Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Monday 01 Dec 2025 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
25.9° 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 12PM is: 1.7m 16s primary swell from a Northwest direction and 0.8m 7s secondary swell from a East direction, 1.0m 8s secondary swell from a East direction (forecast issued at 07:00am December 01). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (01 Dec)5.5ft (1.7m)16s
Afternoon (01 Dec)5ft (1.6m)15s
Evening (01 Dec)5ft (1.6m)15s

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

Updates in  hr  min  s Forecast update imminent
Monday
01
Tuesday
02
Wednesday
03
Thu
04
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
4
4
3
2
2
3
2
1
2
2
1
1
0
1
1
1
1
1
1
0
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
NW
1.8
NW
1.7
NW
1.7
NW
1.6
NW
1.6
NW
1.5
NW
1.4
NW
1.3
NNW
1.3
NW
1.2
NW
1.2
NW
1.1
NW
1.1
NW
1.1
NW
0.9
NNW
1
NW
1
NW
1
NW
0.9
NNW
0.9
NNW
1
NW
1
NW
0.9
NW
Period(s) (?)161616161515151414141414131313131312121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)170715521420138411871034940857691648573548412400394295316297292255255287282240
Wind
(km/h)
5
SSW
5
SSE
10
ENE
15
E
15
E
15
E
15
ESE
15
ESE
15
ESE
15
ESE
15
E
15
ENE
15
E
15
E
10
E
15
ESE
10
ESE
10
E
10
ENE
15
ENE
15
E
15
E
15
E
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
on
cross-
on
crosscrosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscross-
on
cross-
on
crosscrosscrosscross
High Tide
/ height (m)
11:24AM
0.60
1:25AM
0.93
12:15PM
0.56
2:08AM
1.02
1:04PM
0.52
Low Tide
/ height (m)
6:45AM
0.42
6:03PM
0.04
7:52AM
0.38
6:41PM
-0.01
8:48AM
0.34
7:21PM
-0.05
Monday
01
Tuesday
02
Wednesday
03
Thu
04
Sunrise-6:41-------6:41-------6:41------
Sunset----5:40-------5:40-------5:40---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C232325252424232323232524242322232323252524232323
Feels °C (?)252526252424222121222424242323232424252524232323
  • 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

Latest Updates

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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