Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 pm Friday 21 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
26.2° 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 2AM is: 1.8m 8s primary swell from a East direction and 0.7m 13s secondary swell from a Northwest direction, 0.7m 16s secondary swell from a Northwest direction (forecast issued at 07:00pm November 21). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (22 Nov)6ft (1.8m)8s
Afternoon (22 Nov)4ft (1.2m)18s
Evening (22 Nov)4ft (1.2m)16s

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

Updates in  hr  min  s Forecast update imminent
Friday
21
Saturday
22
Sunday
23
Monday
24
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
2
1
1
1
0
0
1
1
2
2
1
2
1
0
0
0
0
1
1
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.9
E
2
E
1.9
E
1.8
E
1.7
E
1.8
E
1.9
E
1.2
NW
1.1
NW
1.2
NW
1.3
NW
1.2
NW
1.2
NW
1.1
NW
1.1
NW
1.1
NW
1.8
E
1.8
E
1.7
E
1.5
E
1.5
E
0.9
NW
1.5
E
1.5
E
Period(s) (?)8888888181716161615151514888881388
Wave
Graph
(?)Metric surfscale
Energy kJ (?)501553499448400448499915754776834739693558543489438439382309304253291287
Wind
(km/h)
20
E
25
E
25
E
20
E
25
E
25
E
25
E
20
E
20
E
20
E
15
E
20
E
20
E
20
E
20
E
20
E
25
E
25
E
20
E
20
E
20
E
20
E
20
E
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
crosscrosscross-
on
crosscrosscross-
on
cross-
on
cross-
on
crosscrosscrosscrosscross-
on
cross-
on
cross-
on
High Tide
/ height (m)
4:22AM
0.93
3:10PM
0.45
4:58AM
0.91
3:39PM
0.44
5:37AM
0.88
Low Tide
/ height (m)
8:50PM
0.06
11:20AM
0.35
9:19PM
0.07
12:05PM
0.36
9:50PM
0.09
12:59PM
0.37
Friday
21
Saturday
22
Sunday
23
Monday
24
Sunrise-----6:35-------6:35-------6:35--
Sunset5:40-------5:40-------5:40-------
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C252424242425262625242424242426252524242423242525
Feels °C (?)252323232324242625242424242326262523242423232425
  • 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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