Surf Forecasts:
How big are the waves at Ammonias today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 3ft (0.9m), 10s period with ENE swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 2.5ft (0.8m), 10s period with ENE swell.
- Evening surf: Evening surf (12 Sep, local time) - 4.5ft (1.3m), 9s period with ENE swell.
The current surf forecast for Ammonias at 2AM is: 1.3m 11s primary swell from a East-northeast direction and 0.7m 15s secondary swell from a Southwest direction, 0.4m 8s secondary swell from a Southeast direction (forecast issued at 07:00pm September 11). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 3ft (0.9m) | 10s |
| Afternoon (12 Sep) | 2.5ft (0.8m) | 10s |
| Evening (12 Sep) | 4.5ft (1.3m) | 9s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Mon afternoon, min 23°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | |||||||||||||||||
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) | ENE 8 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | SW 15 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | SSW 13 | SSW 13 | SSW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SW 14 | SSW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 229 | 412 | 460 | 379 | 286 | 223 | 173 | 128 | 128 | 295 | 99 | 98 | 209 | 109 | 84 | 84 | 84 | 54 | 56 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross |
High Tide | 3:51PM0.55m | 4:29AM0.51m | 4:16PM0.48m | 5:11AM0.54m | 4:38PM0.41m | ||||||||||||||
Low Tide | 10:06PM0.05m | 10:19AM0.13m | 10:28PM0.04m | 11:10AM0.18m | 10:50PM0.04m | ||||||||||||||
 |  | | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 |
Feels °C | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | NE 8 | NE 9 | ENE 10 | NE 9 | SSW 13 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 |
| kJ | 229 | 226 | 226 | 226 | 223 | 67 | 75 | 128 | 99 | 101 | 115 | 115 | 115 | 115 | 132 | 115 | 115 | 110 | 115 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SSW 12 | SE 8 | SE 8 | NNE 8 | SW 15 | SW 16 | NE 9 | SSW 16 | SSW 16 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | SSW 15 | SSW 15 | SSW 15 | SE 9 | ENE 9 |
| kJ | 38 | 45 | 34 | 17 | 45 | 223 | 124 | 83 | 99 | 99 | 72 | 49 | 86 | 64 | 84 | 84 | 84 | 21 | 26 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SE 9 | SSW 12 | SE 6 | SE 6 | SE 6 | SSW 13 | SSW 16 | SSW 13 | SE 6 | SSW 13 | SSW 13 | SSW 15 | SW 15 | SW 12 | ENE 9 | ENE 9 | SW 14 | SSW 12 |
| kJ | 45 | 19 | 46 | 9 | 9 | 12 | 70 | 99 | 69 | 8 | 99 | 98 | 209 | 109 | 23 | 27 | 26 | 54 | 56 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | — | ENE 10 | ENE 9 | ENE 4 | E 4 | — | — | E 9 | ENE 5 | ENE 5 | ENE 5 | E 5 |
| kJ | 226 | 412 | 460 | 379 | 286 | 170 | 173 | — | 128 | 295 | 25 | 18 | — | — | 59 | 17 | 18 | 17 | 21 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 16 | 16 | 16 | 31 | 15 | 16 | 31 | 15 | 12 | 16 | 16 | 12 | 12 | 12 | 14 | 14 | 12 | 16 | 31 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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