Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm 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 8PM is: 0.5m 16s primary swell from a South-southwest direction and 0.8m 6s secondary swell from a East-northeast direction (forecast issued at 01:00pm 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
Thursday
09
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
1
1
1
1
1
2
1
0
1
2
2
1
1
1
1
0
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
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
0.9
SSW
0.6
S
0.9
SSW
2.2
SSE
2.5
SSE
Period(s) (?)1517161616171919191518181818181717161616161667
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6292134151153205270369270191321311307227300293200421427427188416398728
Wind
(km/h)
15
ESE
10
SE
10
SE
5
SSE
5
SSE
5
SSE
10
S
10
S
10
SSE
15
SSE
10
SSE
5
SSE
5
SSE
5
SE
5
SE
5
SSE
10
SE
15
S
15
S
15
SSE
20
SSE
25
S
25
SSE
25
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
onononcross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
onononononononcross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
High Tide
/ height (m)
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
Thursday
09
Sunrise-------6:24-------6:24-------6:22
Sunset--6:53-------6:53-------6:53-----
rain showers
rain showers
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
clear
rain showers
clear
clear
rain showers
part cloud
thunderstorm
thunderstorm
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
11----132-1--1-11681119542
Temp. °C232323232222222224242423232222232422212222232323
Feels °C (?)232424252424232325242525252424252623222322232222
  • 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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