Surf Forecasts:
How big are the waves at Ammonias today (16 Jul):
- Morning surf: Morning surf (16 Jul, local time) - 2.5ft (0.7m), 13s period with SSW swell.
- Afternoon surf: Afternoon surf (16 Jul, local time) - 2ft (0.6m), 17s period with SSW swell.
- Evening surf: Evening surf (16 Jul, local time) - 5ft (1.5m), 6s period with ENE swell.
The current surf forecast for Ammonias at 5PM is: 0.6m 17s primary swell from a South-southwest direction and 0.6m 13s secondary swell from a South-southwest direction, 1.2m 7s secondary swell from a East-northeast direction (forecast issued at 01:00pm July 16). An open ocean swell of 0.7m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Jul) | 2.5ft (0.7m) | 13s |
| Afternoon (16 Jul) | 2ft (0.6m) | 17s |
| Evening (16 Jul) | 5ft (1.5m) | 6s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Thu 16 | Friday 17 | Saturday 18 | |||||||||||||||||||
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 16 | SSW 17 | SSW 17 | ENE 6 | SSW 13 | SSW 14 | ENE 6 | ENE 6 | ENE 7 | SSW 16 | ENE 7 | ENE 7 | SSW 15 | ENE 7 | ENE 7 | ENE 7 | SSW 14 | ENE 7 | SSW 14 | ENE 7 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 237 | 195 | 197 | 170 | 175 | 181 | 156 | 119 | 158 | 196 | 196 | 199 | 240 | 187 | 187 | 189 | 207 | 210 | 210 | 278 | 310 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross |
High Tide | 5:45PM0.67m | 5:57AM0.28m | 6:18PM0.59m | 7:07AM0.31m | 6:48PM0.51m | ||||||||||||||||
Low Tide | 10:22AM-0.02m | 00:42AM0.08m | 11:11AM0.05m | 1:14AM0.06m | 12:04PM0.14m | ||||||||||||||||
 | | |  | |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 |
Feels °C | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | W 14 | W 14 | W 14 | W 14 | W 14 | SSW 14 | W 14 | W 14 | W 14 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SE 8 | SE 8 |
| kJ | 203 | 203 | 203 | 200 | 200 | 180 | 144 | 142 | 140 | 196 | 196 | 191 | 240 | 187 | 187 | 141 | 207 | 210 | 210 | 54 | 54 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | W 14 | SSW 15 | NNE 8 | SSW 12 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | WNW 13 | SE 8 | SE 9 | SE 9 | S 14 | S 12 |
| kJ | 237 | 113 | 113 | 114 | 158 | 146 | 84 | 37 | 56 | 138 | 134 | 92 | 89 | 87 | 87 | 57 | 28 | 27 | 36 | 103 | 72 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSE 8 | SSE 7 | SSW 16 | SSW 16 | SSW 12 | SSW 12 | SSE 7 | SE 7 | SSE 7 | SE 7 | SE 7 | WNW 13 | WNW 13 | WNW 13 | S 12 | SSW 14 |
| kJ | 113 | 195 | 197 | 170 | 172 | 22 | 21 | 100 | 100 | 55 | 82 | 21 | 14 | 21 | 25 | 13 | 56 | 56 | 56 | 72 | 67 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | ENE 8 |
| kJ | 125 | 109 | 120 | 164 | 175 | 181 | 156 | 119 | 158 | 163 | 170 | 199 | 203 | 180 | 180 | 189 | 171 | 195 | 200 | 278 | 310 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 31 | 31 | 31 | 16 | 33 | 33 | 16 | 16 | 31 | 31 | 31 | 16 | 16 | 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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