Surf Forecasts:
How big are the waves at Kalapaki Beach today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 2.5ft (0.8m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 3ft (0.9m), 18s period with SSW swell.
- Evening surf: Evening surf (16 Sep, local time) - 3ft (0.9m), 18s period with SW swell.
The current surf forecast for Kalapaki Beach at 9PM is: 0.9m 18s primary swell from a Southwest direction and 0.5m 10s secondary swell from a East direction (forecast issued at 01:00pm September 16). An open ocean swell of 1.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 2.5ft (0.8m) | 18s |
| Afternoon (16 Sep) | 3ft (0.9m) | 18s |
| Evening (16 Sep) | 3ft (0.9m) | 18s |
Table - waves today at Kalapaki Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 37mm), heaviest during Fri morning. Warm (max 27°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||||
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) | SW 18 | SW 18 | SSW 18 | SW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SW 16 | ENE 7 | ENE 7 | SSW 17 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 449 | 449 | 541 | 444 | 386 | 443 | 412 | 326 | 258 | 431 | 495 | 587 | 659 | 651 | 637 | 629 | 608 | 587 | 566 | 659 | 539 |
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 | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 9:00AM0.53m | 10:23AM0.54m | 9:42PM0.19m | ||||||||||||||||||
Low Tide | 00:11AM0.10m | 00:58AM0.13m | 9:18PM0.19m | ||||||||||||||||||
 | |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 3 | 3 | 4 | 5 | 2 | 1 | 1 | 1 | 2 |
Temp °C | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SSW 18 | SW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | 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 |
| kJ | 449 | 449 | 541 | 444 | 386 | 443 | 412 | 326 | 258 | 258 | 326 | 587 | 659 | 651 | 637 | 629 | 608 | 587 | 566 | 659 | 539 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSW 19 | SSW 19 | SW 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SE 6 | SSW 19 |
| kJ | 36 | 33 | 32 | 50 | 51 | 51 | 51 | 74 | 96 | 212 | 214 | 15 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 72 |
Swell 3 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | SSE 12 | SW 11 | SW 11 | SSW 20 | SSW 19 | SW 10 | SW 10 | SSE 10 | WSW 10 | WSW 9 | W 9 | WSW 9 | S 20 | W 9 | S 21 | SSE 9 | W 9 |
| kJ | 33 | 31 | 43 | 19 | 27 | 30 | 19 | 158 | 214 | 16 | 15 | 10 | 9 | 9 | 2 | 8 | 33 | 6 | 36 | 8 | 2 |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | ENE 6 | ENE 6 | NE 7 | ENE 7 | ENE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 |
| kJ | 128 | 139 | 176 | 187 | 220 | 251 | 294 | 321 | 321 | 431 | 495 | 487 | 481 | 481 | 451 | 434 | 434 | 408 | 365 | 398 | 383 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 17 | 31 | 31 | 31 | 31 | 16 | 16 | 31 | 31 | 31 | 31 | 31 | 17 | 17 | 17 | 31 | 33 | 17 | 17 | 47 | 17 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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