Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Monday 06 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
24.1° C
(Which is normal for this time of year)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 12AM is: 0.6m 16s primary swell from a South direction and 0.8m 6s secondary swell from a East-northeast direction (forecast issued at 07:00pm April 06). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (07 Apr)2.5ft (0.7m)19s
Afternoon (07 Apr)2ft (0.6m)19s
Evening (07 Apr)2.5ft (0.7m)18s

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


Updates in  hr  min  s Forecast update imminent
Monday
06
Tuesday
07
Wednesday
08
Thursday
09
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
1
1
0
3
1
0
2
1
1
1
1
1
0
1
1
1
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
S
0.5
SSW
0.5
SSW
0.6
S
0.6
S
0.7
S
0.6
S
0.6
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.6
S
0.9
SSW
0.9
SSW
0.9
SSW
0.6
S
0.9
SSW
0.8
SSW
2.3
SE
2.5
SSE
3
SSE
Period(s) (?)161616171919191918181818181717161616161615778
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1341511532052703692702653213113073073002932004214274271884163034817111236
Wind
(km/h)
10
ESE
10
SE
5
SE
10
S
10
S
5
SSW
10
SE
15
SSE
10
SSE
5
SSE
10
SE
10
SE
5
SE
10
SE
15
SE
15
SSE
10
SSE
10
SSE
20
SSE
25
S
30
S
30
S
35
S
40
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononcross-
on
cross-
on
glassoncross-
on
onononononononcross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
7:14PM
0.49
8:20PM
0.47
9:39PM
0.45
Low Tide
/ height (m)
11:39AM
0.02
12:25PM
0.05
1:45PM
0.07
Monday
06
Tuesday
07
Wednesday
08
Thursday
09
Sunrise-----6:24-------6:24-------6:22--
Sunset6:53-------6:53-------6:53-------
clear
rain showers
rain showers
part cloud
rain showers
rain showers
clear
clear
clear
clear
part cloud
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
mod rain
thunderstorm
thunderstorm
mod rain
Rain (mm)
-11-11-------11163776347
Temp. °C232322222222242424232323222324242223222223232322
Feels °C (?)232424232324252325242525242525252424222122212119
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest