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Surf Forecasts:

Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 am Saturday 17 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
25.7° C
 (Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Waimanu Bay today?

The current surf forecast for Waimanu Bay at 7AM is: 2.3m 13s primary swell from a North-northwest direction and 0.5m 8s secondary swell from a East direction (forecast issued at 01:00am January 17). An open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (17 Jan)7ft (2.1m)13s
Afternoon (17 Jan)7ft (2.1m)12s
Evening (17 Jan)6ft (1.8m)12s

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
17
Sunday
18
Monday
19
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
1
1
0
0
0
0
0
0
0
1
2
0
1
0
0
2
2
1
2
1
0
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.4
NNW
2.4
NNW
2.3
NNW
2.2
NNW
2.1
N
2.1
N
2
N
1.8
N
1.7
N
2
NNE
2
NNE
1.5
N
1.3
N
1
NW
1.4
NW
1.5
NW
1.5
NW
1.5
NW
1.4
NW
1.3
NW
1.1
NW
1.1
NW
0.9
NW
1.9
E
Period(s) (?)14131313131212121212121211181817161615141414147
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2119200517391544142312871151926814105410875834186711111123011151087805676529453332309
Wind
(km/h)
20
E
20
E
20
E
25
E
25
E
25
ENE
25
E
20
E
25
E
25
E
25
ESE
25
E
25
E
25
E
25
E
20
E
25
ESE
25
ESE
25
ESE
25
ESE
20
E
20
ENE
20
E
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross
High Tide
/ height (m)
2:54AM
0.96
1:51PM
0.49
3:22AM
0.98
2:27PM
0.51
3:50AM
0.99
3:04PM
0.52
Low Tide
/ height (m)
9:40AM
0.33
7:59PM
0.01
10:04AM
0.31
8:31PM
0.01
10:29AM
0.30
Saturday
17
Sunday
18
Monday
19
Sunrise---7:00-------7:00-------7:00----
Sunset------6:04-------6:05-------6:05-
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C202020202223222121202021232323212121212123242322
Feels °C (?)171716161819181817161617202020181817181720222220
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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