Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 am Friday 03 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
23.9° C
(Which is normal for this time of year)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 1PM is: 0.4m 11s primary swell from a Southeast direction and 0.2m 12s secondary swell from a South direction (forecast issued at 07:00am April 03). An open ocean swell of 1.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (03 Apr)1.5ft (0.4m)11s
Afternoon (03 Apr)1.5ft (0.4m)11s
Evening (03 Apr)1ft (0.3m)16s

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


Updates in  hr  min  s Forecast update imminent
Friday
03
Saturday
04
Sunday
05
Mon
06
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
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 (?)
0.3
S
0.4
SE
0.4
SE
0.4
SE
0.3
SW
0.3
SW
0.4
SE
0.4
SE
1.2
ENE
1.2
ENE
0.3
SSW
0.4
SW
0.4
SW
1.2
ENE
1.3
ENE
0.4
SW
0.4
SW
0.4
SSW
0.4
SSW
1
ENE
0.4
SSW
0.4
SSW
0.5
SSW
0.6
SSW
Period(s) (?)1411111116161111771915187618181716716161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3329294040404040138127745481116938079116104102102102147177
Wind
(km/h)
15
NE
20
NE
20
ENE
20
ENE
20
NE
20
NE
20
NE
15
NE
20
NE
20
NE
20
ENE
20
NE
25
NE
20
NE
20
NE
20
ENE
15
ENE
20
ENE
20
ENE
20
ENE
15
ENE
15
ENE
20
ENE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
3:52AM
0.30
5:02PM
0.52
4:12AM
0.25
5:40PM
0.52
4:28AM
0.21
6:22PM
0.51
Low Tide
/ height (m)
9:53AM
-0.05
11:29PM
0.11
10:15AM
-0.05
12:25AM
0.13
10:39AM
-0.03
1:36AM
0.16
Friday
03
Saturday
04
Sunday
05
Mon
06
Sunrise-6:28-------6:26-------6:26------
Sunset----6:52-------6:52-------6:52---
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C212122222221212120212222222121212121222323212121
Feels °C (?)201920201920192018202020191920192019202122201919
  • 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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