Surf Forecasts:
How big are the waves at Ammonias today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 3ft (0.9m), 19s period with S swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 3.5ft (1.1m), 18s period with S swell.
- Evening surf: Evening surf (12 Aug, local time) - 3.5ft (1.1m), 17s period with S swell.
The current surf forecast for Ammonias at 7AM is: 0.8m 19s primary swell from a South direction and 0.9m 13s secondary swell from a South-southwest direction, 1.1m 7s secondary swell from a East direction (forecast issued at 01:00am August 12). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 3ft (0.9m) | 19s |
| Afternoon (12 Aug) | 3.5ft (1.1m) | 18s |
| Evening (12 Aug) | 3.5ft (1.1m) | 17s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Wed morning, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||||||||||
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 20 | S 19 | S 19 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 373 | 480 | 465 | 515 | 749 | 741 | 733 | 667 | 1178 | 1164 | 1149 | 1004 | 979 | 784 | 743 | 743 | 743 | 743 | 614 | 598 | 496 | 496 | 489 | 489 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off |
High Tide | 3:06AM0.30m | 4:02PM0.71m | 3:54AM0.34m | 4:34PM0.66m | 4:44AM0.37m | 5:03PM0.59m | ||||||||||||||||||
Low Tide | 8:43AM-0.04m | 10:44PM0.10m | 9:30AM-0.00m | 11:09PM0.08m | 10:17AM0.05m | |||||||||||||||||||
 |  |  |  | | | | | | | | | | | | | | | | | | | | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 25 | 26 |
Feels °C | 26 | 27 | 27 | 27 | 27 | 26 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 26 | 25 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 |
| kJ | 299 | 307 | 294 | 289 | 749 | 741 | 733 | 667 | 1178 | 1164 | 1149 | 1004 | 979 | 784 | 743 | 743 | 743 | 743 | 614 | 598 | 496 | 496 | 489 | 489 |
Swell 2 Height (m) Direction Period (s) | S 20 | S 19 | S 19 | S 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SE 9 | SE 9 | WNW 12 | W 12 | SE 9 | SE 9 | SE 9 | SE 9 | W 12 | W 12 | W 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 13 |
| kJ | 373 | 480 | 465 | 515 | 289 | 289 | 273 | 218 | 22 | 22 | 27 | 25 | 22 | 14 | 21 | 21 | 10 | 24 | 25 | 21 | 21 | 21 | 36 | 57 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | W 12 | WNW 12 | SW 19 | SW 19 | W 12 | W 11 | W 11 | W 11 | SE 12 | SE 12 | SE 12 | W 12 | W 12 | W 11 | W 11 | W 11 |
| kJ | 37 | 36 | 36 | 36 | 37 | 19 | 20 | 21 | 25 | 27 | 14 | 14 | 24 | 23 | 22 | 10 | 6 | 22 | 23 | 11 | 11 | 22 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | ENE 7 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 150 | 127 | 132 | 123 | 134 | 134 | 139 | 139 | 145 | 150 | 165 | 188 | 165 | 177 | 183 | 233 | 299 | 293 | 345 | 310 | 345 | 346 | 375 | 397 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 10 | 31 | 31 | 31 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 31 | 33 | 16 | 16 | 16 | 16 | 31 | 31 | 31 | 31 | 31 | 31 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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