Surf Forecasts:
How big are the waves at Acid Drops today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 6ft (1.8m), 8s period with E swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 5.5ft (1.7m), 8s period with E swell.
- Evening surf: Evening surf (21 Sep, local time) - 5ft (1.5m), 8s period with E swell.
The current surf forecast for Acid Drops at 2PM is: 1.7m 8s primary swell from a East direction and 0.9m 14s secondary swell from a South-southwest direction, 0.2m 11s secondary swell from a West direction (forecast issued at 07:00am September 21). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 6ft (1.8m) | 8s |
| Afternoon (21 Sep) | 5.5ft (1.7m) | 8s |
| Evening (21 Sep) | 5ft (1.5m) | 8s |
Table - waves today at Acid Drops. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 28°C on Tue afternoon, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||||
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) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 13 | E 8 | E 8 | SSW 13 | S 13 | S 13 | S 12 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 413 | 391 | 381 | 341 | 310 | 299 | 236 | 273 | 239 | 229 | 219 | 161 | 153 | 228 | 234 | 283 | 348 | 413 | 441 | 460 | 470 | 460 | 397 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | off | off | off | off | off | off | off | cross-off | off | off | off | off | off | off | off | cross-off | off | off | off |
High Tide | 12:54PM0.62m | 1:06AM0.32m | 1:26PM0.63m | 1:41AM0.38m | 1:54PM0.64m | ||||||||||||||||||
Low Tide | 5:19AM0.17m | 8:09PM0.18m | 6:19AM0.16m | 8:20PM0.16m | 7:08AM0.14m | 8:33PM0.13m | |||||||||||||||||
 |  | |  | | |  | | | | | | | | | |  | | | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:32 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 27 | 26 | 24 | 25 | 25 | 25 | 25 | 27 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 25 | 25 |
Feels °C | 24 | 24 | 25 | 26 | 25 | 24 | 25 | 26 | 26 | 26 | 28 | 29 | 28 | 27 | 26 | 26 | 27 | 27 | 27 | 28 | 27 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 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 | S 12 |
| kJ | 341 | 336 | 331 | 322 | 304 | 299 | 236 | 232 | 229 | 229 | 219 | 161 | 153 | 146 | 104 | 106 | 106 | 106 | 106 | 104 | 106 | 104 | 75 |
Swell 2 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 13 | W 13 | S 16 | W 12 | W 12 | SW 19 | W 12 | SW 17 | SW 17 | SW 17 | SW 17 | SSW 17 | SSW 17 | SW 16 | SW 16 | SSW 16 | SW 16 |
| kJ | 10 | 9 | 9 | 9 | 9 | 21 | 30 | 30 | 20 | 25 | 25 | 57 | 25 | 72 | 75 | 76 | 77 | 117 | 115 | 130 | 122 | 166 | 121 |
Swell 3 Height (m) Direction Period (s) | NNW 10 | NW 10 | NW 10 | S 11 | S 11 | SW 21 | N 11 | S 16 | W 10 | NNW 12 | SSW 19 | W 12 | SSW 17 | W 11 | S 14 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SSW 19 |
| kJ | 11 | 4 | 4 | 2 | 2 | 17 | 3 | 20 | 8 | 14 | 36 | 25 | 28 | 9 | 34 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 72 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 |
| kJ | 413 | 391 | 381 | 341 | 310 | 280 | 294 | 273 | 239 | 257 | 264 | 301 | 264 | 228 | 234 | 283 | 348 | 413 | 441 | 460 | 470 | 460 | 397 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 20 | 18 | 17 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 17 | 0 | 0 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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