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Surf Forecasts:

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

information circle48hr Weather and Surf, issued 1 am Wednesday 07 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
25.8° 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 9AM is: 0.5m 17s primary swell from a Northwest direction (forecast issued at 01:00am January 07). An open ocean swell of 0.8m 12s is not directed at the surf break, a second open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (07 Jan)1.5ft (0.5m)17s
Afternoon (07 Jan)1.5ft (0.5m)16s
Evening (07 Jan)1.5ft (0.5m)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
Wednesday
07
Thursday
08
Friday
09
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
1
1
1
1
1
0
0
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
NNE
0.3
NW
0.4
NW
0.4
NW
0.5
NW
0.5
NW
0.5
NW
0.5
NW
0.6
WNW
0.6
WNW
0.6
WNW
0.6
WNW
0.6
WNW
0.6
WNW
0.7
NW
0.7
WNW
0.6
WNW
0.6
WNW
0.6
WNW
0.7
WNW
0.6
WNW
0.6
WNW
0.5
WNW
0.6
WNW
Period(s) (?)91818171616161515141414131313131313121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)05011110712712511910614214013412912011818015411310810313399988293
Wind
(km/h)
10
WSW
15
SW
15
SSW
10
SSW
10
WSW
15
W
15
W
10
WSW
10
SW
10
SSW
10
SSW
5
S
5
WSW
10
W
5
WNW
5
NW
0
S
5
SSE
0
SSE
5
SSW
5
WNW
5
W
5
WNW
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
off		glasscross-
on		ononglassglassglassglassglassoncross-
on		glassglass
High Tide
/ height (m)
6:36AM
0.76
7:32PM
0.43
7:07AM
0.66
8:40PM
0.47
7:36AM
0.57
Low Tide
/ height (m)
11:41PM
0.15
1:40PM
0.11
12:32AM
0.24
2:13PM
0.12
1:36AM
0.32
2:45PM
0.13
Wednesday
07
Thursday
08
Friday
09
Sunrise---7:00-------7:00-------7:00----
Sunset------6:00-------6:00-------6:00-
thunderstorm
rain showers
rain showers
rain showers
part cloud
part cloud
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
1111--1-----------------
Temp. °C242323232424232323232323252525242323232324252423
Feels °C (?)262424242625242425252525272627272626262626272626
  • 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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