Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 am Monday 06 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Ammonias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ammonias sea temperature is
24.0° C
(Which is normal for this time of year)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 12PM is: 1.0m 6s primary swell from a East-northeast direction and 0.4m 15s secondary swell from a Southwest direction (forecast issued at 07:00am April 06). The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (06 Apr)1.5ft (0.4m)15s
Afternoon (06 Apr)1.5ft (0.5m)16s
Evening (06 Apr)1.5ft (0.5m)16s

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


Updates in  hr  min  s Forecast update imminent
Monday
06
Tuesday
07
Wednesday
08
Thu
09
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
0
0
0
1
1
1
1
1
1
2
3
1
1
2
1
2
2
1
0
1
0
1
2
2
Swell
Height Map
Wave Height (m) & direction (?)
0.5
SSW
0.4
SSW
0.4
SW
0.4
SSW
0.5
S
0.5
SSW
0.5
SSW
0.6
S
0.6
S
0.7
S
0.6
S
0.7
SSW
0.7
S
0.7
S
0.7
S
0.6
S
0.7
S
0.7
S
0.6
S
0.9
SSW
0.9
SSW
0.7
S
0.6
S
0.9
SSW
Period(s) (?)161515171616161719191915181818181817171616161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)153876292134151153205270369270191321311307227300293200421427260188416
Wind
(km/h)
15
E
10
E
15
ESE
10
SE
10
SE
10
SE
10
SE
5
SSE
10
S
10
SSW
5
E
10
E
15
E
10
E
5
E
5
SSE
5
SE
5
ESE
15
SE
15
SE
20
SSE
10
SSW
0
WSW
10
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
onononononcross-
on
crossglasscross-
on
cross-
on
cross-
on
cross-
on
glassglasscross-
on
ononcross-
on
crossglasson
High Tide
/ height (m)
4:31AM
0.18
7:14PM
0.49
8:20PM
0.47
9:39PM
0.45
Low Tide
/ height (m)
11:06AM
-0.01
11:39AM
0.02
12:25PM
0.05
Monday
06
Tuesday
07
Wednesday
08
Thu
09
Sunrise-6:24-------6:24-------6:24------
Sunset----6:53-------6:53-------6:53---
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
light rain
rain showers
clear
clear
clear
clear
rain showers
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
heavy rain
mod rain
Rain (mm)
1111-----31----1--11516116
Temp. °C222223232322222222212322232222222223242423212122
Feels °C (?)222223242423232423222523232324242425252523232424
  • 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 Ammonias 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.


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