Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Tuesday 10 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
24.9° C
(Which is slightly warmer than usual)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 12AM is: 1.9m 6s primary swell from a South-southeast direction and 1.0m 9s secondary swell from a East-northeast direction, 0.6m 13s secondary swell from a South-southwest direction (forecast issued at 07:00pm March 10). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (11 Mar)7ft (2.2m)7s
Afternoon (11 Mar)7ft (2.1m)7s
Evening (11 Mar)4.5ft (1.4m)7s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
ENE
1.1
ENE
1.8
SSE
2.1
S
2.2
S
2.2
S
2.2
S
2.1
S
2
S
1.4
SSE
1.3
SW
1.3
SW
1.1
SW
1.3
SSW
0.7
ENE
1.5
SSW
1.2
S
1.1
S
1.3
SSW
0.4
SSE
1.3
SSW
1.8
SSW
2.5
SSW
3
SSW
Period(s) (?)9967777777766685555155677
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2062022563804424404524153771711441038410672117776510282912005171027
Wind
(km/h)
30
SSE
30
SSE
35
S
35
SSW
35
SSW
30
SSW
30
SSW
30
SW
25
SW
20
SW
20
SW
15
SW
15
SW
15
SW
20
SSW
25
SW
20
SSW
20
S
25
SSW
25
SSW
25
S
15
S
30
SSW
45
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscrosscrosscross-
off
crosscrosscrosscrosscross-
on
crosscross-
on
cross-
on
cross-
on
crosscross-
on
High Tide
/ height (m)
10:48PM
0.45
11:56PM
0.47
11:38AM
0.12
12:46AM
0.50
12:34PM
0.16
Low Tide
/ height (m)
2:40PM
0.06
9:04AM
0.12
4:18PM
0.05
8:41AM
0.11
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Sunrise-----6:48-------6:48-------6:48--
Sunset6:44-------6:45-------6:45-------
thunderstorm
mod rain
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
part cloud
thunderstorm
mod rain
heavy rain
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
210665543332211181-1915415936
Temp. °C232323232323242425242323232425212323232121202122
Feels °C (?)212120212121222224242323232424192322211920211918
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Latest Updates

Eyeball surf reportRecent Eyeball Surf Reports for HAW - Kaua'i

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    Davidson Point, 39 km away
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