Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Sunday 05 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 3AM is: 0.5m 16s primary swell from a South-southwest direction and 1.3m 6s secondary swell from a East-northeast direction (forecast issued at 07:00pm April 05). An open ocean swell of 0.3m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (06 Apr)4ft (1.2m)6s
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
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
1
1
2
2
2
1
0
1
1
2
2
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1
ENE
1.1
ENE
0.5
SSW
0.6
SSW
0.5
SSW
1.2
ENE
0.4
SSW
0.4
SSW
0.5
S
0.5
SSW
0.5
SSW
0.6
S
0.6
S
0.7
S
0.7
SSW
0.7
SSW
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.6
S
0.9
SSW
Period(s) (?)761616166181716161617191915151818181818171716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1081021471771538710292134151153205270369188191321311307307300293200427
Wind
(km/h)
15
ENE
20
ENE
20
ENE
15
ENE
15
E
15
E
15
ESE
10
SE
10
ESE
10
ESE
5
SSE
5
S
10
SSW
10
SW
5
NNW
5
E
10
ESE
10
E
5
ESE
5
SE
5
SSE
10
SE
15
SE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onononcross-
on
cross-
on
crosscrossglasscross-
on
cross-
on
cross-
on
cross-
on
glassglassononon
High Tide
/ height (m)
6:22PM
0.51
4:31AM
0.18
7:14PM
0.49
8:20PM
0.47
Low Tide
/ height (m)
1:36AM
0.16
11:06AM
-0.01
11:39AM
0.02
12:25PM
0.05
Sunday
05
Monday
06
Tuesday
07
Wednesday
08
Sunrise-----6:24-------6:24-------6:24--
Sunset6:52-------6:53-------6:53-------
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
thunderstorm
light rain
rain showers
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
Rain (mm)
---112211---256-------11
Temp. °C232222222122232323222222212021222322222222232424
Feels °C (?)222121222122232323232424222123232423242425252525
  • 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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