Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 am Saturday 11 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
24.3° C
(Which is normal for this time of year)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 1PM is: 0.9m 7s primary swell from a Southeast direction (forecast issued at 07:00am April 11). An open ocean swell of 0.8m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (11 Apr)3.5ft (1.0m)7s
Afternoon (11 Apr)3ft (0.9m)7s
Evening (11 Apr)2.5ft (0.7m)13s

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


Updates in  hr  min  s Forecast update imminent
Saturday
11
Sunday
12
Monday
13
Tue
14
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
2
1
2
0
2
2
1
1
1
1
0
0
1
1
0
0
1
0
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.2
SE
1.1
SE
0.7
S
0.9
SE
0.7
S
0.7
S
0.6
S
0.6
S
0.6
S
0.6
S
0.5
SSE
0.6
SSW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SE
0.6
SSE
0.6
SSE
0.5
SE
0.5
S
Period(s) (?)8713713131313121271414131312121213667714
Wave
Graph
(?)Metric surfscale
Energy kJ (?)16912616869168168123115108104271319588857573738217233224100
Wind
(km/h)
5
W
0
WSW
5
SSW
5
SW
5
WNW
5
N
5
WNW
5
NW
10
WSW
5
W
5
SSE
5
SSE
5
SE
5
ENE
10
E
15
E
5
NNE
10
ENE
10
ESE
5
S
5
SSW
0
NNE
0
ENE
0
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglasscrossglasscross-
off
glassglasscross-
off
glasscross-
on
cross-
on
glassglasscross-
on
cross-
on
cross-
off
cross-
on
onglasscrossglassglassglass
High Tide
/ height (m)
12:20PM
0.19
12:24AM
0.47
1:01PM
0.25
12:58AM
0.47
1:38PM
0.32
1:30AM
0.45
Low Tide
/ height (m)
7:19AM
0.09
4:57PM
0.09
7:23AM
0.06
6:05PM
0.07
7:35AM
0.03
7:05PM
0.06
Saturday
11
Sunday
12
Monday
13
Tue
14
Sunrise-6:20-------6:20-------6:18------
Sunset----6:54-------6:55-------6:55---
part cloud
clear
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
------133322123443------
Temp. °C212223242323222120212121212020202020222323232222
Feels °C (?)232525252525242422242323242221212222242625272626
  • 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.


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