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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 Wednesday 27 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 (27 May):
- Morning surf: Morning surf (27 May, local time) - 6ft (1.8m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (27 May, local time) - 6ft (1.8m), 7s period with ENE swell.
- Evening surf: Evening surf (27 May, local time) - 5.5ft (1.7m), 7s period with ENE swell.
The current surf forecast for Ammonias at 2PM is: 1.7m 7s primary swell from a East-northeast direction and 0.6m 14s secondary swell from a South direction (forecast issued at 07:00am May 27). An open ocean swell of 0.6m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 6ft (1.8m) | 7s |
| Afternoon (27 May) | 6ft (1.8m) | 7s |
| Evening (27 May) | 5.5ft (1.7m) | 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 3mm), mostly falling on Wed afternoon. Warm (max 25°C on Fri afternoon, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | 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 | |
400 | 363 | 314 | 294 | 349 | 279 | 334 | 344 | 297 | 286 | 247 | 240 | 217 | 242 | 332 | 445 | 441 | 530 | 624 | 753 | 738 | 700 | 649 | 627 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross-on | cross | |
High Tide | 2:18PM0.55m | 00:59AM0.23m | 2:50PM0.59m | 1:35AM0.20m | 3:21PM0.62m | |||||||||||||||||||
Low Tide | 6:40AM-0.05m | 9:11PM0.17m | 7:04AM-0.06m | 10:02PM0.15m | 7:30AM-0.06m | 10:44PM0.13m | ||||||||||||||||||
 |  | |  |  |  | | |  | | | | | | |  | | | | | | | | | |
 | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | 5:52 |
 | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | 7:15 |
— | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — | |
Temp °C | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 |
20 | 21 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 24 | 23 | 22 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | 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 |
 kJ | 148 | 146 | 196 | 140 | 131 | 125 | 123 | 121 | 117 | 110 | 105 | 103 | 103 | 102 | 332 | 445 | 441 | 530 | 624 | 753 | 738 | 700 | 649 | 627 |
Swell 2 Height (m) Direction Period (s) | WNW 15 | NW 14 | WNW 14 | WNW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NNE 11 | S 22 | S 12 | S 12 | N 12 | S 11 | S 11 | S 11 | N 9 | NNE 11 | S 13 | S 13 |
| kJ | 144 | 102 | 133 | 125 | 87 | 84 | 84 | 55 | 52 | 52 | 51 | 51 | 40 | 242 | 100 | 98 | 106 | 64 | 63 | 63 | 44 | 66 | 121 | 119 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | NNE 12 | NNE 12 | NNE 13 | NW 12 | NNE 11 | NNE 11 | N 10 | S 12 | N 10 | N 10 | N 10 | S 11 | S 11 | NNE 11 | NNE 9 |
| kJ | 12 | 18 | 18 | 18 | 11 | 33 | 32 | 17 | 17 | 48 | 30 | 32 | 50 | 39 | 38 | 56 | 66 | 49 | 48 | 47 | 61 | 61 | 65 | 29 |
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 | 400 | 363 | 314 | 294 | 349 | 279 | 334 | 344 | 297 | 286 | 247 | 240 | 217 | 227 | 239 | 255 | 227 | 244 | 206 | 206 | 212 | 223 | 254 | 273 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 16 | 16 | 31 | 33 | 16 | 38 | 16 | 16 | 16 | 16 | 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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