252423
Feels °C (?)222222232525252727272727282728282728282729272726
  • 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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