Surf Forecasts:
How big are the waves at Ammonias today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 1.5ft (0.4m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 1.5ft (0.5m), 22s period with SW swell.
- Evening surf: Evening surf (14 Sep, local time) - 1.5ft (0.4m), 22s period with SW swell.
The current surf forecast for Ammonias at 9AM is: 0.4m 14s primary swell from a Southwest direction and 0.6m 4s secondary swell from a East-northeast direction (forecast issued at 01:00am September 14). An open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 1.5ft (0.4m) | 14s |
| Afternoon (14 Sep) | 1.5ft (0.5m) | 22s |
| Evening (14 Sep) | 1.5ft (0.4m) | 22s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Wed night. Warm (max 27°C on Tue afternoon, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||||||
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) | SW 14 | SW 14 | SW 14 | SW 14 | SW 22 | SW 22 | SW 22 | SSW 21 | SW 21 | SSW 21 | SW 20 | SW 20 | SW 20 | SW 19 | SW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SW 18 | SW 18 | SSW 18 | SW 18 | SSW 17 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 99 | 96 | 49 | 49 | 231 | 227 | 118 | 180 | 224 | 300 | 408 | 392 | 388 | 384 | 384 | 475 | 465 | 418 | 399 | 449 | 449 | 541 | 444 | 386 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 5:56AM0.55m | 4:55PM0.35m | 6:45AM0.55m | 4:58PM0.30m | 7:44AM0.54m | |||||||||||||||||||
Low Tide | 12:08PM0.22m | 11:14PM0.05m | 1:23PM0.26m | 11:40PM0.08m | ||||||||||||||||||||
 | |  | | | | | |  | |  | | | | | | | | | | | | |  | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 25 | 25 |
Feels °C | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 27 | 28 | 29 | 28 | 27 | 27 | 27 | 26 | 26 | 28 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 8 | SW 22 | NE 8 | NE 8 | NE 8 | SW 21 | SSW 21 | SW 20 | SW 20 | SW 20 | SW 19 | SW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SW 18 | SW 18 | SSW 18 | SW 18 | SSW 17 |
| kJ | 115 | 126 | 104 | 102 | 231 | 82 | 80 | 69 | 224 | 300 | 408 | 392 | 388 | 384 | 384 | 475 | 465 | 418 | 399 | 449 | 449 | 541 | 444 | 386 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 22 | SSW 13 | SSW 21 | SSW 13 | NE 8 | SW 13 | NNE 8 | SW 12 | SW 12 | SW 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 |
| kJ | 99 | 96 | 49 | 49 | 49 | 227 | 70 | 180 | 67 | 53 | 42 | 23 | 38 | 38 | 38 | 41 | 39 | 38 | 37 | 36 | 33 | 50 | 50 | 52 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SW 14 | SW 22 | SSW 13 | SE 8 | SW 13 | SE 7 | NE 8 | E 12 | E 12 | E 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 11 |
| kJ | 25 | 18 | 17 | 17 | 16 | 47 | 118 | 68 | 15 | 43 | 14 | 23 | 26 | 26 | 44 | 38 | 37 | 37 | 35 | 33 | 31 | 43 | 19 | 12 |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 4 | ENE 4 | NE 8 | ENE 5 | ENE 5 | ENE 4 | NE 8 | ENE 5 | ENE 8 | ENE 6 | ENE 8 | NE 8 | NE 8 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | NE 6 | ENE 6 | ENE 6 |
| kJ | 12 | 12 | 12 | 18 | 180 | 25 | 25 | 23 | 154 | 49 | 171 | 58 | 162 | 173 | 169 | 86 | 78 | 72 | 81 | 90 | 106 | 105 | 127 | 149 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 16 | 16 | 31 | 31 | 31 | 16 | 16 | 16 | 15 | 16 | 31 | 31 | 31 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 31 | 14 | 14 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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