Surf Forecasts:
How big are the waves at Ammonias today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 5ft (1.5m), 7s period with E swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 6ft (1.8m), 7s period with ENE swell.
- Evening surf: Evening surf (31 Jul, local time) - 7ft (2.1m), 7s period with E swell.
The current surf forecast for Ammonias at 1PM is: 1.6m 7s primary swell from a East direction and 0.7m 12s secondary swell from a South direction, 0.6m 16s secondary swell from a South-southwest direction (forecast issued at 07:00am July 31). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 5ft (1.5m) | 7s |
| Afternoon (31 Jul) | 6ft (1.8m) | 7s |
| Evening (31 Jul) | 7ft (2.1m) | 7s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sat afternoon. Warm (max 27°C on Fri morning, min 24°C on Sat night). Mainly fresh winds. | |||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||||||||
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 7 | E 7 | E 8 | ENE 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 214 | 251 | 253 | 292 | 388 | 411 | 554 | 726 | 784 | 825 | 880 | 902 | 871 | 807 | 952 | 1046 | 1003 | 847 | 819 | 758 | 699 | 699 | 642 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 4:33AM0.29m | 5:08PM0.61m | 5:22AM0.32m | 5:32PM0.57m | 6:19AM0.34m | 5:54PM0.51m | |||||||||||||||||
Low Tide | 10:03AM0.04m | 11:56PM0.09m | 10:44AM0.09m | 00:22AM0.07m | 11:33AM0.16m | ||||||||||||||||||
 |  | | |  |  | | |  | | |  | | |  | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 24 |
Feels °C | 26 | 27 | 27 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 23 | 23 | 21 | 22 | 22 | 22 | 23 | 24 | 24 | 23 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | 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 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 |
| kJ | 196 | 146 | 146 | 144 | 232 | 226 | 223 | 144 | 150 | 148 | 205 | 205 | 150 | 146 | 199 | 199 | 144 | 140 | 194 | 191 | 140 | 144 | 134 |
Swell 2 Height (m) Direction Period (s) | 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 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 208 | 171 | 169 | 196 | 141 | 231 | 163 | 159 | 142 | 134 | 123 | 123 | 123 | 125 | 125 | 131 | 133 | 133 | 75 | 70 | 68 | 96 | 96 |
Swell 3 Height (m) Direction Period (s) | N 9 | 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 | S 11 | N 10 | N 9 | N 9 | W 12 | SE 8 | SE 8 | SE 8 |
| kJ | 25 | 130 | 174 | 110 | 167 | 103 | 101 | 70 | 70 | 66 | 39 | 39 | 38 | 37 | 20 | 20 | 16 | 16 | 14 | 25 | 11 | 17 | 15 |
Wind waves Height (m) Direction Period (s) | ENE 7 | E 7 | E 8 | ENE 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 214 | 251 | 253 | 292 | 388 | 411 | 554 | 726 | 784 | 825 | 880 | 902 | 871 | 807 | 952 | 1046 | 1003 | 847 | 819 | 758 | 699 | 699 | 642 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 33 | 38 | 38 | 33 | 33 | 38 | 31 | 31 | 31 | 38 | 46 | 301 | 301 | 122 | 31 | 46 | 38 | 38 | 33 | 38 | 38 | 46 | 16 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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