Surf Forecasts:
How big are the waves at Ammonias today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 3.5ft (1.0m), 15s period with S swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 3ft (0.9m), 14s period with S swell.
- Evening surf: Evening surf (28 Aug, local time) - 3.5ft (1.0m), 14s period with S swell.
The current surf forecast for Ammonias at 7AM is: 1.0m 15s primary swell from a South direction and 0.4m 11s secondary swell from a South-southwest direction, 1.4m 6s secondary swell from a East-northeast direction (forecast issued at 01:00am August 28). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 3.5ft (1.0m) | 15s |
| Afternoon (28 Aug) | 3ft (0.9m) | 14s |
| Evening (28 Aug) | 3.5ft (1.0m) | 14s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sat night. Warm (max 27°C on Fri afternoon, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||||||
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) | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 567 | 465 | 441 | 334 | 325 | 394 | 390 | 384 | 294 | 222 | 222 | 215 | 215 | 226 | 260 | 268 | 262 | 371 | 404 | 330 | 289 | 289 | 334 | 346 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross-on | cross | cross-on | cross | cross | cross | cross |
High Tide | 3:40AM0.38m | 4:02PM0.59m | 4:22AM0.42m | 4:25PM0.55m | 5:07AM0.46m | 4:47PM0.49m | ||||||||||||||||||
Low Tide | 9:19AM0.06m | 10:29PM0.08m | 10:02AM0.10m | 10:52PM0.06m | 10:51AM0.15m | |||||||||||||||||||
 |  |  |  | | | |  | | | |  | |  |  | | | | | | | | | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | 1 | 2 | 1 | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 26 | 25 |
Feels °C | 24 | 24 | 25 | 25 | 26 | 25 | 26 | 23 | 24 | 24 | 24 | 25 | 24 | 25 | 26 | 25 | 25 | 24 | 25 | 24 | 26 | 24 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 15 |
| kJ | 567 | 465 | 441 | 334 | 325 | 394 | 390 | 384 | 294 | 222 | 222 | 215 | 215 | 215 | 212 | 153 | 141 | 138 | 100 | 100 | 100 | 100 | 100 | 199 |
Swell 2 Height (m) Direction Period (s) | W 10 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | E 15 | E 15 | E 15 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | S 12 |
| kJ | 8 | 39 | 39 | 40 | 39 | 72 | 110 | 109 | 107 | 104 | 132 | 89 | 126 | 125 | 119 | 186 | 186 | 181 | 173 | 171 | 166 | 162 | 156 | 97 |
Swell 3 Height (m) Direction Period (s) | E 18 | E 18 | E 16 | E 16 | E 16 | SSW 19 | SSW 19 | SSW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SSW 17 | SSW 17 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | ENE 11 | ENE 11 | ENE 11 |
| kJ | 24 | 24 | 45 | 45 | 45 | 35 | 35 | 35 | 90 | 83 | 81 | 80 | 78 | 115 | 109 | 75 | 75 | 75 | 73 | 71 | 69 | 41 | 40 | 40 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 182 | 188 | 165 | 165 | 144 | 149 | 151 | 164 | 182 | 188 | 165 | 182 | 188 | 226 | 260 | 268 | 262 | 371 | 404 | 330 | 289 | 289 | 334 | 346 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 16 | 16 | 16 | 31 | 31 | 16 | 31 | 16 | 16 | 16 | 31 | 31 | 38 | 16 | 38 | 16 | 33 | 16 | 38 | 122 | 38 | 118 | 16 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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