Ammonias Surf Break

Lat Long: 21.95° N 159.35° W

Issued: 1 am 25 Jun 2026 (local time)

Forecast update in  hr  min

Today's Ammonias sea temperature is
26.0° C

Normal for this time of year

Ammonias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Ammonias surf forecast from 25 Jun 2026:

  • Most powerful swell: Wednesday 1 Jul, 5PM (local time) - 7ft (2.2m), 8s period, ENE swell with 630 kJ wave energy.

Best Forecast Surf Conditions for Ammonias this week:

The most powerful waves expected at Ammonias in the next 16 days are 2.2m 8s and forecast to arrive on Wednesday (Jul 01) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5PM (Wed 1st Jul)7ft (2.2m) 8s

Table - best surf conditions forecast for Ammonias over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 7mm), mostly falling on Thu afternoon. Warm (max 26°C on Fri afternoon, min 24°C on Thu morning). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 17mm), heaviest on Tue night. Warm (max 26°C on Mon afternoon, min 23°C on Sun night). Wind will be generally light.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
0
0
1
0
0
0
0
0
1
0
0
0
1
1
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
16
1.7
ENE
7
1.9
ENE
7
1.8
ENE
8
1.8
ENE
8
1.9
ENE
8
1.9
ENE
8
2
ENE
8
1.9
ENE
8
1.7
ENE
8
1.5
ENE
8
0.8
SSW
16
1.5
ENE
8
1.4
ENE
8
1.7
ENE
7
1.6
ENE
8
1.7
ENE
8
1.7
ENE
8
2
ENE
8
2.2
ENE
8
2.2
ENE
8
Wave Graph
Metric surfscale
Energy kJ
341
270
400
383
383
419
416
460
450
364
284
346
263
225
302
296
302
345
527
630
630
Wind (km/h)
25
ENE
25
ENE
20
ENE
25
ENE
20
ENE
25
ENE
25
ENE
25
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
E
25
E
25
ENE
25
ENE
25
NE
25
ENE
25
ENE
25
ENE
25
ENE
Wind State
cross
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross
cross
High Tide
1:59PM0.59m
00:16AM0.18m
2:33PM0.63m
1:12AM0.17m
3:07PM0.65m
1:58AM0.17m
3:40PM0.66m
2:37AM0.18m
4:13PM0.66m
3:14AM0.19m
4:46PM0.66m
3:53AM0.20m
5:18PM0.65m
4:37AM0.20m
Low Tide
10:08PM0.17m
6:23AM-0.02m
10:33PM0.15m
7:01AM-0.03m
10:54PM0.14m
7:40AM-0.04m
11:15PM0.14m
8:18AM-0.04m
11:39PM0.13m
8:56AM-0.04m
00:05AM0.13m
9:33AM-0.02m
00:33AM0.12m
part cloud
thunderstorm
rain showers
rain showers
clear
clear
clear
clear
rain showers
rain showers
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:56
5:56
5:56
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:23
7:23
7:23
7:23
7:23
7:23
7:23
 mm
1
3
1
2
1
2
2
2
1
2
7
6
3
3
Temp °C
25
25
24
25
26
24
26
26
24
25
25
24
25
26
25
25
26
24
25
25
24
Feels °C
24
24
23
24
25
23
24
25
23
24
24
23
25
26
25
25
26
24
25
25
24
Swell 1
Height (m)
Direction
Period (s)
0.8
SSW
16
0.7
SE
8
0.7
SE
8
0.6
SSW
14
0.6
SSE
9
0.6
SSE
9
0.5
SE
9
0.6
S
20
0.7
SSW
18
0.6
S
18
0.7
SSW
16
0.8
SSW
16
0.7
SSW
15
1.4
ENE
8
0.7
SSW
15
0.7
SE
9
0.6
SSE
9
0.7
SSW
13
0.7
SSW
14
0.7
SSW
14
0.6
SSW
14
Energy kJ
341
70
65
163
50
56
41
276
329
227
273
346
228
214
222
84
59
184
180
183
125
Swell 2
Height (m)
Direction
Period (s)
0.6
SE
8
0.7
SSW
16
0.6
SSW
14
0.6
SSE
9
0.6
SSW
14
0.5
S
13
0.4
SSW
20
0.4
SSW
12
0.4
SSW
12
0.4
SSW
12
0.6
SE
10
0.4
SE
10
0.5
SE
6
0.7
SSW
15
0.6
SSE
9
0.6
SSW
14
0.6
SSW
13
0.6
SSE
10
0.6
SSE
10
0.5
SE
10
0.5
SE
9
Energy kJ
55
259
165
52
152
89
129
51
48
45
79
24
21
225
54
143
141
63
63
45
41
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
12
0.3
SE
12
0.3
SE
12
0.4
SW
18
0.2
SSW
18
0.3
SSW
16
0.4
SSW
13
0.4
SE
11
0.4
SE
11
0.4
SE
10
0.3
SSW
11
0.3
SSW
11
0.4
SSE
9
0.6
SSE
9
0.3
SSW
9
0.4
SW
14
0.4
SW
16
0.2
W
15
0.2
W
14
0.2
WNW
14
0.3
S
12
Energy kJ
23
22
22
80
31
51
57
29
29
25
25
22
34
54
17
53
61
17
15
18
26
Wind waves
Height (m)
Direction
Period (s)
1.7
ENE
7
1.7
ENE
7
1.9
ENE
7
1.8
ENE
8
1.8
ENE
8
1.9
ENE
8
1.9
ENE
8
2
ENE
8
1.9
ENE
8
1.7
ENE
8
1.5
ENE
8
1.6
ENE
8
1.5
ENE
8
1.7
ENE
7
1.6
ENE
8
1.7
ENE
8
1.7
ENE
8
2
ENE
8
2.2
ENE
8
2.2
ENE
8
Energy kJ
256
270
400
383
383
419
416
460
450
364
284
308
263
302
296
302
345
527
630
630
Nearest Offshore or Glassy
Rating
(10 max)
3
2
2
3
3
1
3
3
3
3
2
2
2
2
2
1
1
2
1
3
2
Distance (km)
31
122
46
31
31
16
31
33
16
31
16
16
31
38
16
16
16
16
38
33
16
Best forecast wave conditions in Kaua'i
Rating
(10 max)
3
2
3
3
2
3
3
3
3
3
3
2
2
2
2
2
2
1
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
2
4
3
3
2
3
3
4
4
3
4
2
2
2
3
2
2
4
3
4
Header Global
Rating
(10 max)
5
5
6
8
5
6
5
8
7
5
8
5
5
5
5
6
5
5
5
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
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Information about the Ammonias Surf forecast

The above surf forecast table for Ammonias provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ammonias can be found by selecting the local surf guide option on the grey menu. Our Ammonias surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Ammonias) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Ammonias may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a vacation in Kaua'i? If you are looking for accommodation near Ammonias, camping, hotels and condos and appartments in Kaua'i, consider staying in Nawiliwili which is 2 km (1 miles) away. Alternatively, find information about places to stay and car hire in Lihue - Kauai which is 3 km (2 miles) away

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