Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

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

information circle48hr Weather and Surf, issued 1 am Tuesday 13 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 8AM is: 1.8m 16s primary swell from a Northwest direction (forecast issued at 01:00am January 13). An open ocean swell of 0.2m 10s is not directed at the surf break, a second open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (HST) & DateWave HeightWave Period
Morning (13 Jan)6ft (1.8m)15s
Afternoon (13 Jan)5.5ft (1.7m)14s
Evening (13 Jan)5ft (1.6m)14s

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
Tuesday
13
Wednesday
14
Thursday
15
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
2
3
3
4
3
1
2
2
3
3
3
1
1
0
0
0
0
0
0
1
0
0
0
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
NW
1.6
NW
1.9
NW
1.8
NW
1.8
NW
1.8
NW
1.7
NW
1.6
NW
1.6
NW
1.5
NW
1.5
NW
1.3
NW
1.2
NW
1.2
NW
1
NW
0.9
NW
0.9
NW
0.8
NW
0.7
NW
0.8
WNW
0.9
WNW
1
WNW
1.2
WNW
1.5
NW
Period(s) (?)161616161514141414131313131313131212121212121218
Wave
Graph
(?)Metric surfscale
Energy kJ (?)89712971742160214801289116310499117787556184884803212652231781491842262943711351
Wind
(km/h)
10
NNE
15
NE
15
NE
10
ENE
10
SSW
10
WSW
10
W
10
NW
0
NW
5
S
10
S
10
SW
5
SW
30
SSW
30
SSW
25
S
25
S
20
S
15
S
10
S
10
WSW
10
NNW
25
NNE
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		cross-
off		cross-
off		crosscross-
on		cross-
on		cross-
on		glasscross-
off		cross-
off		crosscross-
on		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
on		crosscross-
off
High Tide
/ height (m)
1:02AM
0.68
11:47AM
0.30
1:44AM
0.72
1:05PM
0.29
2:22AM
0.77
1:57PM
0.30
Low Tide
/ height (m)
8:56AM
0.28
5:45PM
0.13
9:23AM
0.23
6:36PM
0.11
9:48AM
0.20
7:22PM
0.08
Tuesday
13
Wednesday
14
Thursday
15
Sunrise---7:01-------7:01-------7:01----
Sunset------6:04-------6:04-------6:05-
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
Rain (mm)
1-----------------------
Temp. °C232323242424242423232323242525242323232324242323
Feels °C (?)242323252625262626252525262322232122222224252121
  • 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

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest