Surf Forecasts:
How big are the waves at Kalapaki Beach today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3.5ft (1.0m), 17s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3.5ft (1.0m), 17s period with SSW swell.
- Evening surf: Evening surf (18 Sep, local time) - 3.5ft (1.0m), 16s period with SSW swell.
The current surf forecast for Kalapaki Beach at 4PM is: 1.0m 17s primary swell from a South-southwest direction and 0.2m 10s secondary swell from a South-southeast direction, 1.7m 8s secondary swell from a East-northeast direction (forecast issued at 07:00am September 18). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3.5ft (1.0m) | 17s |
| Afternoon (18 Sep) | 3.5ft (1.0m) | 17s |
| Evening (18 Sep) | 3.5ft (1.0m) | 16s |
Table - waves today at Kalapaki Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Fri morning. Warm (max 27°C on Fri morning, min 25°C on Fri morning). Wind will be generally light. | |||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||||
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) | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | ENE 8 | SSW 16 | SSW 16 | ENE 7 | ENE 8 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 637 | 629 | 608 | 587 | 566 | 559 | 539 | 532 | 519 | 463 | 394 | 406 | 382 | 405 | 405 | 395 | 547 | 540 | 419 | 468 | 468 | 468 | 468 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross | cross-on | cross | cross | cross | cross | cross |
High Tide | 10:23AM0.54m | 9:42PM0.19m | 11:33AM0.55m | 11:46PM0.22m | 12:24PM0.57m | ||||||||||||||||||
Low Tide | 9:18PM0.19m | 2:25AM0.15m | 8:14PM0.19m | 4:07AM0.15m | 8:09PM0.18m | ||||||||||||||||||
 |  | | |  | | |  |  | |  | | | | | | | | | | | | | |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — |
mm | 1 | 1 | 2 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 25 | 25 |
Feels °C | 26 | 25 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 25 | 26 | 26 | 25 | 26 | 27 | 25 | 25 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | 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 | SW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 637 | 629 | 608 | 587 | 566 | 559 | 539 | 532 | 519 | 463 | 367 | 377 | 382 | 382 | 239 | 346 | 547 | 540 | 419 | 468 | 468 | 468 | 468 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 21 | SE 7 | NNE 7 | SE 6 | SE 9 | SE 8 | SSE 7 | S 18 | SE 9 | S 16 | SSW 14 | SE 6 | SSE 8 | SE 8 | SSE 8 | SE 7 | W 12 | SSE 8 |
| kJ | 10 | 9 | 9 | 9 | 9 | 36 | 26 | 35 | 19 | 36 | 28 | 32 | 160 | 38 | 264 | 104 | 20 | 26 | 32 | 45 | 23 | 11 | 25 |
Swell 3 Height (m) Direction Period (s) | W 9 | WSW 9 | WSW 9 | W 9 | S 21 | W 9 | SSW 19 | SSE 7 | S 20 | S 20 | S 18 | S 18 | SE 7 | S 18 | SE 8 | SSE 8 | N 12 | N 11 | W 13 | N 11 | W 12 | N 11 | W 12 |
| kJ | 2 | 8 | 8 | 6 | 36 | 6 | 72 | 30 | 67 | 67 | 162 | 162 | 23 | 99 | 31 | 43 | 3 | 2 | 3 | 2 | 11 | 2 | 11 |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | E 8 | ENE 8 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 |
| kJ | 524 | 422 | 408 | 378 | 348 | 395 | 326 | 287 | 344 | 371 | 394 | 406 | 382 | 405 | 405 | 395 | 364 | 395 | 346 | 335 | 293 | 335 | 299 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 17 | 33 | 39 | 421 | 122 | 17 | 17 | 17 | 17 | 33 | 33 | 33 | 33 | 17 | 17 | 17 | 17 | 31 | 33 | 31 | 39 | 39 | 17 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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