Surf Forecasts:
How big are the waves at Ammonias today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 6ft (1.8m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 6ft (1.8m), 8s period with ENE swell.
- Evening surf: Evening surf (17 Aug, local time) - 3ft (0.9m), 14s period with S swell.
The current surf forecast for Ammonias at 1PM is: 1.8m 8s primary swell from a East-northeast direction and 0.9m 6s secondary swell from a South-southeast direction, 0.7m 12s secondary swell from a South direction (forecast issued at 07:00am August 17). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 6ft (1.8m) | 8s |
| Afternoon (17 Aug) | 6ft (1.8m) | 8s |
| Evening (17 Aug) | 3ft (0.9m) | 14s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Mon morning. Warm (max 26°C on Mon morning, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | S 14 | S 14 | S 14 | ENE 7 | S 13 | S 13 | ENE 7 | S 13 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | SW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 492 | 366 | 388 | 397 | 349 | 329 | 320 | 240 | 219 | 176 | 176 | 165 | 176 | 176 | 153 | 129 | 141 | 114 | 129 | 117 | 103 | 103 | 129 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross |
High Tide | 7:34AM0.46m | 6:01PM0.36m | 8:46AM0.48m | 5:31PM0.30m | 10:06AM0.50m | ||||||||||||||||||
Low Tide | 1:11PM0.26m | 00:55AM0.06m | 3:13PM0.30m | 1:28AM0.08m | |||||||||||||||||||
 |  | |  |  |  | | | | | |  | |  | | | | | | | | | | |
 | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:05 | — | — |
mm | 1 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 24 | 25 |
Feels °C | 27 | 27 | 26 | 27 | 27 | 26 | 25 | 24 | 25 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 25 | 24 | 25 | 26 | 26 | 25 | 27 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | SSE 10 | SSE 9 | SSE 9 | SE 9 | SE 9 | SSE 9 |
| kJ | 492 | 102 | 80 | 55 | 36 | 329 | 320 | 232 | 219 | 165 | 165 | 165 | 165 | 119 | 119 | 112 | 103 | 63 | 56 | 55 | 41 | 41 | 33 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | S 15 | S 14 | S 12 | S 12 | SSE 6 | SSE 6 | SSE 5 | SE 10 | SE 10 | SE 10 | SSE 10 | SE 10 | SE 9 | SE 9 | SSE 10 | SSE 7 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 16 |
| kJ | 146 | 267 | 334 | 138 | 150 | 25 | 18 | 11 | 39 | 36 | 45 | 64 | 46 | 36 | 38 | 61 | 18 | 69 | 69 | 69 | 69 | 71 | 129 |
Swell 3 Height (m) Direction Period (s) | S 14 | SW 6 | SW 6 | S 15 | S 15 | SE 11 | SE 11 | SE 11 | SW 6 | SW 17 | SW 17 | SW 18 | SW 18 | SW 18 | WNW 12 | WNW 12 | E 9 | SSW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | S 12 |
| kJ | 249 | 13 | 13 | 150 | 150 | 40 | 41 | 41 | 13 | 70 | 76 | 79 | 80 | 80 | 28 | 28 | 15 | 102 | 129 | 65 | 103 | 103 | 45 |
Wind waves Height (m) Direction Period (s) | — | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 6 | ENE 6 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 7 |
| kJ | — | 366 | 388 | 397 | 349 | 305 | 297 | 240 | 212 | 176 | 176 | 158 | 176 | 176 | 153 | 129 | 141 | 114 | 121 | 117 | 96 | 96 | 99 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 126 | 126 | 126 | 126 | 126 | 16 | 46 | 16 | 16 | 33 | 31 | 31 | 31 | 31 | 16 | 16 | 16 | 31 | 31 | 31 | 31 | 16 | 16 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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