Surf Forecasts:
How big are the waves at Ammonias today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 2ft (0.6m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 5ft (1.5m), 8s period with ENE swell.
- Evening surf: Evening surf (10 Sep, local time) - 5.5ft (1.7m), 7s period with ENE swell.
The current surf forecast for Ammonias at 6AM is: 0.7m 13s primary swell from a South-southwest direction and 1.0m 8s secondary swell from a East-northeast direction, 0.4m 3s secondary swell from a Northeast direction (forecast issued at 01:00am September 10). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 2ft (0.6m) | 16s |
| Afternoon (10 Sep) | 5ft (1.5m) | 8s |
| Evening (10 Sep) | 5.5ft (1.7m) | 7s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Thu afternoon. Warm (max 27°C on Thu morning, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||||||||||
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 | 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) | SSW 13 | SSW 13 | SSW 16 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | SW 16 | ENE 7 | ENE 7 | SW 15 | SW 15 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | SW 15 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 178 | 176 | 177 | 220 | 244 | 237 | 294 | 297 | 258 | 264 | 208 | 198 | 183 | 229 | 469 | 404 | 460 | 302 | 223 | 209 | 169 | 128 | 288 | 197 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross |
High Tide | 3:04AM0.41m | 3:24PM0.61m | 3:47AM0.47m | 3:51PM0.55m | 4:29AM0.51m | 4:16PM0.48m | ||||||||||||||||||
Low Tide | 8:43AM0.05m | 9:45PM0.07m | 9:31AM0.09m | 10:06PM0.05m | 10:19AM0.13m | 10:28PM0.04m | ||||||||||||||||||
 | |  | |  | |  |  | | | | | | | | | | | | | | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — |
mm | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 |
Feels °C | 29 | 28 | 28 | 29 | 29 | 27 | 25 | 25 | 25 | 24 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | NE 8 | NE 9 | NE 9 | NE 9 | SSW 13 | NE 9 |
| kJ | 114 | 133 | 173 | 173 | 170 | 172 | 115 | 115 | 211 | 264 | 208 | 198 | 183 | 229 | 226 | 226 | 226 | 223 | 69 | 77 | 83 | 118 | 101 | 115 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | E 12 | E 12 | E 12 | E 12 | E 12 | SSW 17 | E 12 | E 12 | E 11 | E 11 | E 11 | SSW 12 | SSW 12 | SSW 12 | SE 8 | NNE 8 | SW 15 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 13 |
| kJ | 178 | 176 | 113 | 108 | 106 | 104 | 104 | 184 | 99 | 98 | 94 | 91 | 91 | 45 | 45 | 46 | 18 | 42 | 223 | 124 | 99 | 99 | 99 | 99 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | SSW 16 | SSW 17 | SW 18 | SW 18 | SSW 18 | E 12 | SSW 12 | SE 9 | SSW 12 | SSW 12 | NNE 8 | SW 9 | SE 6 | SE 8 | SE 6 | SE 6 | SE 6 | SSW 13 | SSW 13 | SSW 13 | SE 6 | SW 16 |
| kJ | 119 | 119 | 177 | 186 | 154 | 154 | 204 | 72 | 81 | 41 | 79 | 79 | 44 | 27 | 8 | 18 | 8 | 8 | 9 | 70 | 70 | 69 | 8 | 64 |
Wind waves Height (m) Direction Period (s) | ENE 3 | NE 3 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 10 |
| kJ | 2 | 2 | 149 | 220 | 244 | 237 | 294 | 297 | 258 | 223 | 186 | 181 | 135 | 214 | 469 | 404 | 460 | 302 | 218 | 209 | 169 | 128 | 288 | 197 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 10 | 31 | 31 | 31 | 31 | 31 | 33 | 16 | 16 | 31 | 31 | 31 | 16 | 16 | 16 | 16 | 16 | 31 | 31 | 12 | 16 | 16 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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