Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 am Monday 19 Jan 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
25.1° C
 (Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 6AM is: 0.9m 6s primary swell from a East-northeast direction and 0.6m 8s secondary swell from a South-southeast direction (forecast issued at 01:00am January 19). An open ocean swell of 0.8m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (19 Jan)3.5ft (1.0m)6s
Afternoon (19 Jan)3ft (0.9m)6s
Evening (19 Jan)3ft (0.9m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
19
Tuesday
20
Wednesday
21
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
E
0.9
ENE
0.9
ENE
1
E
1
E
0.9
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.8
ENE
0.8
E
0.8
E
0.8
E
0.8
E
0.7
E
0.7
E
0.7
E
0.7
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.4
SE
Period(s) (?)666666677777777777778889
Wave
Graph
(?)Metric surfscale
Energy kJ (?)816666818468707375625961616248515454393940404222
Wind
(km/h)
10
E
15
E
15
E
15
E
15
SSE
15
SE
5
SSE
5
W
5
W
5
WSW
5
SSW
10
SSE
15
S
15
S
15
SW
10
WSW
10
WNW
20
N
25
N
20
NNE
25
NNE
20
NNE
20
NNE
25
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		onononglassglassglassglassoncross-
on		cross-
on		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
4:33AM
0.66
3:59PM
0.23
5:00AM
0.64
4:45PM
0.24
5:27AM
0.61
5:39PM
0.27
Low Tide
/ height (m)
9:00PM
-0.06
11:29AM
0.10
9:37PM
-0.04
11:55AM
0.08
10:16PM
-0.01
12:21PM
0.06
Monday
19
Tuesday
20
Wednesday
21
Sunrise---7:18-------7:18-------7:18----
Sunset------6:16-------6:17-------6:19-
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
rain showers
rain showers
light rain
cloud
cloud
cloud
cloud
cloud
Rain (mm)
----------------121-----
Temp. °C222222222423232322222122242424232320212122222221
Feels °C (?)222120212322232423232222222223232318181819192019
  • 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

Latest Updates

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest