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Surf Forecasts:

Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 am Saturday 25 Apr 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
25.3° C
 (Which is slightly warmer than usual)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 3PM is: 0.6m 16s primary swell from a South-southwest direction (forecast issued at 07:00am April 25). An open ocean swell of 0.4m 13s is not directed at the surf break, a second open ocean swell of 1.6m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (25 Apr)1.5ft (0.5m)15s
Afternoon (25 Apr)2ft (0.6m)16s
Evening (25 Apr)2ft (0.6m)15s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Moderate rain (total 10mm), heaviest on Mon night. Warm (max 25°C on Mon afternoon, min 22°C on Sat night). Wind will be generally light.

Saturday
25
Sunday
26
Monday
27
Tue
28
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
5 PM
8 PM
11 PM
2 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.6
SSW
15
0.6
SSW
16
0.6
SSW
16
0.6
SSW
15
0.6
SSW
15
0.6
SSW
15
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.7
SW
14
0.6
SSW
14
0.6
SSW
14
1.3
ENE
8
1.3
ENE
8
1.3
ENE
8
1.2
ENE
8
1.2
ENE
8
1.3
ENE
8
1.4
ENE
7
1.3
ENE
7
1.2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
115
112
112
158
162
160
152
144
142
169
169
169
211
134
131
203
198
178
154
150
187
207
188
148
Wind (km/h)
25
NE
25
NE
25
NE
20
NE
20
NE
20
NE
20
NE
15
NE
15
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
NE
20
ENE
15
ENE
15
ENE
15
E
20
E
20
ENE
15
ENE
25
ENE
25
ENE
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
High Tide
12:28PM0.25m
00:08AM0.47m
1:16PM0.32m
00:48AM0.42m
1:56PM0.40m
1:21AM0.37m
Low Tide
6:42AM0.04m
5:15PM0.11m
7:02AM0.01m
6:32PM0.12m
7:21AM-0.01m
7:37PM0.12m
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
clear
clear
clear
clear
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
—
—
—
—
—
—
—
6:09
—
—
—
—
—
—
—
6:07
—
—
—
—
—
—
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
7:00
—
—
—
—
—
—
—
7:00
—
—
—
—
—
—
—
7:00
—
—
7:01
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
—
—
—
—
1
2
2
Temp °C
22
23
24
24
24
23
23
22
22
23
24
24
24
23
23
23
22
23
24
25
24
24
23
23
Feels °C
20
21
21
22
22
22
22
22
22
22
23
23
23
23
23
23
23
23
24
25
24
24
22
22
Swell 1
Height (m)
Direction
Period (s)
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.6
SSW
15
0.6
SSW
16
0.6
SSW
16
0.6
SSW
15
0.6
SSW
15
0.6
SSW
15
0.6
SW
14
0.6
SW
14
0.6
SW
14
0.7
SW
14
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.6
SSW
13
0.6
SSW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
Energy kJ
115
112
112
158
162
160
152
144
142
169
169
169
211
134
131
123
121
118
116
85
84
84
84
83
Swell 2
Height (m)
Direction
Period (s)
0.5
W
12
0.4
WNW
11
0.4
WNW
11
0.4
NNW
13
0.4
NNW
13
0.4
NNW
13
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNW
11
0.4
NW
11
0.4
NW
11
0.4
NW
11
0.4
NW
11
0.4
NW
11
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
0.4
SE
7
Energy kJ
67
40
39
68
67
65
58
57
58
57
56
54
53
50
31
30
30
30
29
17
17
12
12
11
Swell 3
Height (m)
Direction
Period (s)
0.2
NNW
12
0.4
NW
14
0.4
NW
13
0.4
WNW
11
0.4
WNW
11
0.4
WNW
10
0.3
WNW
10
0.3
WNW
10
0.3
W
10
0.3
W
10
0.3
SE
8
0.3
SE
7
0.3
SE
7
0.2
W
9
0.2
SSE
13
0.2
NNE
10
0.3
SE
6
0.3
SE
7
0.4
SE
7
0.4
NW
11
0.4
NW
10
0.4
NW
10
0.4
NE
9
0.4
NE
8
Energy kJ
13
50
44
38
38
37
20
19
17
17
9
9
7
6
17
10
6
7
14
29
27
27
19
18
Wind waves
Height (m)
Direction
Period (s)
1.6
NE
7
1.6
NE
8
1.6
NE
8
1.6
NE
8
1.4
NE
8
1.4
NE
8
1.3
NE
8
1.3
NE
8
1.4
NE
8
1.5
NE
8
1.4
NE
8
1.4
NE
8
1.4
NE
8
1.4
NE
8
1.4
NE
8
1.3
ENE
8
1.3
ENE
8
1.3
ENE
8
1.2
ENE
8
1.2
ENE
8
1.3
ENE
8
1.4
ENE
7
1.3
ENE
7
1.2
ENE
7
Energy kJ
226
324
324
306
253
247
196
191
221
262
242
215
210
210
242
203
198
178
154
150
187
207
188
148
Nearest Offshore or Glassy
Acid Drops
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Infinities
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Infinities
HAW - Kaua'i
Infinities
HAW - Kaua'i
Infinities
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Infinities
HAW - Kaua'i
Infinities
HAW - Kaua'i
Infinities
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Acid Drops
HAW - Kaua'i
Infinities
HAW - Kaua'i
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
2
2
1
1
1
Distance (km)
16
16
16
31
16
16
16
16
16
16
31
31
31
16
16
16
16
16
31
31
31
16
16
31
Best forecast wave conditions in Kaua'i
Polihale
Polihale
Polihale
Majors Bay
Majors Bay
Polihale
Hideaways
Tunnels
Tunnels
Polihale
Polihale
Majors Bay
Hanalei Bay
Hideaways
Tunnels
Tunnels
Tunnels
Tunnels
Polihale
Pakalas
Majors Bay
Majors Bay
Polihale
Polihale
Rating
(10 max)
3
3
3
1
1
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
1
1
Best forecast wave conditions in United States
Lincoln City Nelscott Reef
Oregon North
Ranches
HAW - Oahu
Polihale
HAW - Kaua'i
The Dump
Washington
Westport-The Corner
Washington
Lincoln City Nelscott Reef
Oregon North
Lincoln City Nelscott Reef
Oregon North
Ranches
HAW - Oahu
Lincoln City Nelscott Reef
Oregon North
Off the Wall/Insanities
HAW - Oahu
Off the Wall/Insanities
HAW - Oahu
Ranches
HAW - Oahu
Off the Wall/Insanities
HAW - Oahu
Ranches
HAW - Oahu
Mouse Rock
CAL - San Luis Obispo
Mouse Rock
CAL - San Luis Obispo
Mouse Rock
CAL - San Luis Obispo
Ranches
HAW - Oahu
Tracks (Nanakuli)
HAW - Oahu
Ontonagon
Lake Superior
Fullers
CAL - Monterey
Cojo
CAL - Santa Barbara
Mouse Rock
CAL - San Luis Obispo
Boners
CAL - San Luis Obispo
Rating
(10 max)
3
3
3
2
3
3
3
3
4
3
3
2
3
2
2
2
2
2
2
2
2
2
2
2
Header Global
Asu
Indonesia
Dunedin - Bobs Beach
New Zealand
Dunedin - Bobs Beach
New Zealand
Papatowai
New Zealand
Kaka Point
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Gas Bay
Australia
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Noises
Australia
Cyclops
Australia
Gas Bay
Australia
Cobblestones
Australia
Trial Harbour
Australia
Cobblestones
Australia
Cobblestones
Australia
Cobblestones
Australia
Snake Park
South Africa
Easter Reef
Australia
Cow Bombie
Australia
Rating
(10 max)
4
5
5
8
5
7
6
5
7
7
9
9
8
7
5
6
6
6
5
5
5
5
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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