Surf Forecasts:
How big are the waves at Ammonias today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 6ft (1.8m), 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) - 5ft (1.6m), 9s period with E swell.
The current surf forecast for Ammonias at 12AM is: 1.7m 8s primary swell from a East direction and 0.7m 12s secondary swell from a South direction (forecast issued at 07:00pm September 22). An open ocean swell of 0.5m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 6ft (1.8m) | 9s |
| Afternoon (23 Sep) | 5.5ft (1.7m) | 10s |
| Evening (23 Sep) | 5ft (1.6m) | 9s |
Table - waves today at Ammonias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Tue night. Warm (max 27°C on Wed morning, min 25°C on Tue night). Mainly fresh winds. | |||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||
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 | E 8 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | ENE 9 | ENE 6 | SW 16 | ENE 7 | SSW 17 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 306 | 330 | 392 | 383 | 452 | 553 | 589 | 602 | 539 | 449 | 430 | 432 | 210 | 251 | 308 | 377 | 419 | 441 | 451 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 1:41AM0.35m | 2:02PM0.59m | 2:15AM0.40m | 2:27PM0.57m | |||||||||||||||
Low Tide | 8:19PM0.15m | 7:06AM0.10m | 8:31PM0.12m | 7:50AM0.10m | 8:47PM0.09m | ||||||||||||||
 |  |  |  |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 28 | 27 | 26 | 27 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 16 | E 9 | E 9 | SW 15 | SSW 17 | SSW 17 | SSW 17 | SW 15 |
| kJ | 202 | 146 | 144 | 144 | 144 | 144 | 144 | 106 | 106 | 104 | 106 | 166 | 101 | 125 | 232 | 377 | 377 | 373 | 242 |
Swell 2 Height (m) Direction Period (s) | N 11 | N 11 | N 11 | N 10 | N 10 | N 10 | SW 17 | SW 16 | SW 16 | SSW 16 | SSW 16 | S 12 | SSW 16 | SW 16 | S 12 | S 12 | S 12 | S 12 | SSW 18 |
| kJ | 89 | 86 | 61 | 56 | 52 | 52 | 143 | 132 | 122 | 166 | 164 | 104 | 166 | 251 | 69 | 71 | 69 | 68 | 123 |
Swell 3 Height (m) Direction Period (s) | SW 19 | SW 17 | SW 17 | SW 17 | SSW 17 | SW 17 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | S 12 | S 12 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | S 12 |
| kJ | 91 | 72 | 75 | 76 | 119 | 147 | 33 | 32 | 31 | 31 | 31 | 17 | 72 | 72 | 36 | 33 | 32 | 31 | 44 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | E 8 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | ENE 9 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | E 8 | E 8 | E 8 |
| kJ | 306 | 330 | 392 | 383 | 452 | 553 | 589 | 602 | 539 | 449 | 430 | 432 | 210 | 198 | 308 | 352 | 419 | 441 | 451 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 31 | 16 | 16 | 14 | 16 | 31 | 31 | 31 | 31 | 31 | 31 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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