Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 16 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
24.5° C
(Which is slightly cooler than normal)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 5PM is: 1.5m 8s primary swell from a East-northeast direction and 0.5m 16s secondary swell from a South-southwest direction (forecast issued at 01:00pm May 16). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (16 May)5ft (1.5m)8s
Afternoon (16 May)5ft (1.5m)8s
Evening (16 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

Moderate rain (total 12mm), heaviest on Sun night. Warm (max 25°C on Sat afternoon, min 23°C on Sun night). Wind will be generally light.

Sat
16
Sunday
17
Monday
18
Tue
19
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)
0
0
0
1
1
1
1
2
0
1
1
1
0
0
0
0
0
0
0
1
1
1
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.6
ENE
8
1.5
ENE
8
1.5
ENE
8
1.4
ENE
8
1.5
ENE
8
1.4
ENE
8
1.4
ENE
8
1.3
ENE
8
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
1.7
ENE
8
1.8
ENE
8
2
ENE
8
2
ENE
8
2
ENE
8
2
ENE
8
2
ENE
7
1.8
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
Wave Graph
Metric surfscale
Energy kJ
319
291
277
250
273
250
250
217
249
270
270
270
306
376
408
486
472
460
426
415
365
306
295
287
Wind (km/h)
20
ENE
15
ENE
15
ENE
15
ENE
10
NE
10
NE
10
NE
10
NE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
E
20
ENE
25
ENE
25
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
High Tide
4:08PM0.71m
3:09AM0.17m
4:56PM0.72m
3:55AM0.15m
5:47PM0.71m
4:48AM0.13m
Low Tide
8:27AM-0.14m
11:19PM0.09m
9:06AM-0.15m
00:21AM0.09m
9:49AM-0.13m
1:27AM0.09m
thunderstorm
thunderstorm
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:08
7:09
7:09
7:10
1
1
1
1
2
1
1
1
2
1
1
Temp °C
24
25
25
24
24
24
24
24
25
25
25
24
23
23
23
24
24
24
24
23
23
23
23
24
25
26
26
26
27
27
27
26
26
25
25
25
23
23
23
24
23
23
24
23
23
23
23
24
Swell 1
Height (m)
Direction
Period (s)
1.6
ENE
8
1.5
ENE
8
1.5
ENE
8
1.4
ENE
8
1.5
ENE
8
1.4
ENE
8
1.4
ENE
8
1.3
ENE
8
1
SE
9
0.9
SE
9
0.9
SSE
11
0.8
SSW
15
0.8
SSW
15
0.8
SSE
10
1.8
ENE
8
0.7
SE
10
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
13
0.7
SSW
13
0.7
SSW
14
0.8
SSW
14
Energy kJ
319
291
277
250
273
250
250
217
173
128
204
249
242
133
408
102
233
229
166
161
158
158
161
226
Swell 2
Height (m)
Direction
Period (s)
0.5
SW
14
0.6
SSE
10
0.5
SSW
16
0.6
SSE
10
0.4
SSW
17
0.6
SSW
15
0.7
SE
10
1
SE
10
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.7
SE
8
0.6
SSE
8
0.8
SSW
14
0.8
SSE
10
0.8
SSW
14
0.7
SSE
10
0.6
SSW
19
0.5
SSW
19
0.4
SSE
10
0.4
SSE
7
0.5
SE
7
0.5
S
17
0.6
SSW
18
Energy kJ
103
69
151
65
113
146
96
184
249
249
249
57
37
239
130
233
88
251
212
38
21
25
149
207
Swell 3
Height (m)
Direction
Period (s)
0.5
SE
10
0.5
SW
14
0.4
SSE
10
0.5
SSW
16
0.4
SSE
10
0.5
SSE
12
0.5
SSW
16
0.6
SSW
14
0.4
SSE
11
0.4
SSE
11
0.4
SSW
21
0.6
SSE
11
0.6
SSE
10
0.3
SSW
18
0.8
SSW
14
0.3
SSW
18
0.6
SSW
19
0.5
SE
10
0.5
SE
10
0.4
SSE
7
0.4
SE
10
0.4
SSW
17
0.4
SSE
7
0.4
SSE
7
Energy kJ
47
102
40
153
36
78
147
138
41
48
180
75
73
61
236
64
251
49
48
19
25
92
19
18
Wind waves
Height (m)
Direction
Period (s)
1.3
ENE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
1.5
ENE
8
1.7
ENE
8
2
ENE
8
2
ENE
8
2
ENE
8
2
ENE
8
2
ENE
7
1.8
ENE
8
1.6
ENE
8
1.6
ENE
8
1.6
ENE
8
Energy kJ
232
270
270
270
306
376
486
472
460
426
415
365
306
295
287
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
1
2
2
2
3
3
2
2
2
2
2
2
2
3
3
2
3
2
2
2
Distance (km)
31
31
31
16
10
10
10
10
31
31
16
16
16
31
31
16
31
31
31
16
16
16
16
16
Best forecast wave conditions in Kaua'i
Rating
(10 max)
2
2
2
2
2
2
2
3
3
3
3
3
2
2
2
2
2
3
3
3
3
3
2
3
Best forecast wave conditions in United States
Rating
(10 max)
4
3
3
4
2
2
9
7
4
4
5
7
4
4
5
4
4
4
4
4
4
4
4
3
Header Global
Rating
(10 max)
5
5
4
4
6
9
9
7
4
4
5
7
5
4
5
4
4
4
4
5
5
4
4
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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ammonias surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest