Surf Forecasts:
How big are the waves at Inside Poipu today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 5.5ft (1.7m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 6ft (1.8m), 7s period with ENE swell.
- Evening surf: Evening surf (17 Sep, local time) - 3ft (0.9m), 18s period with SSW swell.
The current surf forecast for Inside Poipu at 6PM is: 1.9m 8s primary swell from a East-northeast direction and 0.8m 16s secondary swell from a South-southwest direction, 0.5m 19s secondary swell from a South-southwest direction (forecast issued at 01:00pm September 17). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 5.5ft (1.7m) | 7s |
| Afternoon (17 Sep) | 6ft (1.8m) | 7s |
| Evening (17 Sep) | 3ft (0.9m) | 18s |
Table - waves today at Inside Poipu. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Thu afternoon. Warm (max 28°C on Fri afternoon, min 25°C on Thu night). Mainly fresh winds. | |||||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||||
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 7 | ENE 7 | ENE 8 | SSW 17 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 293 | 334 | 411 | 522 | 659 | 651 | 637 | 576 | 556 | 530 | 566 | 559 | 452 | 487 | 392 | 382 | 367 | 377 | 382 | 388 | 419 |
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-on | cross | cross | cross | cross-on | cross | cross | cross | cross |
High Tide | 8:35AM0.55m | 10:07AM0.55m | 11:24AM0.57m | ||||||||||||||||||
Low Tide | 00:35AM0.16m | 1:49AM0.18m | 8:18PM0.22m | ||||||||||||||||||
 |  | |  |  | | | | | |  |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | 1 | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 27 | 28 | 27 | 25 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 25 | 25 |
Feels °C | 27 | 27 | 26 | 25 | 25 | 26 | 25 | 25 | 27 | 28 | 26 | 25 | 25 | 25 | 26 | 25 | 27 | 26 | 27 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SSW 16 | SSW 17 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 |
| kJ | 258 | 258 | 326 | 522 | 659 | 651 | 637 | 576 | 556 | 530 | 566 | 559 | 452 | 487 | 392 | 382 | 367 | 377 | 382 | 382 | 272 |
Swell 2 Height (m) Direction Period (s) | SSW 19 | SSW 19 | SSW 19 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSW 19 | SE 8 | SE 7 | SE 7 | SSE 8 | SE 8 | SE 7 | S 18 | S 16 |
| kJ | 214 | 212 | 214 | 11 | 10 | 10 | 10 | 9 | 10 | 9 | 9 | 8 | 72 | 31 | 36 | 38 | 40 | 28 | 23 | 99 | 139 |
Swell 3 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | SSW 10 | SSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | S 21 | S 21 | W 9 | S 20 | S 20 | S 20 | S 18 | S 18 | S 18 | W 8 | S 13 |
| kJ | 16 | 16 | 15 | 10 | 10 | 8 | 8 | 8 | 8 | 8 | 36 | 35 | 6 | 67 | 67 | 67 | 162 | 162 | 154 | 1 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 8 | E 7 |
| kJ | 293 | 334 | 411 | 419 | 477 | 477 | 477 | 505 | 383 | 383 | 326 | 359 | 401 | 326 | 287 | 333 | 306 | 282 | 348 | 388 | 419 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 22 | 22 | 22 | 22 | 5 | 5 | 5 | 31 | 31 | 307 | 124 | 5 | 5 | 5 | 5 | 5 | 22 | 25 | 5 | 5 | 5 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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