Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Friday 30 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 12PM is: 1.5m 15s primary swell from a Northwest direction (forecast issued at 07:00am January 30). An open ocean swell of 0.6m 15s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (30 Jan)5ft (1.5m)15s
Afternoon (30 Jan)5ft (1.5m)14s
Evening (30 Jan)4ft (1.2m)18s

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

Updates in  hr  min  s Forecast update imminent
Friday
30
Saturday
31
Sunday
01
Mon
02
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
3
3
2
2
4
4
3
4
4
4
3
3
4
3
4
4
3
3
2
2
2
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1.3
NW
1.4
NW
1.5
NW
1.5
NW
1.4
NW
1.2
NW
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
1.5
NNW
1.3
NNW
1.3
NNW
0.9
NW
0.9
NW
0.7
NW
Period(s) (?)141515141418171717161615151414141313121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6767959539027319152746369536103197278523481885156012951033875679647517436252240134
Wind
(km/h)
5
SSE
5
S
5
N
10
N
5
N
5
E
10
E
10
E
10
E
10
E
10
ENE
5
ENE
5
E
5
ESE
5
SE
5
SE
5
SSE
5
SSW
5
WNW
5
WNW
0
SSE
5
ESE
5
S
5
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassoffcross-
on
cross-
on
glassglasscrosscrosscrosscrosscross-
on
cross-
on
glasscrosscross-
off
glassglassglasscrosscrossglassglassglasscross-
off
High Tide
/ height (m)
12:59PM
0.47
2:33AM
1.04
1:48PM
0.51
3:08AM
1.04
2:33PM
0.55
Low Tide
/ height (m)
8:50AM
0.32
7:04PM
-0.00
9:18AM
0.29
7:50PM
-0.02
9:46AM
0.26
8:32PM
-0.00
Friday
30
Saturday
31
Sunday
01
Mon
02
Sunrise-6:58-------6:58-------6:58------
Sunset----6:12-------6:13-------6:14---
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C242426252424232323232524242323232323252524232323
Feels °C (?)262628262627252524242727272525252525272728262625
  • 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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