Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 am Saturday 31 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
25.1° C
(Which is slightly warmer than usual)


How big are the waves at Waimanu Bay today?

The current surf forecast for Waimanu Bay at 7AM is: 2.5m 16s primary swell from a Northwest direction and 0.4m 8s secondary swell from a East-southeast direction (forecast issued at 01:00am January 31). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (31 Jan)8ft (2.4m)16s
Afternoon (31 Jan)7ft (2.2m)15s
Evening (31 Jan)6.5ft (2.0m)14s

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

Updates in  hr  min  s Forecast update imminent
Saturday
31
Sunday
01
Monday
02
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
3
4
4
4
3
3
3
3
4
4
3
3
2
2
2
2
2
2
2
1
1
2
1
2
Swell
Height Map
Wave Height (m) & direction (?)
2.2
NW
2.5
NW
2.5
NW
2.5
NW
2.4
NNW
2.2
NNW
2.1
NNW
2
NNW
1.8
NNW
1.7
NNW
1.6
NNW
1.5
NNW
1.4
NNW
1.3
NNW
1.3
NNW
0.9
NW
0.8
NW
0.7
NW
0.7
NW
0.6
NW
0.5
N
0.5
NW
0.6
NW
0.7
NW
Period(s) (?)171717161615151414141313121212121212121210191817
Wave
Graph
(?)Metric surfscale
Energy kJ (?)27463695361031972785234818851560129511108757255734514362522031341348647183263288
Wind
(km/h)
5
ENE
10
ENE
10
E
10
ESE
10
NE
10
NE
5
NE
5
E
5
ESE
5
SSE
5
S
5
SSW
5
NW
10
NW
0
WNW
0
SE
5
SSW
5
WSW
10
SW
5
SSW
5
W
15
W
20
WSW
15
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
crossononcross-
on
cross-
on
glassglasscross-
off
glasscross-
on
crossglassglassglasscross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
off
High Tide
/ height (m)
2:33AM
1.04
1:48PM
0.51
3:08AM
1.04
2:33PM
0.55
3:40AM
1.02
3:16PM
0.58
Low Tide
/ height (m)
9:18AM
0.29
7:50PM
-0.02
9:46AM
0.26
8:32PM
-0.00
10:14AM
0.25
Saturday
31
Sunday
01
Monday
02
Sunrise---6:58-------6:58-------6:56----
Sunset------6:13-------6:14-------6:14-
clear
clear
clear
clear
clear
part cloud
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------1-----------------
Temp. °C232323232524232323232223252524232322222325262523
Feels °C (?)252525252726262626262425272727262624232326252423
  • 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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