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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 7 am Friday 01 May 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
24.5° C
(Which is normal for this time of year)How big are the waves at Ammonias today?
The current surf forecast for Ammonias at 1PM is: 2.2m 8s primary swell from a East-northeast direction and 0.5m 16s secondary swell from a South direction (forecast issued at 07:00am May 01). An open ocean swell of 0.5m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 7ft (2.2m) | 7s |
| Afternoon (01 May) | 6.5ft (2.0m) | 8s |
| Evening (01 May) | 6ft (1.8m) | 8s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Fri morning. Warm (max 24°C on Fri afternoon, min 22°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 1 | Saturday 2 | Sunday 3 | Mon 4 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | S 16 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
311 | 446 | 557 | 481 | 434 | 383 | 358 | 322 | 310 | 283 | 283 | 283 | 276 | 268 | 245 | 204 | 201 | 186 | 202 | 221 | 231 | 196 | 196 | 212 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | |
High Tide | 2:46AM0.24m | 4:09PM0.59m | 3:12AM0.20m | 4:42PM0.59m | 3:38AM0.18m | 5:18PM0.59m | ||||||||||||||||||
Low Tide | 8:39AM-0.07m | 11:00PM0.11m | 9:04AM-0.06m | 11:49PM0.12m | 9:31AM-0.05m | 00:42AM0.12m | ||||||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | | | | |
 | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | 6:03 |
 | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | 7:04 |
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 23 | 23 | 24 | 24 | 23 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 23 | 23 | 22 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 22 |
20 | 20 | 20 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 22 | 23 | 22 | 22 | 22 | 23 | 22 | 22 | 22 | 22 | 21 | |
Swell 1 Height (m) Direction Period (s) | NNW 12 | NNW 12 | S 15 | NNW 12 | S 16 | S 16 | S 16 | S 16 | NW 15 | S 14 | NW 14 | S 14 | S 14 | S 14 | S 16 | S 16 | SSW 16 | S 16 | S 13 | S 14 | S 14 | S 14 | SSW 14 | S 14 |
 kJ | 85 | 82 | 110 | 79 | 177 | 186 | 129 | 127 | 137 | 195 | 164 | 150 | 106 | 153 | 245 | 131 | 201 | 131 | 128 | 142 | 150 | 153 | 165 | 150 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | S 15 | NNW 12 | S 16 | NNW 12 | NNW 12 | NW 16 | NW 15 | S 16 | NW 15 | S 14 | NW 14 | NW 14 | NNW 14 | NW 13 | S 13 | S 13 | S 13 | SSW 16 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 |
| kJ | 72 | 110 | 81 | 139 | 53 | 53 | 129 | 78 | 131 | 171 | 150 | 99 | 93 | 71 | 57 | 87 | 86 | 86 | 51 | 50 | 48 | 43 | 42 | 30 |
Swell 3 Height (m) Direction Period (s) | S 17 | SSW 11 | SSW 18 | S 15 | NNW 19 | NW 16 | NNW 12 | NNW 12 | SSW 13 | SE 9 | SSW 18 | SSW 18 | SSW 18 | NW 13 | SE 8 | NW 13 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SSW 20 | SW 19 |
| kJ | 53 | 24 | 62 | 67 | 34 | 91 | 58 | 56 | 60 | 12 | 104 | 103 | 103 | 44 | 18 | 42 | 10 | 10 | 9 | 6 | 6 | 6 | 37 | 96 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 311 | 446 | 557 | 481 | 434 | 383 | 358 | 322 | 310 | 283 | 283 | 283 | 276 | 268 | 237 | 204 | 186 | 186 | 202 | 221 | 231 | 196 | 196 | 212 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 46 | 38 | 46 | 16 | 16 | 16 | 16 | 16 | 16 | 31 | 31 | 31 | 16 | 16 | 16 | 16 | 16 | 31 | 31 | 16 | 16 | 16 | 16 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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