Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Thursday 02 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 9PM is: 0.4m 10s primary swell from a Southeast direction and 0.3m 14s secondary swell from a South direction (forecast issued at 01:00pm April 02). An open ocean swell of 1.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (02 Apr)1.5ft (0.4m)10s
Afternoon (02 Apr)1ft (0.3m)15s
Evening (02 Apr)1ft (0.3m)14s

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


Updates in  hr  min  s Forecast update imminent
Thursday
02
Friday
03
Saturday
04
Sunday
05
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SE
0.4
SE
0.3
S
0.3
S
0.3
S
0.3
S
0.3
S
0.4
SE
0.4
SE
0.4
SE
0.3
SW
0.3
SW
0.4
SE
0.4
SE
0.4
SE
0.3
S
0.3
SW
0.3
SW
0.4
SW
0.4
SW
0.4
SW
1.3
ENE
0.4
SW
1.3
ENE
Period(s) (?)1010151414141411111116161111101115151818186186
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2827403536323329404040404029282233338181879387116
Wind
(km/h)
20
ENE
20
NE
20
ENE
25
NE
20
NE
20
NE
20
NE
20
NE
20
ENE
20
ENE
25
NE
20
NE
20
NE
20
NE
20
NE
20
NE
20
ENE
20
NE
20
NE
20
NE
25
NE
20
ENE
20
ENE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
on
High Tide
/ height (m)
4:27PM
0.50
3:52AM
0.30
5:02PM
0.52
4:12AM
0.25
5:40PM
0.52
4:28AM
0.21
Low Tide
/ height (m)
9:33AM
-0.05
10:39PM
0.09
9:53AM
-0.05
11:29PM
0.11
10:15AM
-0.05
12:25AM
0.13
Thursday
02
Friday
03
Saturday
04
Sunday
05
Sunrise-------6:28-------6:26-------6:26
Sunset--6:52-------6:52-------6:52-----
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C232323222121202122232221212120212223222121212121
Feels °C (?)202020191819181819201919191918192021191919191919
  • 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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