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

information circle48hr Weather and Surf, issued 1 pm Wednesday 26 Nov 2025 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
26.3° C
(Which is slightly warmer than usual)


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

The current surf forecast for Mahai'ula Bay at 7PM is: 0.6m 16s primary swell from a Northwest direction (forecast issued at 01:00pm November 26). An open ocean swell of 0.4m 11s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (26 Nov)1ft (0.3m)10s
Afternoon (26 Nov)1.5ft (0.5m)17s
Evening (26 Nov)2ft (0.6m)16s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
26
Thursday
27
Friday
28
Saturday
29
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
1
0
2
2
1
0
0
1
0
0
0
2
1
1
0
1
1
0
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.3
NW
0.4
NW
0.5
NW
0.6
NW
0.6
NW
0.8
NW
0.8
NW
0.9
NW
0.9
NW
0.9
NW
0.9
NW
0.8
NW
0.8
NW
0.8
NW
0.8
NW
0.8
NW
0.8
NW
0.8
NW
0.8
NW
0.8
NW
0.8
NW
0.7
NW
0.6
NW
0.6
NW
Period(s) (?)181717161616151515151515151514141414131212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5010413520320129528032237031831425826225825124824522120218718114811286
Wind
(km/h)
10
NW
10
NW
5
NNW
5
SW
15
S
10
SSW
5
SW
5
NNW
10
NW
15
WNW
10
WSW
5
WSW
5
WSW
5
W
5
WSW
5
SW
10
W
10
WNW
5
W
10
SSW
15
SSW
10
S
10
SW
5
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
glasscross-
off
cross-
off
glasscross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
glasscrossononglasscross-
off
crosscross-
off
cross-
on
glass
High Tide
/ height (m)
9:14PM
0.31
8:40AM
0.66
10:47PM
0.39
9:34AM
0.62
11:48PM
0.49
Low Tide
/ height (m)
3:45PM
0.17
1:01AM
0.26
4:25PM
0.14
2:51AM
0.32
4:59PM
0.11
4:51AM
0.34
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunrise-------6:39-------6:39-------6:41
Sunset--5:43-------5:43-------5:43-----
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
Rain (mm)
------------------------
Temp. °C252526252424232425252424242424242425252424232323
Feels °C (?)272628282526262626272627272727272626272525242526
  • 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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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.


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