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Surf Forecasts

Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Friday 09 May 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
25.7° C
 (Which is slightly warmer than usual)

How big are the waves at Waimanu Bay today?

The current surf forecast for Waimanu Bay at 9AM is: 1.3m 8s primary swell from a East direction and 0.8m 11s secondary swell from a North-northwest direction, 0.6m 8s secondary swell from a North direction (forecast issued at 07:00am May 09). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (09 May)4.5ft (1.3m)8s
Afternoon (09 May)4.5ft (1.4m)7s
Evening (09 May)3ft (0.9m)11s

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

Hourly12 Days
Big Island Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
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
0
0
0
0
0
0
0
0
0
0
0
0
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
See all maps
Wave Height (m) & direction (?)
1.2
ENE
1.3
E
1.4
E
1.4
ENE
1.4
E
0.9
NNW
0.9
NNW
0.9
NNW
0.9
N
0.9
N
1.3
ENE
1.5
ENE
1
N
1
N
1
N
0.9
N
1.7
ENE
1.6
ENE
1.6
ENE
1.7
ENE
1.7
ENE
1.7
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.4
E
1.7
ENE
1.9
ENE
1.7
ENE
1.6
ENE
1.6
ENE
1.4
E
1.6
ENE
1.2
ESE
1.8
ENE
2
ENE
1.8
ENE
1.5
E
1.4
E
1.4
E
1.3
E
1.6
ENE
1.6
ENE
1.7
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.5
E
1.5
E
1.4
ENE
1.5
E
1.8
E
1.7
E
1.6
E
1.6
E
1.5
E
1.3
E
1.3
E
1.8
ENE
2.2
ENE
Period(s) (?)888771211111111771111111177777777777777777877788887777788888777778887
Wave
Graph
(?)Metric surfscale
Energy (?)169191221220209220213205195191161191244244233197285244265297305305261261245189286356301261269189254169336371340248216216186259259302268292300258265232258358315279279246187191375498
Wind
(km/h)
20
E
25
E
25
ENE
25
ENE
25
ENE
30
E
25
E
25
E
25
E
25
E
30
ENE
30
ENE
30
ENE
25
E
25
E
25
E
25
E
25
E
25
E
30
ENE
30
ENE
30
E
30
E
25
E
25
E
25
E
25
E
25
E
25
E
20
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
20
E
20
E
20
E
25
E
20
E
20
E
20
E
20
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
20
E
25
E
25
E
25
E
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on
High Tide
/ height (m)
1:55PM
0.80
1:04AM
0.59
2:25PM
0.86
1:33AM
0.56
2:55PM
0.90
2:01AM
0.53
3:27PM
0.93
2:29AM
0.50
4:01PM
0.93
2:56AM
0.48
4:38PM
0.92
3:22AM
0.45
5:17PM
0.90
3:51AM
0.43
Low Tide
/ height (m)
6:58AM
0.14
8:06PM
0.36
7:20AM
0.11
8:49PM
0.34
7:44AM
0.09
9:30PM
0.34
8:09AM
0.08
10:11PM
0.34
8:36AM
0.07
10:52PM
0.35
9:04AM
0.07
11:36PM
0.36
9:35AM
0.08
12:28AM
0.38
10:08AM
0.10
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Sunrise-5:48-------5:48-------5:48-------5:47-------5:47-------5:46-------5:46-------5:45--
Sunset----6:49-------6:49-------6:50-------6:50-------6:50-------6:51-------6:51-------
clearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearrain showersclearclearclearclearpart cloudpart cloudpart cloudclearpart cloudclearclearclearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudcloudpart cloudcloudpart cloudcloudpart cloudpart cloudpart cloudpart cloudcloudcloudcloudcloudcloudcloudcloudpart cloudthunderstorm
Rain (mm)
----------------1------------------------------------------1
Temp. °C232425252523232323242625252423232324262625242323232426262524242323242525252423232324252525242423232526262524242423252626
Feels °C (?)212122232320212021212222222221212122232322222021212224242423232120212324242322232223242425242321202324252423232321232425
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

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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