Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 am Friday 27 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
24.4° 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: 0.5m 14s primary swell from a South direction (forecast issued at 07:00am March 27). An open ocean swell of 0.4m 12s is not directed at the surf break, a second open ocean swell of 1.7m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (27 Mar)1.5ft (0.5m)14s
Afternoon (27 Mar)2ft (0.6m)14s
Evening (27 Mar)1.5ft (0.5m)13s

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


Updates in  hr  min  s Forecast update imminent
Friday
27
Saturday
28
Sunday
29
Mon
30
5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SSE
0.5
S
0.5
S
0.5
S
0.6
SSE
0.5
S
0.6
SSE
0.6
SSE
0.6
SSE
0.5
S
0.6
SSE
0.6
SSE
0.6
SSE
0.6
SSE
0.5
SSE
0.5
S
0.5
S
0.5
S
0.4
SSW
0.4
SSE
0.4
SSE
0.4
SSW
0.4
SSW
0.4
SSW
Period(s) (?)131414141413141313161313131313121414141212131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)58101106106163811581391351351351351351339378104104634747585857
Wind
(km/h)
20
NNE
20
NNE
25
NNE
25
NNE
25
NNE
25
NNE
20
NNE
20
NE
25
NNE
25
NNE
30
NNE
30
NNE
30
NNE
30
NNE
30
NNE
30
NNE
30
NNE
25
NNE
30
NNE
25
NNE
30
NNE
30
NNE
25
NNE
30
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
12:29PM
0.17
12:57AM
0.55
1:20PM
0.24
1:37AM
0.53
2:02PM
0.30
Low Tide
/ height (m)
7:51AM
0.06
5:23PM
0.03
8:06AM
0.05
6:32PM
0.02
8:22AM
0.02
7:29PM
0.02
Friday
27
Saturday
28
Sunday
29
Mon
30
Sunrise-6:35-------6:33-------6:33------
Sunset----6:50-------6:51-------6:51---
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
Rain (mm)
---------1--------------
Temp. °C212122222121212019202121212020202020212021212021
Feels °C (?)181819181718181816161716161515151515161515161616
  • 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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