Waimanu Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 pm Monday 16 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 8PM is: 0.9m 8s primary swell from a East direction (forecast issued at 01:00pm March 16). An open ocean swell of 1.0m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (16 Mar)2.5ft (0.8m)8s
Afternoon (16 Mar)2.5ft (0.8m)8s
Evening (16 Mar)2.5ft (0.8m)8s

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


Updates in  hr  min  s Forecast update imminent
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
1
1
1
1
1
1
1
0
1
1
1
1
2
3
2
2
2
2
2
2
2
2
2
1
Swell
Height Map
Wave Height (m) & direction (?)
0.8
E
0.8
E
0.9
ESE
0.9
E
0.8
E
0.5
NW
0.6
NNW
0.8
NNW
0.9
NNW
1
NNW
1.1
NNW
1.3
NNW
1.4
NNW
1.5
NNW
1.6
NNW
1.6
NNW
1.6
NNW
1.6
NNW
1.5
NNW
1.4
NNW
1.3
NNW
1.3
NNW
1.3
NNW
1.2
NNW
Period(s) (?)8888814131312121212121313131312121212121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8280101988089114209268314371493585778867841778715619531503494486390
Wind
(km/h)
5
WSW
5
WSW
5
WSW
5
S
5
SSW
5
SSW
5
SW
10
NNW
10
N
10
NNE
10
NE
10
E
10
E
10
E
10
E
10
E
5
ENE
5
NE
10
E
10
ESE
15
E
10
ESE
10
ESE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
off
cross-
off
offoffglasscross-
on
cross-
on
oncross-
on
cross-
on
crosscross-
on
crosscross-
on
cross-
on
oncross-
on
crosscrosscrosscrosscross
High Tide
/ height (m)
1:39PM
0.62
2:07AM
0.87
2:18PM
0.69
2:34AM
0.85
2:57PM
0.77
3:01AM
0.81
Low Tide
/ height (m)
8:11AM
0.24
7:30PM
0.14
8:31AM
0.19
8:12PM
0.15
8:52AM
0.14
8:55PM
0.18
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Sunrise-------6:28-------6:28-------6:26
Sunset--6:31-------6:31-------6:31-----
thunderstorm
light rain
thunderstorm
thunderstorm
rain showers
rain showers
thunderstorm
light rain
light rain
light rain
cloud
light rain
cloud
cloud
light rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
1112222232-1--1111221121
Temp. °C252526242524242324232323232323232424242323232324
Feels °C (?)292930272927282627262625252526252727272524252527
  • 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

Latest Updates

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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