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Surf Forecasts:

Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 pm Thursday 19 Mar 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
24.6° 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 9PM is: 1.2m 11s primary swell from a North direction and 0.6m 7s secondary swell from a East direction (forecast issued at 01:00pm March 19). The wind direction is predicted to be glassy and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (19 Mar)4ft (1.2m)11s
Afternoon (19 Mar)4ft (1.2m)11s
Evening (19 Mar)4ft (1.2m)11s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
19
Friday
20
Saturday
21
Sunday
22
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
1
2
2
2
2
2
2
2
2
1
1
2
2
2
2
2
2
1
2
1
2
2
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
N
1.2
N
1.2
N
1.2
N
1.1
N
1.1
N
1
N
1
N
1.1
N
1
N
1
N
1.1
N
1.1
N
1.2
N
1.2
N
1.1
N
1.2
N
1.2
N
1.2
N
1.3
N
1.4
N
1.4
N
1.3
N
1.1
N
Period(s) (?)111111111111101010101011111111101010101111101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)364358351345286269210202242202206277282335323262300288284403451416339240
Wind
(km/h)
5
ENE
0
SW
5
WNW
0
W
5
WNW
5
WSW
5
ESE
5
E
5
N
5
NNW
5
NW
0
NW
5
W
0
SSE
0
WNW
0
WNW
5
N
5
NW
15
W
15
W
5
ESE
0
N
5
WNW
5
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		glassglassglassglassglassglassglassglasscross-
on		crossglassglassglassglassglassglasscross-
on		cross-
off		cross-
off		glassglasscrossoff
High Tide
/ height (m)
3:38PM
0.83
3:27AM
0.75
4:21PM
0.86
3:54AM
0.68
5:09PM
0.87
4:20AM
0.60
Low Tide
/ height (m)
9:16AM
0.11
9:40PM
0.23
9:43AM
0.08
10:28PM
0.29
10:11AM
0.07
11:23PM
0.35
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise-------6:26-------6:24-------6:24
Sunset--6:32-------6:32-------6:32-----
cloud
light rain
light rain
light rain
cloud
part cloud
light rain
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
thunderstorm
light rain
light rain
cloud
light rain
light rain
Rain (mm)
-232--1-----------221-12
Temp. °C252423232323232425252525242424252525252424232222
Feels °C (?)292827272726262728282829272828292828262528272525
  • 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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