Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Tuesday 14 Apr 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
25.2° C
(Which is slightly warmer than usual)

How big are the waves at Waimanu Bay today?

The current surf forecast for Waimanu Bay at 11AM is: 0.9m 7s primary swell from a East direction and 0.5m 10s secondary swell from a Northwest direction, 0.3m 8s secondary swell from a Northeast direction (forecast issued at 07:00am April 14). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (14 Apr)2ft (0.6m)10s
Afternoon (14 Apr)3.5ft (1.1m)5s
Evening (14 Apr)3.5ft (1.0m)7s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
14
Wednesday
15
Thursday
16
Fri
17
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
NW
0.6
NW
0.9
E
1.1
E
1.2
E
1.1
E
0.9
E
0.9
E
0.9
E
0.9
E
1.2
E
1.4
E
1.2
E
1.1
E
1
E
1
E
0.9
E
0.9
E
1
E
1.1
E
0.9
E
0.9
E
0.9
E
1
E
Period(s) (?)11107457777745577777777777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)716870486210773737377539765110919174749111174737491
Wind
(km/h)
10
E
15
E
20
E
15
E
15
E
15
E
10
E
15
E
15
E
20
ESE
15
E
15
ENE
15
ENE
15
E
15
E
15
E
15
E
15
E
15
ENE
15
ENE
15
E
20
E
20
ESE
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
crosscross
High Tide
/ height (m)
Low Tide
/ height (m)
Tuesday
14
Wednesday
15
Thursday
16
Fri
17
Sunrise-6:05-------6:03-------6:03------
Sunset----6:39-------6:39-------6:40---
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C242526262524242323242526242424232324252524242324
Feels °C (?)272727282726272524242627262625242425272725242324
  • 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

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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