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Surf Forecasts:

Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Monday 19 Jan 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
25.0° C
 (Which is slightly warmer than usual)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 12AM is: 0.9m 7s primary swell from a East-northeast direction and 0.6m 7s secondary swell from a South-southeast direction (forecast issued at 07:00pm January 19). The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (20 Jan)--
Afternoon (20 Jan)3ft (0.9m)6s
Evening (20 Jan)3ft (0.9m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
0
1
1
1
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
ENE
0.9
ENE
0.9
ENE
0.8
E
0.8
E
0.8
E
0.8
E
0.8
E
0.8
E
0.7
E
0.7
E
0.6
E
0.6
E
0.5
E
0.6
E
0.5
E
0.5
E
0.5
E
0.5
E
1.1
NE
1.1
NE
1.1
NE
1.2
NE
1.1
NE
Period(s) (?)677777777777788888855555
Wave
Graph
(?)Metric surfscale
Energy kJ (?)687375595961616262515239392840282929284967676765
Wind
(km/h)
5
SE
5
WSW
5
WNW
5
W
5
SSW
10
SW
10
SW
20
SSW
15
WSW
15
WSW
30
N
25
N
25
NNE
15
NE
15
NNE
20
NNE
25
NE
20
NNE
20
NNE
15
NE
15
NNE
15
NNE
15
NE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglassglassglasscross-
on		crosscrosscross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		crosscross
High Tide
/ height (m)
3:59PM
0.23
5:00AM
0.64
4:45PM
0.24
5:27AM
0.61
5:39PM
0.27
5:53AM
0.55
Low Tide
/ height (m)
9:37PM
-0.04
11:55AM
0.08
10:16PM
-0.01
12:21PM
0.06
10:58PM
0.05
12:50PM
0.04
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Sunrise-----7:18-------7:18-------7:18--
Sunset6:16-------6:17-------6:19-------
clear
part cloud
clear
clear
clear
clear
clear
cloud
part cloud
clear
rain showers
cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
Rain (mm)
----------2-------------
Temp. °C242323232222242424231920202123232221202020212222
Feels °C (?)242423242222232123221416161921201919181818202020
  • 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

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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.

View detailed surf forecast for Ammonias at:
surf-forecast.com

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