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Surf Forecasts:

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

information circle48hr Weather and Surf, issued 7 pm Saturday 31 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
25.5° C
 (Which is 1.0°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 11PM is: 1.6m 14s primary swell from a Northwest direction (forecast issued at 07:00pm January 31). An open ocean swell of 0.2m 13s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (31 Jan)--
Afternoon (31 Jan)6ft (1.9m)15s
Evening (31 Jan)5ft (1.6m)14s

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
Saturday
31
Sunday
01
Monday
02
Tuesday
03
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)
3
3
3
3
3
1
0
0
1
2
1
1
0
0
0
0
0
1
1
0
1
2
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.8
NW
1.6
NW
1.6
NW
1.5
NW
1.4
NW
1.4
NW
1.2
NW
1.1
NW
1.1
NW
1
WNW
0.9
WNW
0.9
NW
0.8
WNW
0.7
NW
0.7
NW
0.7
WNW
0.4
NW
0.6
NW
0.6
NW
0.7
NW
1.1
NW
1.4
WNW
1.6
WNW
1.9
NW
Period(s) (?)151514141414131313121212121211111716161514121114
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1417112410028908116615014243763252552051771401331161071671572124665415921480
Wind
(km/h)
5
W
5
WNW
5
WNW
5
WSW
5
WSW
5
SSW
10
WSW
10
WSW
5
WSW
10
S
10
S
15
S
20
S
20
S
25
SSW
30
SSW
30
SSW
25
S
25
S
20
SSW
15
SSW
10
SSW
15
WSW
15
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglassglassglassglasscrosscross-
on		cross-
on		cross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscross-
off		cross-
off		crosscrosscrosscross-
on		on
High Tide
/ height (m)
3:49AM
0.91
3:52PM
0.41
4:25AM
0.89
4:35PM
0.45
4:58AM
0.84
Low Tide
/ height (m)
8:36PM
0.00
10:46AM
0.09
9:23PM
0.01
11:15AM
0.08
10:08PM
0.05
11:42AM
0.08
Saturday
31
Sunday
01
Monday
02
Tuesday
03
Sunrise-----6:58-------6:58-------6:58--
Sunset6:15-------6:15-------6:15-------
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
Rain (mm)
------------------------
Temp. °C252424232323252524232323232325252423232323232524
Feels °C (?)272727262626262626252422212123222222212223242525
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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