Surf Forecasts:
How big are the waves at Inside Poipu today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 6ft (1.8m), 8s period with E swell.
- Evening surf: Evening surf (20 Sep, local time) - 3.5ft (1.0m), 15s period with SSW swell.
The current surf forecast for Inside Poipu at 11AM is: 0.9m 15s primary swell from a South-southwest direction and 1.8m 8s secondary swell from a East direction (forecast issued at 07:00am September 20). An open ocean swell of 0.1m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 3ft (0.9m) | 16s |
| Afternoon (20 Sep) | 6ft (1.8m) | 8s |
| Evening (20 Sep) | 3.5ft (1.0m) | 15s |
Table - waves today at Inside Poipu. (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 Sun night). Wind will be generally light. | |||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||||
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 | SSW 16 | E 8 | E 8 | SSW 15 | SSW 15 | SSW 15 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | E 8 | E 8 | E 8 | ENE 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 428 | 446 | 419 | 412 | 468 | 468 | 360 | 371 | 362 | 381 | 378 | 341 | 310 | 299 | 236 | 232 | 229 | 229 | 264 | 264 | 228 | 235 | 234 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 12:16PM0.59m | 00:27AM0.27m | 12:54PM0.62m | 1:06AM0.32m | 1:26PM0.63m | ||||||||||||||||||
Low Tide | 3:53AM0.19m | 8:04PM0.20m | 5:19AM0.17m | 8:09PM0.18m | 6:19AM0.16m | 8:20PM0.16m | |||||||||||||||||
 |  | | | | | |  | |  | | | | | | | | | | | | | | |
 | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 27 | 26 | 24 | 24 | 24 | 24 | 26 | 27 | 28 | 27 | 26 | 25 |
Feels °C | 26 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 23 | 24 | 25 | 26 | 24 | 23 | 23 | 24 | 25 | 27 | 27 | 28 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | 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 |
| kJ | 346 | 446 | 419 | 387 | 468 | 468 | 360 | 350 | 341 | 336 | 331 | 322 | 304 | 299 | 236 | 232 | 229 | 229 | 219 | 163 | 153 | 146 | 104 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 13 | SE 7 | SE 6 | W 12 | W 12 | SW 19 | W 12 | SW 17 | SW 17 |
| kJ | 104 | 3 | 3 | 3 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 22 | 30 | 9 | 9 | 25 | 25 | 57 | 25 | 72 | 75 |
Swell 3 Height (m) Direction Period (s) | W 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | NW 10 | NNW 10 | NW 10 | NW 10 | S 11 | S 11 | SW 21 | SE 9 | W 13 | S 16 | NNW 12 | SSW 19 | W 12 | SSW 17 | W 11 | S 14 |
| kJ | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 11 | 4 | 4 | 2 | 2 | 17 | 12 | 30 | 20 | 14 | 36 | 25 | 28 | 9 | 34 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 |
| kJ | 428 | 428 | 408 | 412 | 381 | 378 | 349 | 371 | 362 | 381 | 378 | 341 | 310 | 287 | 217 | 223 | 223 | 223 | 264 | 264 | 228 | 235 | 234 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 5 | 5 | 25 | 25 | 25 | 31 | 5 | 22 | 22 | 25 | 25 | 22 | 22 | 5 | 5 | 5 | 5 | 5 | 22 | 22 | 5 | 5 | 5 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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