Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Sunday 30 Nov 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 11AM is: 1.8m 18s primary swell from a Northwest direction and 0.2m 9s secondary swell from a North direction, 1.1m 8s secondary swell from a East direction (forecast issued at 07:00am November 30). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (30 Nov)5.5ft (1.7m)18s
Afternoon (30 Nov)6ft (1.8m)17s
Evening (30 Nov)6ft (1.8m)17s

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

Updates in  hr  min  s Forecast update imminent
Sunday
30
Monday
01
Tuesday
02
Wed
03
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
2
2
1
2
2
2
3
4
3
3
2
1
2
3
3
2
2
2
1
1
0
1
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1.7
NW
1.7
NW
1.8
NW
1.8
NW
1.8
NW
1.8
NW
1.8
NW
1.8
NW
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
1.2
NW
1.2
NW
1.1
NW
1.1
NW
1.1
NW
1.1
NW
0.9
NNW
Period(s) (?)181918181717161616161616151515141414141413131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)17691975194520301984173216511750170715521420138410761034940763691589573485412400394290
Wind
(km/h)
15
ESE
20
E
15
E
15
ENE
15
E
15
E
15
E
10
SE
5
ESE
10
ESE
15
E
20
E
15
E
15
ESE
15
ESE
15
ESE
15
ESE
15
ESE
15
E
15
E
15
E
10
ESE
10
ESE
5
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on
cross-
on
cross-
on
crosscrosscross-
off
crosscrosscrosscross-
on
crosscrosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
crosscrosscross-
off
High Tide
/ height (m)
10:30AM
0.65
12:42AM
0.80
11:24AM
0.60
1:25AM
0.93
12:15PM
0.56
Low Tide
/ height (m)
5:20AM
0.45
5:27PM
0.10
6:45AM
0.42
6:03PM
0.04
7:52AM
0.38
6:41PM
-0.01
Sunday
30
Monday
01
Tuesday
02
Wed
03
Sunrise-6:39-------6:41-------6:41------
Sunset----5:40-------5:40-------5:40---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C232325252423232323232525242323222223252524232323
Feels °C (?)212124252422222323232424242323212021242424242525
  • 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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