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

information circle48hr Weather and Surf, issued 1 pm Thursday 16 Apr 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
25.4° C
(Which is slightly warmer than usual)

Time (HST) & DateWave HeightWave Period
Morning (16 Apr)--
Afternoon (16 Apr)1ft (0.3m)4s
Evening (16 Apr)--

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


Updates in  hr  min  s Forecast update imminent
Thursday
16
Friday
17
Saturday
18
Sunday
19
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.2
WSW
0.5
S
0.3
NNE
0.5
S
0.5
S
0.7
S
0.4
WSW
0.4
WSW
0.4
W
0.4
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.4
WSW
0.4
W
0.4
W
0.5
W
0.4
W
Period(s) (?)3144141414131313141413121313131212121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1040005957556110081788185848075714846457141
Wind
(km/h)
15
WNW
15
WNW
5
WNW
5
S
10
SSE
5
S
0
NNE
10
NW
10
WNW
10
SW
10
SSW
5
SW
5
W
5
NW
5
NE
0
SE
20
SW
15
W
10
WNW
5
W
5
SSE
10
S
10
SSW
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononglasscross-
off
cross-
off
glassononcross-
on
crosscrossglassglassglassglasscrosscross-
on
onglassglasscross-
off
crosson
High Tide
/ height (m)
3:38PM
0.80
3:24AM
0.53
4:17PM
0.86
4:01AM
0.46
5:00PM
0.88
4:40AM
0.40
Low Tide
/ height (m)
8:54AM
0.01
10:02PM
0.14
9:22AM
-0.00
10:55PM
0.15
9:52AM
-0.01
11:52PM
0.16
Thursday
16
Friday
17
Saturday
18
Sunday
19
Sunrise-------6:03-------6:03-------6:03
Sunset--6:42-------6:42-------6:43-----
cloud
cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C252424242424242425252525242424242625252424242324
Feels °C (?)272527282627282727272728272727282727282827272627
  • 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

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