Surf Forecasts:
How big are the waves at Ammonias today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 3ft (0.9m), 13s period with S swell.
- Afternoon surf: Afternoon surf (30 Jul, local time) - 3ft (0.9m), 13s period with S swell.
- Evening surf: Evening surf (30 Jul, local time) - 5.5ft (1.7m), 7s period with ENE swell.
The current surf forecast for Ammonias at 11AM is: 0.9m 13s primary swell from a South direction (forecast issued at 07:00am July 30). An open ocean swell of 1.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 3ft (0.9m) | 13s |
| Afternoon (30 Jul) | 3ft (0.9m) | 13s |
| Evening (30 Jul) | 5.5ft (1.7m) | 7s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sat night. Warm (max 27°C on Thu morning, min 24°C on Sat night). Winds increasing (light winds from the E on Thu morning, fresh winds from the ENE by Sat night). | |||||||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | |||||||||||||||||||||
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) | S 13 | S 13 | S 13 | S 13 | S 13 | ENE 7 | ENE 7 | S 13 | S 12 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 289 | 289 | 284 | 280 | 276 | 268 | 232 | 206 | 208 | 269 | 284 | 346 | 420 | 423 | 563 | 645 | 745 | 765 | 804 | 825 | 792 | 824 | 952 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 3:49AM0.27m | 4:44PM0.65m | 4:33AM0.29m | 5:08PM0.61m | 5:22AM0.32m | 5:32PM0.57m | |||||||||||||||||
Low Tide | 9:25AM0.00m | 11:32PM0.11m | 10:03AM0.04m | 11:56PM0.09m | 10:44AM0.09m | ||||||||||||||||||
 |  | | | | | | |  |  | | | | |  | | |  | | | |  | | |
 | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 24 | 25 | 27 | 27 | 27 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 24 | 24 |
Feels °C | 28 | 28 | 29 | 28 | 28 | 26 | 26 | 26 | 25 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 23 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 8 | NE 8 | ENE 8 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | SW 15 | SW 15 | SW 15 | SSW 15 | E 15 | E 14 | E 15 | E 15 | E 15 | E 14 | E 14 |
| kJ | 203 | 147 | 192 | 208 | 276 | 215 | 212 | 206 | 196 | 190 | 146 | 144 | 232 | 226 | 223 | 144 | 150 | 148 | 205 | 205 | 150 | 146 | 199 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | SW 18 | SW 18 | SW 17 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SW 16 | S 12 | E 16 | E 15 | E 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 289 | 289 | 284 | 280 | 152 | 150 | 137 | 175 | 208 | 171 | 169 | 196 | 141 | 231 | 163 | 159 | 142 | 134 | 123 | 123 | 123 | 123 | 125 |
Swell 3 Height (m) Direction Period (s) | NNE 7 | NNE 7 | SW 18 | SSW 18 | N 9 | N 8 | E 18 | N 8 | E 16 | E 16 | E 16 | E 15 | E 15 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 |
| kJ | 74 | 54 | 154 | 207 | 6 | 13 | 56 | 18 | 81 | 130 | 174 | 110 | 167 | 103 | 101 | 70 | 70 | 41 | 39 | 39 | 38 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 8 | ENE 7 | ENE 7 | E 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | — | — | — | — | 232 | 268 | 232 | 206 | 182 | 269 | 284 | 346 | 420 | 423 | 563 | 645 | 745 | 765 | 804 | 825 | 792 | 824 | 952 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 1 | 14 | 31 | 31 | 16 | 16 | 38 | 38 | 45 | 38 | 46 | 122 | 31 | 31 | 38 | 46 | 31 | 46 | 329 | 299 | 122 | 301 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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