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Surf Forecasts:

Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Saturday 10 Jan 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
25.4° C
 (Which is slightly warmer than usual)

How big are the waves at Waimanu Bay today?

The current surf forecast for Waimanu Bay at 2PM is: 1.9m 16s primary swell from a North-northwest direction and 0.9m 8s secondary swell from a East direction (forecast issued at 07:00am January 10). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (10 Jan)2ft (0.6m)18s
Afternoon (10 Jan)6.5ft (2.0m)16s
Evening (10 Jan)7ft (2.2m)15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
10
Sunday
11
Monday
12
Tue
13
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
1
2
2
3
4
4
4
4
4
4
3
3
3
4
4
4
4
3
3
3
1
1
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
E
0.6
NNW
1
NNW
1.9
NNW
2.3
NNW
2.2
NNW
2.1
NNW
2.5
NNW
2.4
NNW
2.3
NNW
2.2
NNW
2.1
NNW
2
NNW
2
NNW
1.9
NNW
1.8
NNW
1.8
NNW
1.6
NNW
1.6
NNW
1.6
NNW
1.6
NNW
2.2
NNW
2.5
NNW
2.5
NNW
Period(s) (?)81818161615151918171716161615141414131417161515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)108221651181626152147192744093587313826942219198218281475130112659438509291473250328452661
Wind
(km/h)
0
WSW
0
WNW
10
NW
5
NNW
5
ENE
10
ESE
10
ESE
10
ESE
15
ESE
15
ESE
10
E
10
E
5
ESE
5
SE
5
W
10
W
15
WSW
10
SSW
0
NNW
5
WNW
15
NNW
15
N
15
NNE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
on		cross-
on		glasscrosscrosscrosscrosscrosscross-
on		cross-
on		crossglasscross-
off		cross-
off		cross-
off		offglasscrosscross-
on		ononon
High Tide
/ height (m)
6:49AM
0.64
11:07PM
0.61
6:50AM
0.56
12:12AM
0.70
12:51AM
0.77
Low Tide
/ height (m)
2:44PM
0.23
4:21AM
0.55
3:35PM
0.22
4:30PM
0.20
Saturday
10
Sunday
11
Monday
12
Tue
13
Sunrise-7:00-------7:00-------7:00------
Sunset----6:00-------6:00-------6:00---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
light rain
light rain
light rain
light rain
Rain (mm)
--------------------1431
Temp. °C232325242423232323232525242323232323242523222222
Feels °C (?)262627262725242423232626262625242424272723222323
  • 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

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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.

View detailed surf forecast for Waimanu Bay at:
surf-forecast.com

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