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

information circle48hr Weather and Surf, issued 7 am Sunday 23 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
26.5° 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 3PM is: 0.8m 14s primary swell from a Northwest direction and 0.6m 3s secondary swell from a Northwest direction (forecast issued at 07:00am November 23). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (23 Nov)2.5ft (0.8m)15s
Afternoon (23 Nov)2.5ft (0.8m)14s
Evening (23 Nov)2.5ft (0.8m)14s

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

Updates in  hr  min  s Forecast update imminent
Sunday
23
Monday
24
Tuesday
25
Wed
26
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
2
2
1
0
0
1
1
1
1
1
1
0
0
1
0
1
1
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
NW
0.8
NW
0.8
NW
0.8
NW
0.8
NW
0.8
NW
0.7
NW
0.7
NW
0.7
NW
0.6
NW
0.6
NW
0.6
NW
0.6
NW
0.6
NW
0.6
NW
0.5
NW
0.5
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.3
NW
Period(s) (?)151514141414141313131313121212121212111111111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)313305297293245238179173171138136134989290696948464330303018
Wind
(km/h)
5
ESE
5
SSE
15
SW
15
WNW
10
NNW
5
SE
10
SE
5
N
10
NE
0
E
5
SW
10
SW
10
SW
5
WSW
5
W
5
WNW
5
NNE
5
S
10
SSW
10
SW
10
SW
5
WNW
10
NNW
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
crossoncross-
on
glasscross-
off
glasscross-
off
glassglasscross-
on
cross-
on
glasscross-
on
glassglassglasscrosscross-
on
crossoncross-
on
cross-
on
High Tide
/ height (m)
5:41AM
0.79
5:19PM
0.29
6:21AM
0.76
6:10PM
0.27
7:04AM
0.73
7:28PM
0.27
Low Tide
/ height (m)
1:11PM
0.19
10:36PM
0.10
2:04PM
0.19
11:11PM
0.14
2:58PM
0.19
11:54PM
0.19
Sunday
23
Monday
24
Tuesday
25
Wed
26
Sunrise-6:37-------6:37-------6:37------
Sunset----5:43-------5:43-------5:43---
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
Rain (mm)
------------------------
Temp. °C242526262525242424252626252524242324252625242424
Feels °C (?)262727272728272726272928272827272527262727262626
  • 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

Latest Updates

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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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