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

information circle48hr Weather and Surf, issued 7 am Tuesday 03 Mar 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
24.6° C
(Which is 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 3PM is: 0.6m 12s primary swell from a Northwest direction and 0.4m 3s secondary swell from a West-northwest direction (forecast issued at 07:00am March 03). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (03 Mar)2.5ft (0.7m)12s
Afternoon (03 Mar)2ft (0.6m)12s
Evening (03 Mar)2ft (0.6m)12s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
03
Wednesday
04
Thursday
05
Fri
06
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
1
1
1
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
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
0.5
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.6
N
0.3
NW
0.3
NW
0.3
NW
0.2
WNW
0.6
NNE
0.2
WNW
Period(s) (?)121212121212121212111111111111101041010109715
Wave
Graph
(?)Metric surfscale
Energy kJ (?)149149149116114112112110108615958414029272591515149021
Wind
(km/h)
5
ENE
5
E
5
W
10
WSW
5
W
5
S
5
ESE
0
SW
0
NW
5
SSE
10
SW
10
WSW
15
SSW
10
SSW
10
WSW
10
W
5
S
10
S
20
SSW
15
WNW
10
W
15
S
15
SSE
10
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglasscross-
on
cross-
on
glassglassglassglasscross-
off
cross-
on
cross-
on
crosscross-
off
cross-
on
onglasscross-
off
crossononcross-
off
cross-
off
cross
High Tide
/ height (m)
3:55AM
0.77
4:18PM
0.59
4:24AM
0.72
4:53PM
0.63
4:50AM
0.65
5:29PM
0.66
Low Tide
/ height (m)
10:24AM
0.07
10:07PM
0.10
10:45AM
0.07
10:49PM
0.14
11:06AM
0.07
11:32PM
0.19
Tuesday
03
Wednesday
04
Thursday
05
Fri
06
Sunrise-6:41-------6:41-------6:39------
Sunset----6:29-------6:30-------6:30---
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C232325252524242322232424242323232324252424242423
Feels °C (?)262628272827272725252625252525252625252526252425
  • 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

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest