Surf Forecasts:
How big are the waves at Ammonias today (17 Aug):
- Afternoon surf: Afternoon surf (17 Aug, local time) - 15ft (4.5m), 10s period with E swell.
- Evening surf: Evening surf (17 Aug, local time) - 8ft (2.5m), 9s period with ENE swell.
The current surf forecast for Ammonias at 12AM is: 2.5m 8s primary swell from a East direction and 0.8m 13s secondary swell from a South direction, 0.7m 6s secondary swell from a South-southwest direction (forecast issued at 07:00pm August 16). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | - | - |
| Afternoon (17 Aug) | 15ft (4.5m) | 10s |
| Evening (17 Aug) | 8ft (2.5m) | 9s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Sun night. Warm (max 26°C on Sun night, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | |||||||||||||||||
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 9 | ENE 9 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | S 14 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | S 13 | S 13 | S 13 | ENE 6 | ENE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 1499 | 994 | 1010 | 554 | 475 | 418 | 335 | 318 | 314 | 329 | 270 | 247 | 227 | 176 | 170 | 165 | 165 | 160 | 160 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on |
High Tide | 5:50PM0.44m | 7:34AM0.46m | 6:01PM0.36m | 8:46AM0.48m | 5:31PM0.30m | ||||||||||||||
Low Tide | 00:26AM0.06m | 1:11PM0.26m | 00:55AM0.06m | 3:13PM0.30m | |||||||||||||||
 |  | | | | | | |  |  | |  | | | | | | | | |
 | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — |
mm | 3 | 3 | 3 | 2 | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 26 | 26 | 25 | 25 | 24 |
Feels °C | 26 | 27 | 27 | 28 | 27 | 28 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 24 | 27 | 26 | 25 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | SE 9 | ENE 9 | S 13 | ENE 8 | ENE 8 | SSE 7 | SSE 6 | SSE 6 | S 12 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
| kJ | 688 | 994 | 215 | 554 | 475 | 113 | 78 | 66 | 150 | 329 | 253 | 232 | 219 | 165 | 165 | 165 | 165 | 119 | 119 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | SSW 6 | S 14 | SSE 7 | S 15 | S 14 | S 12 | S 15 | SSE 6 | SSE 6 | S 6 | SSE 5 | SE 11 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 |
| kJ | 158 | 212 | 34 | 229 | 169 | 267 | 334 | 138 | 150 | 34 | 25 | 15 | 10 | 40 | 45 | 47 | 47 | 42 | 37 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | SW 6 | S 14 | S 10 | SW 6 | S 15 | SSE 6 | SW 6 | SW 7 | SW 7 | SE 10 | SW 17 | SW 17 | SW 18 | SW 18 | SW 18 | WNW 12 |
| kJ | 181 | 183 | 181 | 18 | 249 | 30 | 14 | 150 | 22 | 15 | 15 | 15 | 39 | 70 | 76 | 79 | 80 | 80 | 28 |
Wind waves Height (m) Direction Period (s) | ENE 9 | SE 8 | E 8 | SE 8 | — | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 |
| kJ | 1499 | 410 | 1010 | 226 | — | 418 | 335 | 318 | 314 | 297 | 270 | 247 | 227 | 176 | 170 | 153 | 144 | 160 | 160 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 133 | 126 | 126 | 126 | 126 | 126 | 126 | 126 | 126 | 33 | 126 | 16 | 16 | 33 | 31 | 31 | 31 | 16 | 16 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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