Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 am Friday 27 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 10AM is: 1.3m 9s primary swell from a Northeast direction and 0.7m 10s secondary swell from a North direction (forecast issued at 01:00am March 27). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (27 Mar)4.5ft (1.3m)9s
Afternoon (27 Mar)4.5ft (1.3m)9s
Evening (27 Mar)4.5ft (1.4m)9s

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


Updates in  hr  min  s Forecast update imminent
Friday
27
Saturday
28
Sunday
29
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
2
3
1
2
0
1
0
0
2
2
1
0
0
0
0
0
0
0
0
0
0
0
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.7
NNE
1.7
NNE
1.5
NE
1.3
NE
1.4
NE
1.3
NE
1.5
NNE
1.4
NNE
1.2
NE
1.1
NE
1.3
NNE
1.1
NE
1
NE
1.1
N
1.4
NNE
1.5
NNE
1.6
NNE
1.6
NNE
0.9
ENE
0.9
NE
1.1
N
1.6
N
2
N
2.2
N
Period(s) (?)99999999999910119777999111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5084503652943282943703072301992492111772913132302222221411351926639691172
Wind
(km/h)
10
E
5
SE
5
ESE
10
E
10
ENE
10
NE
10
NE
15
ENE
10
E
5
NE
5
NNE
15
NE
20
NE
20
NE
20
NE
25
NE
20
NE
20
NE
15
NE
15
NE
20
NE
15
NNE
15
NE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
glasscrosscrosscross-
on
cross-
on
oncross-
on
cross-
on
glassononononononononcross-
on
ononononcross-
on
High Tide
/ height (m)
11:25PM
0.83
11:30AM
0.43
12:16AM
0.84
12:29PM
0.51
12:55AM
0.84
1:14PM
0.60
Low Tide
/ height (m)
6:54AM
0.31
4:51PM
0.23
7:13AM
0.27
6:00PM
0.21
7:33AM
0.23
6:55PM
0.21
Friday
27
Saturday
28
Sunday
29
Sunrise---6:20-------6:18-------6:18----
Sunset------6:35-------6:35-------6:36-
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
light rain
light rain
light rain
light rain
light rain
rain showers
rain showers
part cloud
part cloud
cloud
part cloud
part cloud
Rain (mm)
------------1111111-----
Temp. °C222121222424242222222121222121212020202021212120
Feels °C (?)232121222424242222232221222020191819191819191918
  • 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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