Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Monday 09 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
24.8° C
(Which is slightly warmer than usual)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 1AM is: 1.5m 9s primary swell from a East-northeast direction and 0.5m 14s secondary swell from a South-southwest direction, 0.9m 6s secondary swell from a South-southeast direction (forecast issued at 07:00pm March 09). The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (10 Mar)4.5ft (1.3m)9s
Afternoon (10 Mar)4ft (1.2m)9s
Evening (10 Mar)6ft (1.8m)6s

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


Updates in  hr  min  s Forecast update imminent
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
1
2
2
1
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 (?)
1.6
ENE
1.6
ENE
1.6
ENE
1.5
ENE
1.3
ENE
1.3
ENE
1.2
ENE
1.2
ENE
1.1
ENE
1.7
SSE
1.7
SSE
1.9
S
2
S
2
S
2
S
1.6
SW
1.9
S
1.8
S
1.3
SSE
1.1
SE
1.1
SW
1.4
S
1
SSE
1
SSE
Period(s) (?)101010999999666677677766666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)48142642636730229524824820621223028832234235318830928913494801327270
Wind
(km/h)
15
SSE
5
S
5
SE
15
SSE
15
SSE
20
SSE
25
S
25
S
25
S
30
SSE
30
S
30
S
30
SSW
30
SSW
30
SSW
30
SSW
25
SW
20
SW
20
SW
25
SW
20
SW
20
SSW
30
SSW
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
on
High Tide
/ height (m)
9:21PM
0.44
10:48PM
0.45
11:56PM
0.47
11:38AM
0.12
Low Tide
/ height (m)
1:18PM
0.04
2:40PM
0.06
9:04AM
0.12
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
Sunrise-----6:50-------6:48-------6:48--
Sunset6:44-------6:44-------6:45-------
thunderstorm
thunderstorm
light rain
cloud
part cloud
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
132--11-2257765553345552
Temp. °C242323232323242423232323232323242423232324242324
Feels °C (?)242525242322222221212121212121222322222224242123
  • 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

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

  1. No o

    Davidson Point, 39 km away
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