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Surf Forecasts:

Ammonias surfForecast / HAW – Kaua'i / USA

information circle48hr Weather and Surf, issued 7 pm Monday 27 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
24.7° C
 (Which is normal for this time of year)

How big are the waves at Ammonias today?

The current surf forecast for Ammonias at 2AM is: 1.7m 7s primary swell from a East-northeast direction and 0.5m 13s secondary swell from a Southwest direction (forecast issued at 07:00pm April 27). An open ocean swell of 0.2m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (28 Apr)4.5ft (1.3m)7s
Afternoon (28 Apr)3.5ft (1.1m)7s
Evening (28 Apr)3.5ft (1.1m)7s

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

Light rain (total 7mm), mostly falling on Mon night. Warm (max 24°C on Tue morning, min 22°C on Mon night). Wind will be generally light.

Mon
27
Tuesday
28
Wednesday
29
Thu
30
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
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)
1.3
ENE
8
1.6
ENE
7
1.8
ENE
7
1.7
ENE
7
1.5
ENE
7
1.3
ENE
7
1.2
ENE
7
1.2
ENE
7
1.1
ENE
7
1.1
ENE
7
1.2
ENE
7
1.3
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.3
ENE
7
1.2
ENE
7
1.3
ENE
7
1.2
ENE
6
1.2
ENE
6
1.3
ENE
6
1.4
ENE
6
1.6
ENE
6
1.7
ENE
7
Wave Graph
Metric surfscale
Energy kJ
187
263
325
293
212
162
124
136
113
117
124
145
188
183
178
158
132
138
90
93
102
131
185
241
Wind (km/h)
15
ENE
20
ENE
25
ENE
20
ENE
20
NE
20
ENE
20
ENE
20
ENE
20
NE
25
NE
20
ENE
20
ENE
20
NE
25
NE
25
NE
25
NE
25
NE
25
NE
25
NE
20
NE
25
ENE
25
ENE
30
ENE
25
NE
Wind State
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
1:21AM0.37m
2:32PM0.47m
1:51AM0.33m
3:05PM0.52m
2:19AM0.28m
Low Tide
7:37PM0.12m
7:39AM-0.03m
8:33PM0.12m
7:57AM-0.05m
9:24PM0.12m
8:17AM-0.07m
clear
part cloud
rain showers
rain showers
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
6:07
—
—
—
—
—
—
—
6:07
—
—
—
—
—
—
—
6:05
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
—
—
—
—
—
—
—
7:01
—
—
—
—
—
—
—
7:01
—
—
—
—
—
—
7:01
 mm
—
—
1
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
1
1
1
Temp °C
25
23
23
22
22
23
24
24
24
23
23
23
22
22
23
24
23
23
22
22
22
22
23
23
Feels °C
25
22
22
21
21
22
23
23
23
22
22
22
21
20
21
22
21
21
20
21
20
20
20
20
Swell 1
Height (m)
Direction
Period (s)
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.4
SSW
13
0.4
SSW
12
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.3
NW
13
0.4
NW
12
0.4
SW
12
0.3
NW
12
0.3
NNW
14
0.3
NNW
14
0.4
NW
14
0.4
NW
13
0.5
NW
13
0.5
NW
12
0.6
NNW
12
0.6
NNW
12
0.6
NNW
12
0.6
NNW
12
Energy kJ
84
84
84
83
64
60
37
37
37
37
25
53
37
22
40
39
46
44
80
75
99
96
96
104
Swell 2
Height (m)
Direction
Period (s)
0.4
NW
10
0.4
NW
10
0.4
NW
10
0.2
NNW
10
0.3
SE
7
0.3
SE
7
0.4
NE
8
0.3
SE
7
0.3
SE
7
0.3
NW
13
0.4
SW
12
0.4
SW
12
0.3
NW
12
0.3
SW
12
0.3
NW
12
0.2
SSE
11
0.2
SSE
11
0.3
SE
8
0.3
SE
8
0.4
SE
10
0.4
SE
10
0.3
SSW
12
0.3
SSW
12
0.4
S
16
Energy kJ
27
27
27
10
8
8
18
9
8
27
37
37
22
22
21
11
11
11
11
24
24
28
28
82
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
7
0.3
SE
7
0.3
SE
6
0.3
SE
7
0.3
NE
8
0.3
NE
8
0.3
SE
7
0.3
NW
14
0.3
NW
13
0.3
SE
7
0.3
NE
8
0.3
NE
8
0.2
SSE
11
0.2
SSE
11
0.2
SSW
12
0.3
SSW
13
0.2
SSW
13
0.2
SSE
10
0.2
SSE
10
0.3
NE
9
0.3
SSW
12
0.3
SE
8
0.3
S
17
0.3
SSW
12
Energy kJ
13
7
7
7
11
11
8
29
28
8
10
10
12
12
14
34
17
10
10
13
28
10
50
28
Wind waves
Height (m)
Direction
Period (s)
1.3
ENE
8
1.6
ENE
7
1.8
ENE
7
1.7
ENE
7
1.5
ENE
7
1.3
ENE
7
1.2
ENE
7
1.2
ENE
7
1.1
ENE
7
1.1
ENE
7
1.2
ENE
7
1.3
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.3
ENE
7
1.2
ENE
7
1.3
ENE
7
1.2
ENE
6
1.2
ENE
6
1.3
ENE
6
1.4
ENE
6
1.6
ENE
6
1.7
ENE
7
Energy kJ
187
263
325
293
212
162
124
136
113
117
124
145
188
183
178
158
132
138
90
93
102
131
185
241
Nearest Offshore or Glassy
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
Infinities
HAW - Kaua'i
Infinities
HAW - Kaua'i
Pakalas
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
Infinities
HAW - Kaua'i
Infinities
HAW - Kaua'i
Infinities
HAW - Kaua'i
Polihale
HAW - Kaua'i
Pinetrees
HAW - Kaua'i
Polihale
HAW - Kaua'i
Infinities
HAW - Kaua'i
Polihale
HAW - Kaua'i
Waimea Rivermouth
HAW - Kaua'i
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
2
2
1
2
1
Distance (km)
16
16
16
16
31
31
31
31
31
31
31
16
16
16
16
31
31
31
45
33
45
31
45
33
Best forecast wave conditions in Kaua'i
Polihale
Majors Bay
Polihale
Polihale
Hideaways
Hanalei Bay
Majors Bay
Majors Bay
Polihale
Pakalas
Polihale
Hideaways
Hideaways
Polihale
Polihale
Majors Bay
Polihale
Majors Bay
Polihale
Hideaways
Polihale
Polihale
Polihale
Polihale
Rating
(10 max)
2
1
1
1
2
2
1
1
2
1
2
2
2
2
2
1
2
1
2
2
2
2
2
2
Best forecast wave conditions in United States
Fullers
CAL - Monterey
Boners
CAL - San Luis Obispo
Mouse Rock
CAL - San Luis Obispo
Ghost Tree
CAL - Monterey
Ghost Tree
CAL - Monterey
Hanalei Bay
HAW - Kaua'i
Ranches
HAW - Oahu
Off the Wall/Insanities
HAW - Oahu
Fullers
CAL - Monterey
Boners
CAL - San Luis Obispo
Ghost Tree
CAL - Monterey
Lincoln City Nelscott Reef
Oregon North
Mouse Rock
CAL - San Luis Obispo
Ranches
HAW - Oahu
Steamer Lane-Middle Peak
CAL - Santa Cruz
Tracks (Nanakuli)
HAW - Oahu
Steamer Lane-The Slot
CAL - Santa Cruz
Ranches
HAW - Oahu
Boners
CAL - San Luis Obispo
Mouse Rock
CAL - San Luis Obispo
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Steamer Lane-Middle Peak
CAL - Santa Cruz
Rating
(10 max)
2
2
2
2
2
2
1
2
2
2
2
3
2
2
2
2
2
2
3
2
2
2
2
3
Header Global
Gas Bay
Australia
Cobblestones
Australia
Cobblestones
Australia
Benkunqut
Indonesia
Easter Reef
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Whacky Point
South Africa
Amanzimtoti
South Africa
Glen Eden
South Africa
Barbel Point
South Africa
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Lebu
Chile
Amanzimtoti
South Africa
Lebu
Chile
Papatowai
New Zealand
Puertecillo
Chile
Dolphin Point
South Africa
Dolphin Point
South Africa
Boneyards
South Africa
Boneyards
South Africa
Rating
(10 max)
5
5
5
4
5
8
8
9
9
8
7
7
7
7
6
6
5
5
5
5
6
6
6
6
  • 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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