Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Friday 23 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
24.9° C
(Which is slightly warmer than usual)


How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 3AM is: 1.0m 5s primary swell from a East direction (forecast issued at 07:00pm January 23). An open ocean swell of 0.7m 11s is not directed at the surf break, a second open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (24 Jan)3ft (0.9m)5s
Afternoon (24 Jan)2.5ft (0.7m)5s
Evening (24 Jan)1.5ft (0.5m)7s

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

Updates in  hr  min  s Forecast update imminent
Friday
23
Saturday
24
Sunday
25
Monday
26
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
E
0.9
ENE
1.1
E
1.1
E
0.9
ENE
0.9
ENE
0.8
ENE
0.8
E
0.4
E
0.5
SE
0.4
E
0.6
SSE
0.6
SSE
0.7
SSE
0.6
SSE
0.5
E
0.5
E
0.4
E
0.4
E
0.4
E
0.4
SE
0.4
SE
0.4
SE
0.4
S
Period(s) (?)8455555687866667777788818
Wave
Graph
(?)Metric surfscale
Energy kJ (?)203456644345393923262128263327272515151517161697
Wind
(km/h)
20
ENE
20
ENE
20
ENE
15
ENE
15
E
15
E
10
E
5
SSE
10
SSE
5
S
5
SW
10
SW
5
W
5
WSW
5
S
10
SSW
10
SSW
5
W
5
NW
5
NNW
5
N
5
N
10
ENE
10
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glassoncross-
on
crosscrosscross-
off
glasscross-
on
cross-
on
crosscross-
off
offcross-
off
cross-
off
cross-
off
cross-
on
cross-
on
High Tide
/ height (m)
8:00PM
0.34
6:39AM
0.41
9:30PM
0.40
6:51AM
0.33
10:55PM
0.47
Low Tide
/ height (m)
12:57AM
0.20
1:54PM
-0.00
2:45AM
0.27
2:34PM
-0.02
Friday
23
Saturday
24
Sunday
25
Monday
26
Sunrise-----7:16-------7:16-------7:16--
Sunset6:20-------6:21-------6:21-------
part cloud
part cloud
thunderstorm
cloud
cloud
cloud
thunderstorm
cloud
clear
thunderstorm
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
Rain (mm)
--1---1--1--------------
Temp. °C232222222222232324232322222224242423232222222423
Feels °C (?)222222222222242525252522232426252525262424242624
  • 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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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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