Surf Forecasts:
How big are the waves at Ammonias today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 5.5ft (1.7m), 9s period with E swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 5.5ft (1.7m), 10s period with E swell.
- Evening surf: Evening surf (23 Sep, local time) - 5.5ft (1.7m), 9s period with E swell.
The current surf forecast for Ammonias at 9PM is: 1.7m 9s primary swell from a East direction and 0.6m 12s secondary swell from a South direction, 0.6m 16s secondary swell from a South-southwest direction (forecast issued at 01:00pm September 23). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 5.5ft (1.7m) | 9s |
| Afternoon (23 Sep) | 5.5ft (1.7m) | 10s |
| Evening (23 Sep) | 5.5ft (1.7m) | 9s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Thu night. Warm (max 27°C on Wed afternoon, min 25°C on Wed night). Mainly fresh winds. | |||||||||||||||||||||
Wed 23 | Thursday 24 | Friday 25 | |||||||||||||||||||
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) | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 589 | 539 | 527 | 516 | 495 | 430 | 463 | 452 | 459 | 416 | 453 | 447 | 523 | 537 | 581 | 607 | 661 | 678 | 713 | 773 | 787 |
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 | cross | cross | cross | cross | cross | cross |
High Tide | 2:02PM0.59m | 2:15AM0.40m | 2:27PM0.57m | 2:51AM0.46m | 2:52PM0.54m | ||||||||||||||||
Low Tide | 8:31PM0.12m | 7:50AM0.10m | 8:47PM0.09m | 8:35AM0.10m | 9:07PM0.05m | ||||||||||||||||
 |  | |  |  | | | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 |
Feels °C | 27 | 27 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 25 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SE 11 | SE 11 | SE 11 |
| kJ | 144 | 144 | 106 | 104 | 106 | 166 | 220 | 251 | 232 | 377 | 377 | 373 | 242 | 368 | 330 | 322 | 322 | 318 | 142 | 137 | 163 |
Swell 2 Height (m) Direction Period (s) | 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 | NNW 9 | N 9 | N 9 | SSE 11 | SSE 11 | SW 16 | SSW 15 | SSW 15 |
| kJ | 143 | 132 | 122 | 166 | 164 | 104 | 72 | 72 | 71 | 71 | 68 | 44 | 123 | 28 | 26 | 26 | 44 | 82 | 245 | 209 | 294 |
Swell 3 Height (m) Direction Period (s) | N 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | N 11 | N 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | S 11 | S 11 | S 11 | N 9 | N 9 | SSW 19 | SW 12 | SW 12 |
| kJ | 50 | 32 | 31 | 31 | 31 | 17 | 21 | 37 | 36 | 33 | 32 | 31 | 30 | 41 | 21 | 21 | 25 | 14 | 125 | 72 | 37 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 589 | 539 | 527 | 516 | 495 | 430 | 463 | 452 | 459 | 416 | 453 | 447 | 523 | 537 | 581 | 607 | 661 | 678 | 713 | 773 | 787 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 16 | 31 | 31 | 16 | 16 | 16 | 16 | 16 | 31 | 31 | 31 | 33 | 31 | 31 | 31 | 31 | 31 | 31 | 38 | 31 | 31 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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