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Surf Forecasts

Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 pm Monday 21 Apr 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
25.2° C
 (Which is slightly warmer than usual)

How big are the waves at Waimanu Bay today?

The current surf forecast for Waimanu Bay at 3AM is: 0.9m 8s primary swell from a Northeast direction and 0.7m 8s secondary swell from a East direction, 0.6m 4s secondary swell from a East-southeast direction (forecast issued at 07:00pm April 21). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (22 Apr)4ft (1.2m)8s
Afternoon (22 Apr)2.5ft (0.8m)8s
Evening (22 Apr)3ft (0.9m)8s

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 
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tue
29
5 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 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
1
2
1
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 (?)
1.5
ENE
1.6
ENE
1
E
0.9
NE
1.1
ESE
1.2
ESE
0.8
NE
0.8
NE
1.2
ESE
0.9
ESE
1.3
ESE
1.3
ESE
1.3
ESE
0.6
NE
1.4
ESE
1.6
E
1.4
ESE
1.3
ESE
1.4
ESE
1.4
ESE
1.5
ESE
1.5
ESE
1.6
ESE
1.7
ESE
1.7
ESE
1.7
ESE
1.6
ESE
1.6
ESE
1.4
ESE
1.2
ESE
1.2
ESE
1.8
E
2
E
1.8
E
1.6
E
1.5
ESE
1.3
ESE
1.1
ESE
1.1
ESE
1.2
ESE
1.3
E
0.9
ESE
1.2
E
1.2
E
1.2
E
1.1
E
1.4
E
1.6
E
1.7
E
1.6
E
1.4
E
1.3
E
1.2
E
1.2
E
1.4
E
1.7
E
1.7
E
1.6
E
1.4
E
1.3
E
Period(s) (?)888888888888886666655566666677767768888888888888888888856888
Wave
Graph
(?)Metric surfscale
Energy (?)24628012410715317573691921042232172375413118113511311098112117161208201215179154193156160222342297169240191159151187217119182182190153241314363313247213185176251155172290246207
Wind
(km/h)
20
E
20
E
15
E
15
ESE
10
ESE
5
ESE
5
E
10
E
10
ENE
10
E
10
ESE
10
ESE
5
SSE
5
SE
15
E
15
E
20
E
20
E
20
ESE
15
ESE
15
ESE
10
ESE
15
E
20
E
20
E
25
E
20
E
10
ESE
15
ESE
15
E
25
E
20
E
20
E
20
E
20
E
20
ESE
15
ESE
15
E
20
E
20
E
15
E
20
E
20
E
20
E
15
ESE
20
E
20
ENE
20
ENE
20
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscross-
off		cross-
off		crosscross-
on		crosscrosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		crosscrosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross
High Tide
/ height (m)
10:40PM
0.79
11:28AM
0.48
11:27PM
0.80
12:23PM
0.59
12:09AM
0.79
1:10PM
0.72
12:48AM
0.76
1:53PM
0.84
1:25AM
0.72
2:36PM
0.94
2:02AM
0.66
3:20PM
1.00
2:38AM
0.60
4:05PM
1.03
Low Tide
/ height (m)
6:03AM
0.27
4:33PM
0.30
6:24AM
0.21
5:49PM
0.30
6:48AM
0.14
6:55PM
0.29
7:15AM
0.08
7:54PM
0.28
7:45AM
0.03
8:50PM
0.28
8:16AM
-0.01
9:46PM
0.30
8:49AM
-0.02
10:44PM
0.32
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tue
29
Sunrise-----5:58-------5:58-------5:56-------5:56-------5:56-------5:54-------5:54------
Sunset6:42-------6:43-------6:43-------6:43-------6:44-------6:44-------6:44-------6:45---
rain showerspart cloudpart cloudpart cloudclearpart cloudpart cloudlight rainrain showersclearpart cloudclearclearclearclearclearclearclearclearclearclearpart cloudpart cloudclearclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudclearclearclearclearpart cloudpart cloudthunderstorm clearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclearclear
Rain (mm)
1------12-------------------------------1-------------------
Temp. °C242423232324252424242423232425252524242424242525252424242324252524242423232424242424232323242525252423232324252524242323
Feels °C (?)242424242426272626262625252525252524242425252625252424252324242523242423232424242424232322232424242322222323242524242322
  • 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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