Surf Forecasts:
How big are the waves at Ammonias today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 4.5ft (1.4m), 16s period with S swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 4.5ft (1.4m), 16s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 4.5ft (1.3m), 15s period with S swell.
The current surf forecast for Ammonias at 1PM is: 1.4m 16s primary swell from a South direction and 1.6m 6s secondary swell from a East-northeast direction (forecast issued at 07:00am August 13). An open ocean swell of 0.3m 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 (13 Aug) | 4.5ft (1.4m) | 16s |
| Afternoon (13 Aug) | 4.5ft (1.4m) | 16s |
| Evening (13 Aug) | 4.5ft (1.3m) | 15s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Fri night. Warm (max 27°C on Thu morning, min 25°C on Thu night). Mainly fresh winds. | |||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||||||||||
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 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | E 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1164 | 1149 | 1004 | 979 | 784 | 743 | 743 | 743 | 743 | 614 | 598 | 496 | 496 | 489 | 482 | 570 | 669 | 824 | 979 | 1033 | 1162 | 1382 | 1646 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | 3:54AM0.34m | 4:34PM0.66m | 4:44AM0.37m | 5:03PM0.59m | 5:36AM0.41m | 5:29PM0.52m | |||||||||||||||||
Low Tide | 9:30AM-0.00m | 11:09PM0.08m | 10:17AM0.05m | 11:35PM0.07m | 11:06AM0.12m | ||||||||||||||||||
 |  | | | |  | | | |  | | | | |  | |  | |  | | | | | |
 | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | 1 | 1 | 1 |
Temp °C | 25 | 26 | 27 | 27 | 27 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 25 | 25 | 26 | 25 | 26 | 25 | 25 | 24 | 23 | 25 | 24 | 25 | 24 | 24 | 25 | 24 | 24 | 26 | 25 | 25 | 25 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | 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 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
| kJ | 1164 | 1149 | 1004 | 979 | 784 | 743 | 743 | 743 | 743 | 614 | 598 | 496 | 496 | 489 | 405 | 394 | 366 | 284 | 280 | 222 | 219 | 219 | 166 |
Swell 2 Height (m) Direction Period (s) | SE 9 | W 12 | W 12 | W 12 | W 11 | SE 9 | W 11 | W 12 | W 12 | W 12 | W 12 | SE 12 | SE 12 | SE 12 | SE 13 | SE 13 | W 11 | W 11 | W 13 | S 16 | S 16 | S 16 | S 18 |
| kJ | 22 | 25 | 25 | 24 | 23 | 14 | 10 | 10 | 24 | 25 | 11 | 22 | 21 | 21 | 58 | 26 | 21 | 21 | 29 | 46 | 46 | 84 | 154 |
Swell 3 Height (m) Direction Period (s) | W 12 | SW 19 | SW 19 | SW 19 | SE 10 | W 11 | SE 12 | SSE 10 | SE 12 | SW 18 | SE 12 | W 12 | W 11 | W 11 | ESE 11 | W 11 | SE 13 | SE 12 | SE 12 | SE 12 | SE 13 | W 13 | W 13 |
| kJ | 25 | 14 | 14 | 14 | 14 | 10 | 23 | 9 | 22 | 12 | 23 | 11 | 22 | 21 | 25 | 21 | 27 | 24 | 21 | 25 | 26 | 30 | 29 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | E 9 |
| kJ | 149 | 170 | 194 | 188 | 183 | 214 | 260 | 350 | 382 | 414 | 469 | 481 | 460 | 474 | 482 | 570 | 669 | 824 | 979 | 1033 | 1162 | 1382 | 1646 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 15 | 16 | 31 | 31 | 31 | 16 | 31 | 16 | 16 | 16 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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