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

information circle48hr Weather and Surf, issued 1 pm Friday 27 Feb 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
24.7° 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 4PM is: 0.3m 16s primary swell from a Southwest direction and 0.3m 2s secondary swell from a North direction (forecast issued at 01:00pm February 27). An open ocean swell of 0.6m 11s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (27 Feb)--
Afternoon (27 Feb)1ft (0.3m)3s
Evening (27 Feb)0.5ft (0.2m)10s

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


Updates in  hr  min  s Forecast update imminent
Friday
27
Saturday
28
Sunday
01
Monday
02
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
1
1
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
NNE
0.3
NW
0.3
SW
0.2
WNW
0.8
NNE
0.2
WNW
0.4
SW
0.7
NNE
0.6
NNE
0.2
WNW
0.2
WNW
0.4
NW
0.4
NW
0.4
NW
0.5
NW
0.5
NW
0.6
WNW
0.6
WNW
0.6
NW
0.6
NW
0.6
NW
0.5
NW
0.5
NW
0.5
NW
Period(s) (?)11315101112151010101015151414131313121212121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)013710013000101057565410088114111118114112676360
Wind
(km/h)
15
WNW
10
WNW
5
NW
0
E
10
SSE
5
S
5
SSW
5
WNW
10
WNW
10
NW
5
WNW
10
SSW
10
S
5
SSE
5
SW
0
ESE
10
WNW
10
NW
5
NW
5
SW
10
S
5
S
0
NNW
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
glasscross-
off
glassglassglassoncross-
on
oncrosscross-
off
cross-
off
glassglassonononglasscross-
off
glassglasscross
High Tide
/ height (m)
1:37PM
0.33
2:09AM
0.82
2:23PM
0.40
2:48AM
0.83
3:04PM
0.46
3:23AM
0.81
Low Tide
/ height (m)
8:47AM
0.15
6:51PM
0.10
9:13AM
0.12
7:48PM
0.07
9:38AM
0.10
8:38PM
0.07
Friday
27
Saturday
28
Sunday
01
Monday
02
Sunrise-------6:43-------6:43-------6:43
Sunset--6:28-------6:28-------6:29-----
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C242424232222222224252423232323232425252424232324
Feels °C (?)242425262324242425262524242525262526272726262626
  • 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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