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Surf Forecasts:

Mahai'ula Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 pm Sunday 11 Jan 2026 HST
Forecast update in hr  min  s Forecast update imminent
Mahai'ula Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mahai'ula Bay sea temperature is
26.0° C
 (Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Mahai'ula Bay today?

The current surf forecast for Mahai'ula Bay at 9PM is: 0.7m 15s primary swell from a North-northwest direction and 0.6m 12s secondary swell from a West-northwest direction (forecast issued at 07:00pm January 11). The wind direction is predicted to be glassy and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (11 Jan)--
Afternoon (11 Jan)2.5ft (0.8m)16s
Evening (11 Jan)2.5ft (0.7m)15s

Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
5 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)
1
2
1
1
1
1
0
1
2
2
3
3
4
3
2
2
3
3
3
3
3
1
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
NNW
0.7
NW
0.7
NNW
0.7
NNW
0.7
NNW
0.7
NNW
0.7
NNW
0.7
NW
1.1
NW
1.3
NW
1.3
NW
1.7
NW
1.8
NW
1.8
NW
1.7
NW
1.7
NW
1.6
NW
1.6
NW
1.5
NW
1.4
NW
1.4
NW
1.3
NW
1.2
NW
1.1
NW
Period(s) (?)161514141413131318171616161615141414141313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)31022618317817315615117870388689713741494162212621179978965840711683618488374
Wind
(km/h)
10
W
5
WNW
5
WSW
10
SSW
10
SSW
10
S
15
WSW
10
WSW
10
WNW
10
NNE
10
NE
15
NNE
15
NE
10
NNE
5
SW
10
WSW
5
WNW
5
N
0
SSE
5
S
10
S
5
SSW
5
WSW
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		glasscross-
on		crosscrosscross-
off		cross-
on		cross-
on		oncrosscross-
off		crosscross-
off		crosscrosscross-
on		glassglassglassglasscross-
off		crosscross-
on		cross
High Tide
/ height (m)
12:13AM
0.62
9:48AM
0.34
1:02AM
0.68
11:47AM
0.30
1:44AM
0.72
1:05PM
0.29
Low Tide
/ height (m)
8:13AM
0.33
4:52PM
0.14
8:56AM
0.28
5:45PM
0.13
9:23AM
0.23
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Sunrise-----7:01-------7:01-------7:01--
Sunset6:02-------6:02-------6:04-------
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
Rain (mm)
---------1--------------
Temp. °C242423222223242424232323222324242323232322232425
Feels °C (?)262725232324242526242423222426262525262624252623
  • 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 Mahai'ula 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 Mahai'ula Bay at:
surf-forecast.com

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