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 8PM is: 1.3m 15s primary swell from a South direction and 0.3m 9s secondary swell from a Southeast direction, 1.6m 7s secondary swell from a East-northeast direction (forecast issued at 01:00pm August 13). 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 ForecastModerate rain (total 18mm), heaviest on Sun morning. Warm (max 27°C on Thu afternoon, min 25°C on Thu night). Mainly strong winds. | |||||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||||
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) | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | ENE 8 | S 14 | S 14 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1004 | 979 | 784 | 743 | 743 | 743 | 743 | 614 | 598 | 496 | 496 | 489 | 482 | 555 | 652 | 824 | 979 | 1128 | 1236 | 1431 | 1767 |
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 | 4:34PM0.66m | 4:44AM0.37m | 5:03PM0.59m | 5:36AM0.41m | 5:29PM0.52m | ||||||||||||||||
Low Tide | 9:30AM-0.00m | 11:09PM0.08m | 10:17AM0.05m | 11:35PM0.07m | 11:06AM0.12m | ||||||||||||||||
 |  | |  |  |  | | | | | | | | |  |  | | | |  | | |
 | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Temp °C | 26 | 27 | 26 | 25 | 25 | 26 | 25 | 26 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 24 | 26 | 25 | 25 | 25 | 25 | 23 | 25 | 24 | 26 | 25 | 24 | 25 | 24 | 25 | 24 | 25 | 25 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | 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 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
| kJ | 1004 | 979 | 784 | 743 | 743 | 743 | 743 | 614 | 598 | 496 | 496 | 489 | 482 | 394 | 361 | 284 | 280 | 222 | 219 | 219 | 166 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | W 11 | SE 9 | W 11 | W 12 | W 12 | W 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 13 | SE 13 | SE 11 | W 11 | W 13 | S 16 | S 16 | S 16 | S 18 |
| kJ | 25 | 24 | 23 | 14 | 10 | 10 | 24 | 24 | 22 | 22 | 21 | 35 | 42 | 27 | 20 | 21 | 29 | 46 | 46 | 84 | 154 |
Swell 3 Height (m) Direction Period (s) | SW 19 | SW 19 | SE 10 | W 11 | SE 9 | SE 12 | SE 12 | SW 18 | W 12 | W 12 | W 11 | W 11 | ESE 11 | W 11 | W 11 | SE 12 | SE 12 | SE 12 | SE 13 | W 13 | W 13 |
| kJ | 14 | 14 | 14 | 22 | 14 | 6 | 22 | 12 | 11 | 11 | 22 | 21 | 25 | 21 | 21 | 24 | 21 | 25 | 26 | 30 | 29 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 194 | 194 | 183 | 220 | 268 | 307 | 360 | 392 | 432 | 437 | 416 | 429 | 452 | 555 | 652 | 824 | 979 | 1128 | 1236 | 1431 | 1767 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 31 | 31 | 31 | 17 | 17 | 17 | 31 | 17 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 39 | 31 | 31 | 31 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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