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Surf Forecasts:

Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Monday 16 Mar 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
24.7° C
 (Which is slightly warmer than usual)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 2AM is: 0.5m 7s primary swell from a South-southeast direction (forecast issued at 07:00pm March 16). An open ocean swell of 0.9m 9s is not directed at the surf break, a second open ocean swell of 0.9m 12s is not directed at the surf break, a second open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (17 Mar)1.5ft (0.4m)8s
Afternoon (17 Mar)1.5ft (0.4m)8s
Evening (17 Mar)2ft (0.6m)16s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
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
1
1
1
0
0
1
1
1
1
1
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
SSE
0.5
SSE
0.4
SSE
0.5
SSE
0.5
SSE
0.4
SSE
0.4
SSE
0.4
SSE
0.9
NNW
0.6
S
0.6
S
0.7
S
0.7
S
0.8
S
0.8
S
0.8
S
0.9
S
0.9
S
0.9
S
0.9
S
0.9
S
0.9
S
0.9
S
0.9
S
Period(s) (?)7777788814161616161616161515151414141414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)29292029312324280192188249251322322314381352343338333333329324
Wind
(km/h)
5
W
5
ENE
5
N
10
NNW
5
W
5
NNW
5
NNE
10
ENE
10
NE
10
NE
10
NE
10
NE
10
NE
10
ENE
10
E
10
ESE
10
SE
10
E
10
E
10
E
5
ESE
5
SE
15
SSE
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscross-
off		cross-
off		cross-
off		glassglasscrosscrosscrosscrosscrosscrosscrosscross-
on		ononcross-
on		cross-
on		cross-
on		onononon
High Tide
/ height (m)
2:28PM
0.30
2:51AM
0.52
3:07PM
0.36
3:17AM
0.49
3:48PM
0.42
3:44AM
0.44
Low Tide
/ height (m)
8:04PM
-0.02
9:14AM
0.01
8:50PM
-0.01
9:35AM
-0.03
9:38PM
0.02
9:59AM
-0.06
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Sunrise-----6:43-------6:43-------6:41--
Sunset6:46-------6:46-------6:46-------
cloud
cloud
cloud
light rain
light rain
cloud
cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
clear
cloud
cloud
cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
---33----------------112
Temp. °C242423212121222222222221212123232323232222232425
Feels °C (?)252625222222242323232322222224242425252424262526
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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