Surf Forecasts:
How big are the waves at Ammonias today (22 Sep):
- Morning surf: Morning surf (22 Sep, local time) - 5ft (1.5m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (22 Sep, local time) - 5ft (1.5m), 8s period with ENE swell.
- Evening surf: Evening surf (22 Sep, local time) - 5ft (1.5m), 8s period with ENE swell.
The current surf forecast for Ammonias at 11AM is: 1.5m 8s primary swell from a East-northeast direction and 0.8m 13s secondary swell from a South direction (forecast issued at 07:00am September 22). An open ocean swell of 0.6m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Sep) | 5ft (1.5m) | 8s |
| Afternoon (22 Sep) | 5ft (1.5m) | 8s |
| Evening (22 Sep) | 5ft (1.5m) | 8s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Warm (max 27°C on Tue afternoon, min 25°C on Tue morning). Mainly fresh winds. | |||||||||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||||||
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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 9 | E 9 | E 9 | E 10 | E 10 | E 9 | E 9 | E 9 | ENE 9 | ENE 7 | ENE 7 | SSW 17 | ENE 8 | ENE 8 | E 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 264 | 277 | 284 | 284 | 291 | 280 | 318 | 358 | 452 | 541 | 577 | 602 | 527 | 505 | 484 | 463 | 474 | 290 | 360 | 377 | 416 | 416 | 447 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 1:35PM0.59m | 1:41AM0.35m | 2:02PM0.59m | 2:15AM0.40m | 2:27PM0.57m | ||||||||||||||||||
Low Tide | 6:19AM0.11m | 8:19PM0.15m | 7:06AM0.10m | 8:31PM0.12m | 7:50AM0.10m | 8:47PM0.09m | |||||||||||||||||
 |  |  | | | |  | | | | | | | | | | | |  | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 25 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 |
Feels °C | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 25 | 27 | 26 | 25 | 24 | 25 | 25 | 25 | 24 | 23 | 25 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 16 | SSW 16 | SW 16 | SW 15 | SSW 17 | SSW 17 | SSW 17 | SW 15 |
| kJ | 229 | 229 | 215 | 212 | 202 | 146 | 144 | 144 | 144 | 144 | 144 | 106 | 106 | 104 | 106 | 166 | 166 | 251 | 232 | 377 | 377 | 373 | 242 |
Swell 2 Height (m) Direction Period (s) | NNW 13 | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 | N 10 | N 10 | N 10 | SW 17 | SW 16 | SW 16 | SSW 16 | SSW 16 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 18 |
| kJ | 55 | 75 | 103 | 99 | 89 | 86 | 61 | 56 | 52 | 52 | 143 | 132 | 122 | 166 | 164 | 104 | 72 | 72 | 69 | 71 | 69 | 68 | 123 |
Swell 3 Height (m) Direction Period (s) | W 13 | S 16 | W 12 | SW 19 | SW 19 | SW 17 | SW 17 | SW 17 | SSW 17 | SW 17 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | N 11 | N 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | S 12 |
| kJ | 29 | 20 | 25 | 57 | 91 | 72 | 75 | 76 | 119 | 147 | 33 | 33 | 31 | 31 | 31 | 17 | 21 | 37 | 36 | 33 | 32 | 31 | 43 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 9 | E 9 | E 9 | E 10 | E 10 | E 9 | E 9 | E 9 | ENE 9 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | E 7 |
| kJ | 264 | 277 | 284 | 284 | 291 | 280 | 318 | 358 | 452 | 541 | 577 | 602 | 527 | 505 | 484 | 463 | 474 | 290 | 360 | 373 | 416 | 416 | 447 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 14 | 16 | 16 | 31 | 31 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 31 | 16 | 16 | 16 | 15 | 31 | 31 | 31 | 31 | 31 | 31 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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