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Surf Forecasts:

Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 14 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
24.8° C
 (Which is slightly warmer than usual)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 8PM is: 3.0m 10s primary swell from a West-southwest direction and 0.7m 8s secondary swell from a Southeast direction (forecast issued at 01:00pm March 14). An open ocean swell of 0.8m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (14 Mar)8ft (2.5m)7s
Afternoon (14 Mar)10ft (3.0m)8s
Evening (14 Mar)10ft (3.0m)10s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Saturday
14
Sunday
15
Monday
16
Tuesday
17
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
0
1
2
2
1
1
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3
SW
3
WSW
3
WSW
3
WSW
3
WSW
3
WSW
3
WSW
3
WSW
1
S
0.4
SSW
0.8
S
0.7
SE
0.7
SSE
0.6
SSE
0.7
SSE
0.7
SSE
0.7
SSE
0.6
SSE
0.5
SSE
0.5
SSE
0.5
SSE
0.5
SSE
0.5
SSE
0.4
SSE
Period(s) (?)789101010101071678777777777778
Wave
Graph
(?)Metric surfscale
Energy kJ (?)90498812661525145516991812177294946057473544424337262629293124
Wind
(km/h)
35
SW
35
WSW
35
WSW
35
WSW
30
SW
35
SW
35
SW
35
WSW
25
WSW
25
WSW
20
WSW
15
WSW
15
WSW
15
WSW
15
WSW
15
WSW
15
WSW
10
WSW
10
W
5
WNW
5
WSW
10
WSW
10
W
5
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		cross-
off		cross-
off		crosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glassglasscross-
off		cross-
off		cross-
off
High Tide
/ height (m)
1:14PM
0.20
1:56AM
0.54
1:51PM
0.25
2:24AM
0.54
2:28PM
0.30
2:51AM
0.52
Low Tide
/ height (m)
8:38AM
0.10
6:30PM
0.01
8:44AM
0.08
7:19PM
-0.01
8:57AM
0.05
8:04PM
-0.02
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Sunrise-------6:46-------6:45-------6:43
Sunset--6:45-------6:45-------6:46-----
clear
clear
part cloud
clear
part cloud
rain showers
rain showers
rain showers
rain showers
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
Rain (mm)
-----1111------------212
Temp. °C242424232323232223242423232222222324232322202020
Feels °C (?)202021192020201921212222232122222324242524202022
  • 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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