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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 Thursday 28 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
25.1° C
(Which is normal for this time of year)How big are the waves at Ammonias today (28 May):
- Morning surf: Morning surf (28 May, local time) - 5ft (1.6m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 5ft (1.6m), 7s period with ENE swell.
- Evening surf: Evening surf (28 May, local time) - 5ft (1.6m), 7s period with ENE swell.
The current surf forecast for Ammonias at 7AM is: 1.7m 7s primary swell from a East-northeast direction and 0.6m 13s secondary swell from a South direction (forecast issued at 01:00am May 28). An open ocean swell of 0.4m 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 (28 May) | 5ft (1.6m) | 7s |
| Afternoon (28 May) | 5ft (1.6m) | 7s |
| Evening (28 May) | 5ft (1.6m) | 7s |
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 Thu night. Warm (max 25°C on Sat afternoon, min 22°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 30 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 21 | S 21 | S 21 | S 20 | S 20 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 | S 17 | S 17 | S 17 | S 16 | S 16 | SSW 16 | |
310 | 301 | 278 | 229 | 240 | 237 | 242 | 332 | 445 | 441 | 530 | 624 | 753 | 738 | 700 | 649 | 627 | 613 | 600 | 596 | 562 | 535 | 529 | 421 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 00:59AM0.23m | 2:50PM0.59m | 1:35AM0.20m | 3:21PM0.62m | 2:11AM0.18m | 3:54PM0.64m | ||||||||||||||||||
Low Tide | 7:04AM-0.06m | 10:02PM0.15m | 7:30AM-0.06m | 10:44PM0.13m | 8:00AM-0.06m | |||||||||||||||||||
 |  |  | | | | |  |  | |  | | | | | | | |  | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — |
— | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 24 | 25 | 24 | 23 | 23 |
21 | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 22 | 23 | 22 | 23 | 22 | 22 | 22 | 21 | 22 | 23 | 24 | 24 | 23 | 24 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 21 | S 21 | S 21 | S 20 | S 20 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 | S 17 | S 17 | S 17 | S 16 | S 16 | SSW 16 |
 kJ | 121 | 117 | 109 | 105 | 103 | 103 | 102 | 332 | 445 | 441 | 530 | 624 | 753 | 738 | 700 | 649 | 627 | 613 | 600 | 596 | 562 | 535 | 529 | 421 |
Swell 2 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NNE 11 | S 22 | S 12 | S 12 | NNE 12 | S 11 | S 11 | S 11 | N 10 | N 11 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | N 9 |
| kJ | 55 | 52 | 52 | 51 | 51 | 40 | 242 | 100 | 98 | 115 | 64 | 63 | 63 | 48 | 61 | 121 | 119 | 103 | 102 | 69 | 68 | 68 | 66 | 55 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | NNE 12 | NNE 12 | NNE 13 | NW 12 | NNE 11 | NNE 11 | N 11 | S 12 | NNE 10 | NNE 10 | NNE 10 | S 11 | S 11 | SE 6 | NNE 10 | NNE 11 | NNE 10 | NNW 10 | NNW 10 | N 10 | N 9 | S 11 |
| kJ | 23 | 17 | 48 | 30 | 32 | 50 | 39 | 38 | 57 | 66 | 32 | 31 | 31 | 61 | 61 | 19 | 31 | 37 | 36 | 31 | 31 | 47 | 38 | 61 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 310 | 301 | 278 | 229 | 240 | 237 | 227 | 240 | 220 | 195 | 227 | 200 | 206 | 200 | 210 | 229 | 247 | 225 | 218 | 197 | 163 | 148 | 127 | 134 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 16 | 16 | 16 | 31 | 16 | 16 | 16 | 16 | 16 | 16 | 31 | 33 | 31 | 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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