Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 02 May 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 6PM is: 1.5m 8s primary swell from a East-northeast direction and 0.6m 14s secondary swell from a South direction (forecast issued at 01:00pm May 02). An open ocean swell of 0.5m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (02 May)5ft (1.6m)8s
Afternoon (02 May)5ft (1.5m)8s
Evening (02 May)4.5ft (1.4m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 24°C on Sat afternoon, min 21°C on Mon night). Wind will be generally light.

Sat
2
Sunday
3
Monday
4
Tue
5
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.6
ENE
8
1.5
ENE
8
1.5
ENE
8
1.4
ENE
8
0.7
S
16
1.4
ENE
8
1.4
ENE
8
1.3
ENE
8
1.3
ENE
8
1.3
ENE
8
1.3
ENE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
1.3
ENE
8
1.3
ENE
7
1.1
ENE
7
1.1
ENE
8
1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.8
ENE
8
0.8
ENE
8
Wave Graph
Metric surfscale
Energy kJ
296
244
244
214
245
204
215
191
191
196
196
226
238
226
196
172
140
143
120
102
102
96
77
77
Wind (km/h)
20
ENE
20
ENE
20
ENE
20
NE
15
ENE
20
NE
20
NE
20
ENE
20
ENE
20
ENE
25
ENE
25
ENE
25
ENE
20
ENE
20
NE
20
NE
20
ENE
20
ENE
20
NE
15
NE
15
ENE
10
NE
10
NE
5
N
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
glassy
High Tide
4:42PM0.59m
3:38AM0.18m
5:18PM0.59m
4:00AM0.16m
5:59PM0.57m
4:19AM0.14m
Low Tide
9:04AM-0.06m
11:49PM0.12m
9:31AM-0.05m
00:42AM0.12m
10:01AM-0.04m
1:46AM0.13m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:02
7:04
7:04
7:05
Temp °C
24
24
24
23
23
22
22
23
24
24
24
23
23
22
22
22
23
24
23
23
22
22
21
22
22
23
23
23
23
22
22
23
23
23
22
21
22
21
21
21
21
23
22
23
22
23
22
24
Swell 1
Height (m)
Direction
Period (s)
0.6
NW
14
0.6
S
14
0.5
S
14
0.6
S
14
0.7
S
16
0.5
S
16
0.5
SSW
16
0.5
S
16
0.6
S
13
0.6
S
14
0.6
S
14
0.6
S
14
0.6
SSW
14
0.6
S
14
0.6
S
14
0.5
S
14
0.5
S
13
0.6
NW
13
0.6
NW
12
0.6
NW
12
0.6
NW
12
0.6
NW
12
0.8
ENE
8
0.8
ENE
8
Energy kJ
164
150
106
153
245
131
146
131
128
144
150
153
165
150
148
100
90
103
122
118
90
89
77
77
Swell 2
Height (m)
Direction
Period (s)
0.6
S
14
0.5
NW
14
0.5
NW
14
0.4
NNW
14
0.4
NW
12
0.5
S
13
0.5
S
13
0.5
S
13
0.3
SSW
16
0.4
NW
12
0.4
NW
12
0.4
NW
11
0.4
NW
11
0.4
NW
11
0.3
NW
11
0.4
NW
11
0.5
NW
13
0.5
S
13
0.5
S
13
0.5
S
13
0.5
SE
9
0.5
SE
10
0.6
NW
12
0.5
NW
12
Energy kJ
150
99
93
71
55
87
86
86
51
50
48
43
42
30
19
42
83
89
89
89
43
47
87
66
Swell 3
Height (m)
Direction
Period (s)
0.4
SSW
18
0.4
SSW
18
0.4
SSW
18
0.4
NW
13
0.4
SE
9
0.4
NNW
13
0.4
NW
12
0.4
NW
12
0.4
NW
12
0.3
SE
6
0.3
SE
6
0.3
SE
11
0.2
SSW
20
0.4
SW
19
0.4
SW
19
0.3
SE
10
0.3
SE
10
0.3
SE
11
0.4
SE
11
0.5
SE
11
0.5
S
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
12
Energy kJ
104
103
103
44
20
63
38
38
39
7
6
18
37
96
96
16
17
18
29
56
87
56
55
50
Wind waves
Height (m)
Direction
Period (s)
1.6
ENE
8
1.5
ENE
8
1.5
ENE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
1.3
ENE
8
1.3
ENE
8
1.3
ENE
8
1.3
ENE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
1.3
ENE
8
1.3
ENE
7
1.1
ENE
7
1.1
ENE
8
1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
Energy kJ
296
244
244
214
204
204
215
191
191
196
196
226
238
226
196
172
140
143
120
102
102
96
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
Distance (km)
16
31
31
16
16
16
16
16
31
31
31
16
16
16
16
16
31
31
31
16
16
10
10
0
Best forecast wave conditions in Kaua'i
Rating
(10 max)
2
3
3
3
3
2
2
3
2
2
2
2
2
2
2
3
2
3
3
3
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
3
2
2
3
2
3
3
2
3
3
3
3
2
4
3
3
3
3
3
3
Header Global
Rating
(10 max)
4
4
4
4
4
4
5
4
4
4
4
4
5
5
5
4
5
4
5
5
5
5
5
4
  • 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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