Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Monday 04 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
24.2° C
(Which is normal for this time of year)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 11PM is: 1.1m 8s primary swell from a East-northeast direction and 0.5m 13s secondary swell from a South direction (forecast issued at 07:00pm May 04). An open ocean swell of 0.6m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (04 May)--
Afternoon (04 May)3.5ft (1.1m)8s
Evening (04 May)3.5ft (1.1m)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 25°C on Tue afternoon, min 22°C on Mon night). Wind will be generally light.

Mon
4
Tuesday
5
Wednesday
6
Thu
7
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
11 AM
2 PM
Rating
(10 max)
0
0
0
0
0
1
1
0
1
1
1
1
1
1
0
0
0
1
2
0
0
0
0
0
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)
1.1
ENE
8
1.1
ENE
8
1.1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.8
ENE
8
0.8
E
7
0.8
E
7
0.8
E
7
0.8
E
7
0.6
SE
9
0.7
E
7
0.6
E
7
0.6
E
7
0.4
SSW
18
0.4
SSW
17
0.4
SSW
16
0.4
SSW
16
0.6
SSW
16
0.5
SSW
16
0.5
SSW
16
0.5
S
16
0.4
SSW
15
0.4
SE
9
Wave Graph
Metric surfscale
Energy kJ
128
131
131
102
96
75
70
68
64
62
52
47
35
34
102
100
87
86
201
146
146
127
72
29
Wind (km/h)
20
NE
20
NE
15
NE
10
ENE
5
NE
0
NNE
5
SSE
10
SSW
5
SW
5
NNW
5
N
5
NNE
10
N
5
NNE
10
E
10
ENE
10
NE
10
NNE
15
NNE
15
NE
15
NE
15
NE
15
ENE
15
NE
cross
cross
cross
cross
cross
glassy
glassy
cross-on
glassy
glassy
cross-off
glassy
cross-off
cross-off
cross-on
cross-on
cross
cross-off
cross-off
cross
cross
cross
cross
cross
High Tide
5:59PM0.57m
4:19AM0.14m
6:45PM0.54m
4:25AM0.13m
7:37PM0.52m
Low Tide
1:46AM0.13m
10:34AM-0.01m
3:20AM0.13m
11:11AM0.02m
11:57AM0.05m
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
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:05
7:05
7:05
Temp °C
23
23
22
22
22
23
24
25
25
23
23
22
22
22
24
24
24
23
22
22
22
22
23
23
22
23
22
24
25
27
26
26
27
26
25
25
24
24
26
25
25
23
22
23
23
22
23
23
Swell 1
Height (m)
Direction
Period (s)
0.7
NW
12
0.6
NW
12
0.6
NW
12
0.6
NW
12
0.9
ENE
8
0.8
ENE
8
0.8
E
7
0.8
E
7
0.8
E
7
0.8
E
7
0.7
E
7
0.7
E
7
0.6
E
7
0.6
E
7
0.6
E
7
0.5
E
7
0.5
ENE
7
0.5
SE
9
0.6
SSW
16
0.5
SSW
16
0.5
SSW
16
0.8
NNW
12
1
N
11
0.9
NW
14
Energy kJ
154
92
90
89
96
75
70
68
64
62
49
47
35
34
34
24
26
41
201
146
146
183
223
293
Swell 2
Height (m)
Direction
Period (s)
0.5
S
13
0.5
S
13
0.5
S
13
0.4
SSW
13
0.6
NW
12
0.5
NW
12
0.5
NW
11
0.5
NW
11
0.5
SE
10
0.5
SE
9
0.6
SE
9
0.5
SE
7
0.5
SE
7
0.5
SE
6
0.5
SE
6
0.4
SSW
17
0.5
SE
9
0.4
SSW
16
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.6
NW
15
0.6
NW
15
0.7
N
10
Energy kJ
89
89
87
56
87
66
61
59
45
42
52
23
21
19
18
100
41
86
41
41
41
143
174
90
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
11
0.4
SE
11
0.4
SE
11
0.4
N
7
0.4
SSW
13
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.5
NW
11
0.4
NW
11
0.4
NW
11
0.4
NW
11
0.4
NW
10
0.4
NW
10
0.4
SSW
18
0.4
SE
6
0.4
SSW
16
0.4
NW
10
0.4
E
8
0.4
NW
16
0.4
NW
16
0.5
S
16
0.4
SSW
15
0.4
SE
9
Energy kJ
18
41
40
15
55
48
48
47
58
41
41
40
37
35
102
9
87
24
18
96
89
127
72
29
Wind waves
Height (m)
Direction
Period (s)
1.1
ENE
8
1.1
ENE
8
1.1
ENE
8
0.9
ENE
8
0.4
N
6
0.4
N
6
0.3
N
6
0.6
ENE
7
0.6
NE
3
0.7
NE
8
0.6
NE
3
0.5
ENE
4
0.3
NE
8
0.5
ENE
4
Energy kJ
128
131
131
102
11
12
7
29
6
65
9
7
10
7
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
Distance (km)
16
16
16
10
10
0
0
11
0
0
0
0
0
0
31
31
12
0
0
10
10
10
15
12
Best forecast wave conditions in Kaua'i
Rating
(10 max)
1
3
3
3
3
2
2
2
2
2
2
1
1
2
1
1
1
2
2
3
4
4
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
3
3
2
2
2
2
3
2
3
2
2
2
2
2
2
3
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
5
5
4
5
5
5
9
9
7
6
6
5
8
5
6
5
5
5
6
6
5
  • 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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