Surf Forecasts:
How big are the waves at Ammonias today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 8ft (2.4m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 10ft (3.0m), 9s period with ENE swell.
- Evening surf: Evening surf (15 Aug, local time) - 11ft (3.5m), 9s period with ENE swell.
The current surf forecast for Ammonias at 10AM is: 2.5m 8s primary swell from a East-northeast direction and 0.9m 13s secondary swell from a South direction, 0.6m 12s secondary swell from a East direction (forecast issued at 07:00am August 15). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 8ft (2.4m) | 8s |
| Afternoon (15 Aug) | 10ft (3.0m) | 9s |
| Evening (15 Aug) | 11ft (3.5m) | 9s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 42mm), heaviest during Sun morning. Warm (max 26°C on Sat morning, min 24°C on Sat night). Winds decreasing (strong winds from the ENE on Sat night, moderate winds from the E by Sun night). | |||||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||||||||
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 9 | ENE 9 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | S 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 600 | 671 | 866 | 1147 | 1432 | 1984 | 2590 | 3233 | 3512 | 3574 | 2876 | 2116 | 906 | 678 | 686 | 511 | 418 | 427 | 397 | 376 | 328 | 286 | 320 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross |
High Tide | 5:36AM0.41m | 5:29PM0.52m | 6:32AM0.43m | 5:50PM0.44m | 7:34AM0.46m | 6:01PM0.36m | |||||||||||||||||
Low Tide | 11:06AM0.12m | 00:00AM0.06m | 12:01PM0.20m | 00:26AM0.06m | 1:11PM0.26m | ||||||||||||||||||
 |  | |  | |  | | |  |  |  | | | | | | | | |  | |  |  | |
 | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — |
mm | 1 | — | — | 1 | 1 | 1 | 1 | 2 | 1 | 4 | 9 | 7 | 5 | 3 | 2 | 2 | 1 | 1 | 1 | — | — | — | — |
Temp °C | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 24 |
Feels °C | 24 | 24 | 25 | 24 | 23 | 23 | 23 | 22 | 21 | 22 | 23 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 25 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 14 | S 13 | S 12 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | S 12 | S 13 | S 14 |
| kJ | 361 | 284 | 280 | 222 | 219 | 219 | 166 | 170 | 253 | 195 | 156 | 110 | 591 | 444 | 352 | 232 | 172 | 121 | 96 | 68 | 150 | 157 | 320 |
Swell 2 Height (m) Direction Period (s) | SE 11 | E 11 | E 12 | S 16 | S 16 | S 16 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 13 | S 13 | S 14 | S 14 | S 15 | S 14 | S 12 | SSE 7 | S 15 | SSW 6 |
| kJ | 20 | 94 | 104 | 46 | 46 | 84 | 152 | 98 | 98 | 150 | 143 | 185 | 181 | 119 | 212 | 229 | 194 | 339 | 334 | 102 | 29 | 104 | 11 |
Swell 3 Height (m) Direction Period (s) | W 11 | W 11 | W 13 | SE 12 | SE 13 | W 13 | W 13 | WNW 12 | WNW 12 | WNW 12 | W 12 | WNW 12 | S 13 | S 10 | S 16 | S 16 | S 16 | SE 11 | SE 11 | S 15 | S 15 | SE 6 | SE 6 |
| kJ | 21 | 21 | 29 | 24 | 27 | 30 | 29 | 29 | 48 | 28 | 25 | 26 | 84 | 76 | 181 | 127 | 131 | 29 | 19 | 150 | 150 | 19 | 9 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 600 | 671 | 866 | 1147 | 1432 | 1984 | 2590 | 3233 | 3512 | 3574 | 2876 | 2116 | 906 | 678 | 686 | 511 | 418 | 427 | 397 | 376 | 328 | 286 | 278 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 31 | 31 | 31 | 31 | 31 | 38 | 38 | 300 | 320 | 301 | 133 | 126 | 118 | 126 | 126 | 126 | 126 | 126 | 126 | 126 | 33 | 16 | 16 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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