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Surf Forecasts:

Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am 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 12PM is: 2.1m 8s primary swell from a East direction and 0.9m 13s secondary swell from a Northwest direction, 0.5m 8s secondary swell from a North direction (forecast issued at 07:00am November 21). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (21 Nov)7ft (2.2m)8s
Afternoon (21 Nov)7ft (2.2m)8s
Evening (21 Nov)6.5ft (2.0m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
21
Saturday
22
Sunday
23
Mon
24
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
0
0
0
0
0
2
1
1
1
1
0
1
1
2
2
1
1
0
0
0
0
0
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.2
E
2.2
E
2.1
E
2.1
E
2.2
E
2
E
1.9
E
1.7
E
1.8
E
1.7
E
1.8
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
1.9
E
1.8
E
1.7
E
1.6
E
Period(s) (?)888888888881817161616151515148888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)628624581583639542505401450400448915754776834739693558543482477439382339
Wind
(km/h)
25
E
30
E
25
E
20
E
20
E
25
E
25
E
20
E
20
E
25
E
25
ENE
20
E
20
E
20
E
15
E
20
E
20
E
25
E
20
E
20
E
20
E
25
E
25
E
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross
High Tide
/ height (m)
3:47AM
0.95
2:43PM
0.47
4:22AM
0.93
3:10PM
0.45
4:58AM
0.91
3:39PM
0.44
Low Tide
/ height (m)
10:39AM
0.34
8:50PM
0.06
11:20AM
0.35
9:19PM
0.07
12:05PM
0.36
9:50PM
0.09
Friday
21
Saturday
22
Sunday
23
Mon
24
Sunrise-6:35-------6:35-------6:35------
Sunset----5:40-------5:40-------5:40---
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C242426262524242424242625252424242424262525242424
Feels °C (?)232224252523232423222525252425242323262525232324
  • 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

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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.

View detailed surf forecast for Waimanu Bay at:
surf-forecast.com

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