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Surf Forecasts:

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

information circle48hr Weather and Surf, issued 1 pm Thursday 08 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
25.9° C
 (Which is 1.1°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 5PM is: 0.7m 13s primary swell from a Northwest direction (forecast issued at 01:00pm January 08). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (08 Jan)2ft (0.6m)14s
Afternoon (08 Jan)2.5ft (0.7m)13s
Evening (08 Jan)2.5ft (0.7m)13s

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
Thursday
08
Friday
09
Saturday
10
Sunday
11
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)
0
0
0
1
1
0
1
1
0
0
0
1
1
1
0
1
0
1
2
2
2
2
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
WNW
0.7
WNW
0.7
NW
0.7
NW
0.6
WNW
0.6
WNW
0.7
WNW
0.7
WNW
0.6
WNW
0.6
WNW
0.5
WNW
0.6
WNW
0.5
WNW
0.5
WNW
0.4
WNW
0.4
WNW
0.5
NW
0.7
NW
0.9
NNW
1.1
NW
1.1
NW
0.9
NNW
0.6
NNW
0.8
NNW
Period(s) (?)131313131313121212121212121211111716151414141614
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1201561801781131081361339898829379785149148264409482447318177236
Wind
(km/h)
5
NW
10
NW
15
NNW
5
NE
5
NNE
5
SSW
0
W
5
SSW
5
W
10
W
5
WNW
5
N
0
WNW
5
SW
5
SSW
5
S
10
WSW
10
WSW
5
W
5
WNW
5
SW
5
SSW
5
SSW
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		oncross-
on		cross-
off		glasscrossglassglasscross-
on		ononglassglassglassglassglasscross-
on		cross-
on		glassglassglassglasscrosscross
High Tide
/ height (m)
8:40PM
0.47
7:36AM
0.57
9:56PM
0.52
8:03AM
0.48
11:11PM
0.57
Low Tide
/ height (m)
2:13PM
0.12
1:36AM
0.32
2:45PM
0.13
3:13AM
0.38
3:21PM
0.14
5:50AM
0.39
Thursday
08
Friday
09
Saturday
10
Sunday
11
Sunrise-------7:00-------7:01-------7:01
Sunset--6:00-------6:00-------6:01-----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C252525242423232325252423232323232424242323232223
Feels °C (?)272625252625262627262626262626262625262526262425
  • 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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