S-Turns surfForecast / HAW – Maui / USA

information circle48hr Weather and Surf, issued 7 am Saturday 20 Dec 2025 HST
Forecast update in hr  min  s Forecast update imminent
S-Turns surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's S-Turns sea temperature is
25.8° C
(Which is slightly warmer than usual)


How big are the waves at S-Turns today?

The current surf forecast for S-Turns at 9AM is: 1.5m 11s primary swell from a North direction and 0.6m 15s secondary swell from a North direction (forecast issued at 07:00am December 20). The wind direction is predicted to be glassy and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (20 Dec)5ft (1.5m)11s
Afternoon (20 Dec)--
Evening (20 Dec)--

Table - waves today at S-Turns. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Saturday
20
Sunday
21
Monday
22
Tue
23
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
2
3
2
2
2
3
2
3
2
1
1
1
0
0
1
1
1
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.5
N
1.5
N
1.5
N
1.4
N
1.4
N
1.7
N
1.7
N
1.6
N
1.5
N
1.4
N
1.4
N
1.3
N
1.3
N
1.2
N
1.2
N
1.2
N
1.5
NNE
1.6
NNE
1.1
N
1.1
N
1
N
1
N
1
N
0.9
N
Period(s) (?)111111111113131212121111111111111111111111101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)576576565475475976932726607511502423416354348342550571282277224216202161
Wind
(km/h)
0
WSW
5
N
5
N
10
N
15
NNE
10
ENE
15
ENE
15
ENE
15
ENE
15
ENE
20
ENE
20
ENE
25
ENE
25
ENE
20
E
20
E
20
E
25
E
25
E
25
ENE
25
ENE
25
ENE
30
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
3:40AM
0.87
2:08PM
0.39
4:13AM
0.87
2:43PM
0.39
4:45AM
0.86
3:22PM
0.39
Low Tide
/ height (m)
10:49AM
0.33
8:27PM
0.03
11:23AM
0.33
8:59PM
0.04
11:58AM
0.33
9:31PM
0.07
Saturday
20
Sunday
21
Monday
22
Tue
23
Sunrise-6:58-------6:58-------6:58------
Sunset----5:50-------5:50-------5:51---
clear
cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
rain showers
light rain
part cloud
Rain (mm)
---------------------11-
Temp. °C242525262525242424242525252424242424252524242323
Feels °C (?)272927282627252525252524242323242323242423232121
  • 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 S-Turns 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