Surf Forecasts:
How big are the waves at Ammonias today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 3.5ft (1.0m), 13s period with S swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 3.5ft (1.1m), 14s period with S swell.
- Evening surf: Evening surf (18 Jun, local time) - 3.5ft (1.1m), 14s period with S swell.
The current surf forecast for Ammonias at 5AM is: 0.8m 16s primary swell from a South direction and 0.9m 13s secondary swell from a South-southwest direction (forecast issued at 01:00am June 18). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 3.5ft (1.0m) | 13s |
| Afternoon (18 Jun) | 3.5ft (1.1m) | 14s |
| Evening (18 Jun) | 3.5ft (1.1m) | 14s |
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 26°C on Thu morning, min 24°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 16 | S 16 | S 13 | S 16 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 16 | S 12 | S 12 | S 15 | S 15 | S 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 325 | 325 | 340 | 697 | 503 | 496 | 496 | 496 | 405 | 383 | 345 | 276 | 276 | 276 | 276 | 219 | 215 | 212 | 183 | 139 | 134 | 357 | 347 | 150 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | on | glassy | glassy | glassy | glassy | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross |
High Tide | 6:09AM0.18m | 7:02PM0.63m | 7:34AM0.21m | 7:43PM0.56m | 9:10AM0.25m | 8:22PM0.48m | ||||||||||||||||||
Low Tide | 1:45AM0.08m | 11:19AM-0.00m | 2:27AM0.07m | 12:15PM0.08m | 3:05AM0.05m | 1:23PM0.17m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 23 | 24 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 24 |
Feels °C | 27 | 26 | 26 | 28 | 28 | 29 | 28 | 29 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | S 13 | S 16 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 15 | S 15 | S 15 |
| kJ | 269 | 277 | 340 | 697 | 503 | 496 | 496 | 496 | 405 | 383 | 345 | 276 | 276 | 276 | 276 | 219 | 215 | 212 | 158 | 139 | 134 | 357 | 347 | 150 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | ENE 10 | ENE 10 | ENE 9 | NE 9 | NE 9 | SE 12 | SE 12 | ENE 8 | SE 12 | SE 12 | S 18 | ENE 6 | ENE 5 | E 5 | S 16 | S 16 | S 16 | S 16 | SE 7 | SE 11 | S 12 |
| kJ | 325 | 325 | 252 | 81 | 81 | 73 | 39 | 39 | 72 | 72 | 47 | 71 | 69 | 155 | 31 | 33 | 20 | 190 | 183 | 127 | 81 | 14 | 58 | 97 |
Swell 3 Height (m) Direction Period (s) | ENE 5 | ENE 10 | ENE 10 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | NE 9 | NE 9 | SE 12 | S 19 | S 18 | SE 12 | S 18 | S 18 | S 17 | E 5 | E 5 | SE 7 | SE 7 | SE 11 | NNW 8 | SE 11 |
| kJ | 30 | 105 | 83 | 84 | 83 | 80 | 75 | 73 | 38 | 38 | 71 | 113 | 102 | 69 | 160 | 158 | 144 | 13 | 15 | 12 | 13 | 19 | 6 | 57 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | ENE 8 | ENE 8 | ENE 5 | — | — | — | — | — | E 5 | ENE 6 | ENE 6 | ENE 5 | ENE 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 45 | 59 | 33 | — | — | — | — | — | 13 | 27 | 33 | 30 | 39 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 16 | 31 | 12 | 0 | 0 | 0 | 0 | 10 | 14 | 12 | 12 | 10 | 12 | 12 | 12 | 31 | 31 | 31 | 31 | 16 | 12 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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