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Ammonias Surf Forecast
/ HAW – Kaua'i (25 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Ammonias surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 1 am Friday 24 Apr 2026 HSTForecast 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 9AM is: 0.4m 13s primary swell from a Southwest direction and 0.9m 5s secondary swell from a East-northeast direction (forecast issued at 01:00am April 24). An open ocean swell of 0.8m 10s is not directed at the surf break, a second open ocean swell of 0.6m 13s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | 1.5ft (0.4m) | 13s |
| Afternoon (24 Apr) | 1.5ft (0.4m) | 13s |
| Evening (24 Apr) | 1.5ft (0.4m) | 13s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Sun afternoon, min 22°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SW 14 | SW 14 | SSW 13 | ENE 5 | SW 13 | SW 13 | SW 13 | NE 5 | NE 6 | SW 15 | SW 15 | SW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | |
50 | 47 | 70 | 33 | 44 | 44 | 43 | 106 | 197 | 115 | 112 | 112 | 158 | 162 | 160 | 152 | 144 | 142 | 169 | 169 | 169 | 211 | 134 | 131 | |
Wind (km/h) | ||||||||||||||||||||||||
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High Tide | 11:24AM0.17m | 11:20PM0.50m | 12:28PM0.25m | 00:08AM0.47m | 1:16PM0.32m | |||||||||||||||||||
Low Tide | 6:19AM0.06m | 3:40PM0.09m | 6:42AM0.04m | 5:15PM0.11m | 7:02AM0.01m | 6:32PM0.12m | ||||||||||||||||||
 | |  |  | | |  |  | | |  | | | | | | | | | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 23 | 24 | 24 | 25 | 24 | 23 |
21 | 21 | 22 | 23 | 24 | 23 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 22 | 22 | 23 | 24 | 23 | 24 | 24 | 23 | |
Swell 1 Height (m) Direction Period (s) | W 14 | NNE 10 | NNE 10 | NNE 9 | W 12 | W 12 | W 12 | W 12 | W 12 | SW 15 | SW 15 | SW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | NE 8 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 |
 kJ | 140 | 122 | 105 | 98 | 113 | 75 | 72 | 71 | 71 | 115 | 112 | 112 | 158 | 162 | 160 | 152 | 144 | 142 | 210 | 169 | 169 | 211 | 134 | 131 |
Swell 2 Height (m) Direction Period (s) | SW 14 | W 13 | W 13 | W 13 | SW 13 | SW 13 | SW 13 | SSW 13 | SW 16 | W 12 | WNW 11 | WNW 11 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | SW 14 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NW 11 |
| kJ | 50 | 126 | 126 | 123 | 44 | 44 | 43 | 69 | 122 | 67 | 40 | 39 | 68 | 67 | 65 | 58 | 57 | 58 | 169 | 56 | 54 | 53 | 50 | 31 |
Swell 3 Height (m) Direction Period (s) | NNW 12 | SW 14 | SSW 13 | SSW 13 | SSW 16 | SSW 16 | NNW 12 | SSW 16 | NNW 14 | NNW 12 | NW 14 | NW 13 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | SE 8 | SE 8 | NNW 12 | SE 8 | SE 7 | SE 7 | SE 7 | SE 6 |
| kJ | 13 | 47 | 70 | 17 | 25 | 25 | 15 | 26 | 20 | 13 | 50 | 44 | 38 | 38 | 37 | 20 | 9 | 9 | 57 | 9 | 9 | 8 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | NE 10 | ENE 5 | ENE 5 | ENE 5 | NE 9 | NE 9 | NE 9 | NE 5 | NE 6 | NE 7 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | — | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 |
| kJ | 311 | 39 | 42 | 33 | 183 | 179 | 199 | 106 | 197 | 263 | 328 | 329 | 306 | 253 | 247 | 216 | 241 | 216 | — | 186 | 181 | 181 | 181 | 210 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 45 | 34 | 33 | 118 | 16 | 45 | 31 | 31 | 16 | 16 | 16 | 31 | 16 | 16 | 16 | 16 | 16 | 16 | 31 | 31 | 31 | 16 | 16 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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