Surf Forecasts:
How big are the waves at Ammonias today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 4.5ft (1.4m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 5ft (1.5m), 7s period with ENE swell.
- Evening surf: Evening surf (17 Jul, local time) - 2.5ft (0.7m), 16s period with SSW swell.
The current surf forecast for Ammonias at 9AM is: 1.4m 7s primary swell from a East-northeast direction and 0.4m 16s secondary swell from a South-southwest direction (forecast issued at 01:00am July 17). An open ocean swell of 0.6m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | 4.5ft (1.4m) | 7s |
| Afternoon (17 Jul) | 5ft (1.5m) | 7s |
| Evening (17 Jul) | 2.5ft (0.7m) | 16s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Warm (max 26°C on Fri morning, min 23°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
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 14 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | SSW 15 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 180 | 170 | 175 | 175 | 196 | 196 | 209 | 240 | 187 | 187 | 198 | 220 | 255 | 247 | 294 | 346 | 318 | 283 | 253 | 250 | 246 | 222 | 231 | 256 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 5:57AM0.28m | 6:18PM0.59m | 7:07AM0.31m | 6:48PM0.51m | 8:26AM0.35m | 7:13PM0.43m | ||||||||||||||||||
Low Tide | 00:42AM0.08m | 11:11AM0.05m | 1:14AM0.06m | 12:04PM0.14m | 1:46AM0.05m | 1:11PM0.23m | ||||||||||||||||||
 | |  |  | | |  | | |  |  | | | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 23 | 24 | 25 | 26 | 25 | 24 | 24 |
Feels °C | 24 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 23 | 24 | 22 | 24 | 24 | 25 | 24 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | W 14 | W 14 | W 14 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | S 12 | S 13 | S 13 | SSW 11 | S 11 |
| kJ | 180 | 144 | 142 | 140 | 196 | 196 | 191 | 240 | 187 | 187 | 198 | 204 | 207 | 210 | 54 | 54 | 58 | 62 | 62 | 113 | 123 | 125 | 40 | 64 |
Swell 2 Height (m) Direction Period (s) | W 14 | SSW 15 | SSW 16 | SSW 16 | W 14 | W 14 | W 13 | SE 8 | SE 7 | SE 7 | WNW 13 | WNW 13 | WNW 13 | SE 8 | S 14 | S 12 | SSW 12 | SSW 12 | SSW 12 | SE 9 | SE 8 | SSE 8 | SE 7 | SSE 18 |
| kJ | 146 | 84 | 100 | 100 | 138 | 134 | 92 | 28 | 26 | 26 | 57 | 56 | 56 | 43 | 103 | 72 | 47 | 117 | 115 | 37 | 34 | 28 | 18 | 107 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSW 12 | SSW 12 | SSW 12 | SSE 7 | W 13 | W 13 | W 13 | SE 8 | SSW 8 | SE 9 | WNW 13 | S 12 | SSW 14 | W 12 | W 12 | NNE 8 | W 12 | S 19 | S 19 | SSE 18 | SE 7 |
| kJ | 22 | 22 | 22 | 56 | 55 | 54 | 21 | 89 | 87 | 87 | 28 | 11 | 26 | 56 | 72 | 67 | 26 | 25 | 23 | 25 | 65 | 113 | 110 | 15 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 |
| kJ | 165 | 170 | 175 | 175 | 180 | 192 | 209 | 227 | 180 | 171 | 195 | 220 | 255 | 247 | 294 | 346 | 318 | 283 | 253 | 250 | 246 | 222 | 231 | 256 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 16 | 16 | 31 | 31 | 31 | 16 | 16 | 16 | 16 | 33 | 33 | 31 | 31 | 16 | 16 | 16 | 16 | 16 | 31 | 31 | 16 | 16 | 16 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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