Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Sunday 15 Feb 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 10PM is: 3.5m 10s primary swell from a East-northeast direction and 0.2m 13s secondary swell from a South-southwest direction (forecast issued at 01:00pm February 15). An open ocean swell of 0.3m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (15 Feb)2.5ft (0.7m)8s
Afternoon (15 Feb)10ft (3.0m)10s
Evening (15 Feb)11ft (3.5m)10s

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

Updates in  hr  min  s Forecast update imminent
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
SE
0.6
SSE
3.5
ENE
3.5
ENE
3.5
ENE
3.5
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3.5
ENE
3.5
ENE
3.5
ENE
3.5
E
Period(s) (?)771010109999999999999999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)56322279249523981947150212941266123812051343143216241660166016601562156216641806188519571889
Wind
(km/h)
25
ENE
35
E
35
E
35
E
35
E
30
ENE
25
ENE
25
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
E
30
E
30
E
30
E
30
E
30
E
35
E
30
E
35
E
35
E
35
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
2:37PM
0.23
3:33AM
0.61
3:15PM
0.27
3:59AM
0.60
3:56PM
0.30
4:24AM
0.56
Low Tide
/ height (m)
9:57AM
0.09
8:14PM
-0.06
10:14AM
0.07
8:53PM
-0.05
10:34AM
0.04
9:34PM
-0.03
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise-------7:07-------7:07-------7:05
Sunset--6:34-------6:35-------6:35-----
part cloud
light rain
rain showers
rain showers
light rain
cloud
cloud
part cloud
rain showers
clear
part cloud
clear
part cloud
cloud
rain showers
light rain
cloud
clear
clear
cloud
light rain
clear
part cloud
rain showers
Rain (mm)
-1211---1-----11----1--1
Temp. °C232322222221212221222221222121212223222222222222
Feels °C (?)212018191818181917181817171617161818171718171618
  • 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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