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Surf Forecasts:

Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 am 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 10AM is: 0.6m 7s primary swell from a South-southeast direction (forecast issued at 07:00am March 16). An open ocean swell of 1.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (16 Mar)2ft (0.6m)7s
Afternoon (16 Mar)1.5ft (0.5m)7s
Evening (16 Mar)1.5ft (0.5m)7s

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
Thu
19
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
SSE
0.6
SSE
0.6
SSE
0.5
SSE
0.5
SSE
0.5
SSE
0.4
SSE
0.5
SSE
0.5
SSE
0.4
SSE
0.4
SSE
0.5
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
Period(s) (?)877777777888141616161616161615151514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3737362929292029312324410192188249251322322314381352343338
Wind
(km/h)
15
WSW
10
WSW
15
SW
15
SW
5
WSW
5
SSE
0
SW
0
SW
0
N
5
NNE
5
NE
10
NE
15
NNE
15
NE
15
NE
15
ENE
10
ENE
15
E
10
ESE
15
SE
15
SSE
10
S
10
S
10
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		crosscrosscross-
off		glassglassglassglasscross-
off		crosscrosscross-
off		crosscrosscrosscrosscross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross
High Tide
/ height (m)
2:24AM
0.54
2:28PM
0.30
2:51AM
0.52
3:07PM
0.36
3:17AM
0.49
3:48PM
0.42
Low Tide
/ height (m)
8:57AM
0.05
8:04PM
-0.02
9:14AM
0.01
8:50PM
-0.01
9:35AM
-0.03
9:38PM
0.02
Monday
16
Tuesday
17
Wednesday
18
Thu
19
Sunrise-6:45-------6:43-------6:43------
Sunset----6:46-------6:46-------6:46---
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
thunderstorm
Rain (mm)
-------1---------------2
Temp. °C222324252424232222222322222222212122232424232322
Feels °C (?)222424252526262425242423222222212223242525242424
  • 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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