Surf Forecasts:
How big are the waves at Kalapaki Beach today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 4.5ft (1.4m), 16s period with S swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 4.5ft (1.4m), 16s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 4.5ft (1.3m), 15s period with S swell.
The current surf forecast for Kalapaki Beach at 3AM is: 1.5m 16s primary swell from a South direction and 0.4m 9s secondary swell from a Southeast direction, 1.4m 6s secondary swell from a East-northeast direction (forecast issued at 07:00pm August 12). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 4.5ft (1.4m) | 16s |
| Afternoon (13 Aug) | 4.5ft (1.4m) | 16s |
| Evening (13 Aug) | 4.5ft (1.3m) | 15s |
Table - waves today at Kalapaki Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sat morning. Warm (max 27°C on Thu morning, min 25°C on Wed night). Mainly fresh winds. | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | |||||||||||||||||
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) | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 741 | 733 | 667 | 1178 | 1164 | 1149 | 1004 | 979 | 784 | 743 | 743 | 743 | 743 | 614 | 598 | 496 | 496 | 520 | 540 |
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 |
High Tide | 4:02PM0.71m | 3:54AM0.34m | 4:34PM0.66m | 4:44AM0.37m | 5:03PM0.59m | ||||||||||||||
Low Tide | 10:44PM0.10m | 9:30AM-0.00m | 11:09PM0.08m | 10:17AM0.05m | |||||||||||||||
 |  | | |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | 7:09 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 25 | 25 | 26 | 25 | 25 | 26 | 27 | 26 | 25 | 26 |
Feels °C | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 24 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 |
| kJ | 741 | 733 | 667 | 1178 | 1164 | 1149 | 1004 | 979 | 784 | 743 | 743 | 743 | 743 | 614 | 598 | 496 | 496 | 489 | 405 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SE 9 | SE 9 | W 12 | W 12 | W 12 | SE 9 | SE 9 | W 11 | W 12 | W 12 | W 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 13 |
| kJ | 289 | 273 | 218 | 22 | 22 | 25 | 25 | 24 | 14 | 13 | 10 | 10 | 11 | 25 | 22 | 22 | 21 | 22 | 26 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | WNW 12 | WNW 12 | SW 19 | SW 19 | SW 19 | W 11 | W 11 | SSE 10 | SE 12 | SE 12 | SW 18 | W 12 | W 12 | W 11 | W 11 | W 11 |
| kJ | 20 | 21 | 22 | 27 | 27 | 14 | 14 | 14 | 23 | 22 | 10 | 6 | 23 | 12 | 11 | 11 | 22 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 131 | 155 | 160 | 160 | 165 | 188 | 165 | 170 | 183 | 207 | 307 | 360 | 383 | 414 | 456 | 438 | 450 | 520 | 540 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 31 | 31 | 17 | 17 | 16 | 17 | 17 | 31 | 31 | 33 | 17 | 17 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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