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Surf Forecasts:

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

information circle48hr Weather and Surf, issued 7 am Wednesday 14 Jan 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
26.1° C
 (Which is 1.4°C warmer than 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 11AM is: 1.3m 13s primary swell from a Northwest direction (forecast issued at 07:00am January 14). An open ocean swell of 0.2m 14s is not directed at the surf break, a second open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (14 Jan)4.5ft (1.3m)13s
Afternoon (14 Jan)3.5ft (1.1m)13s
Evening (14 Jan)3ft (0.9m)12s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
14
Thursday
15
Friday
16
Sat
17
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
3
1
1
0
0
0
0
0
0
0
0
1
1
0
3
3
3
3
1
2
2
3
2
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.5
NW
1.3
NW
1.3
NW
1.2
NW
1
NW
0.9
NW
0.9
NW
0.8
NW
0.7
NW
0.9
WNW
0.7
NW
0.8
NW
1
NW
1.2
NW
1.8
NW
2
NW
2
NW
1.8
NW
1.7
NW
1.7
NW
1.6
NW
1.4
NW
1.3
NW
1.2
NW
Period(s) (?)131313131313121212121212121216161615151514141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7556185524803212652231781492101412002724161707190418801460121212121006787656540
Wind
(km/h)
5
S
15
SSW
15
SSW
30
SSW
30
SSW
25
S
25
S
20
S
20
S
15
S
15
SW
5
NW
20
NE
25
NNE
15
NE
25
NE
25
NE
20
NE
15
NNE
10
N
5
NNE
10
NE
10
ENE
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
on		cross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		crosscross-
on		crosscross-
off		cross-
off		cross-
off
High Tide
/ height (m)
1:05PM
0.29
2:22AM
0.77
1:57PM
0.30
2:58AM
0.80
2:38PM
0.31
Low Tide
/ height (m)
9:23AM
0.23
6:36PM
0.11
9:48AM
0.20
7:22PM
0.08
10:14AM
0.17
8:04PM
0.05
Wednesday
14
Thursday
15
Friday
16
Sat
17
Sunrise-7:01-------7:01-------7:01------
Sunset----6:04-------6:05-------6:06---
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
rain showers
light rain
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
Rain (mm)
----------13------------
Temp. °C232325252524242323232423242322212121232423222121
Feels °C (?)252426212223222121222425232021181718212324212020
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

View detailed surf forecast for Mahai'ula Bay at:
surf-forecast.com

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