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Surf Forecasts:

Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Monday 12 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
25.6° C
 (Which is 1.3°C warmer than 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 (forecast issued at 07:00pm January 12). An open ocean swell of 1.8m 16s is not directed at the surf break, a second open ocean swell of 1.7m 14s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (12 Jan)--
Afternoon (12 Jan)1.5ft (0.4m)10s
Evening (12 Jan)1.5ft (0.4m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
SE
0.4
SE
0.4
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
1.1
WNW
1
WNW
0.3
SE
1
N
0.9
NNW
0.3
SSE
0.8
SSW
1.3
SW
1.5
SW
1.4
SW
1.2
S
1.3
S
1.1
S
0.7
SE
0.6
SSE
0.6
SSE
0.4
E
Period(s) (?)1010108898141481212345566667668
Wave
Graph
(?)Metric surfscale
Energy kJ (?)24242411111211001000117821171191121279544272522
Wind
(km/h)
20
N
20
NNW
15
N
15
N
10
NNE
10
NE
15
ENE
10
E
10
ESE
5
SSE
10
SW
5
WSW
10
SW
15
SW
25
SW
35
SW
30
SW
25
WSW
15
WNW
20
NNW
20
NNW
20
NNW
25
N
25
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
on		cross-
on		ononcrosscross-
off		crosscrosscrosscrosscrosscross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
1:15AM
0.55
1:53AM
0.59
12:30PM
0.16
2:28AM
0.62
1:23PM
0.17
Low Tide
/ height (m)
4:41PM
0.02
5:28PM
0.01
10:18AM
0.15
6:16PM
-0.01
10:22AM
0.14
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Sunrise-----7:18-------7:18-------7:18--
Sunset6:12-------6:13-------6:14-------
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
cloud
cloud
part cloud
part cloud
rain showers
rain showers
thunderstorm
rain showers
rain showers
light rain
part cloud
part cloud
clear
clear
Rain (mm)
--------------122211----
Temp. °C232221212020222322222222222224242323222121202222
Feels °C (?)201919191919212221222223232222202021222019171818
  • 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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