Surf Forecasts:
How big are the waves at Kalapaki Beach today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 8ft (2.4m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 10ft (3.0m), 9s period with ENE swell.
- Evening surf: Evening surf (15 Aug, local time) - 11ft (3.5m), 10s period with ENE swell.
The current surf forecast for Kalapaki Beach at 8PM is: 3.5m 9s primary swell from a East-northeast direction and 0.8m 13s secondary swell from a South direction, 0.4m 16s secondary swell from a South direction (forecast issued at 01:00pm August 15). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 8ft (2.4m) | 8s |
| Afternoon (15 Aug) | 10ft (3.0m) | 9s |
| Evening (15 Aug) | 11ft (3.5m) | 10s |
Table - waves today at Kalapaki Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 44mm), heaviest during Sun afternoon. Warm (max 26°C on Sat afternoon, min 24°C on Mon night). Winds decreasing (strong winds from the E on Sun morning, light winds from the ENE by Mon night). | |||||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | |||||||||||||||||||
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 8 | ENE 8 | ENE 9 | ENE 9 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | S 14 | ENE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 887 | 1147 | 1432 | 1998 | 2326 | 2932 | 3301 | 3821 | 4190 | 3566 | 1101 | 878 | 678 | 575 | 463 | 398 | 385 | 375 | 330 | 329 | 276 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on |
High Tide | 5:29PM0.52m | 6:32AM0.43m | 5:50PM0.44m | 7:34AM0.46m | 6:01PM0.36m | ||||||||||||||||
Low Tide | 11:06AM0.12m | 00:00AM0.06m | 12:01PM0.20m | 00:26AM0.06m | 1:11PM0.26m | ||||||||||||||||
 |  | |  |  | |  |  | | |  | | | | | | | | |  | | |
 | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — |
mm | — | 1 | 1 | 1 | 1 | 1 | 2 | 6 | 7 | 9 | 5 | 3 | 2 | 1 | 1 | 2 | 1 | — | — | — | — |
Temp °C | 26 | 26 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 |
Feels °C | 24 | 24 | 24 | 23 | 24 | 24 | 22 | 22 | 21 | 23 | 27 | 26 | 25 | 26 | 27 | 26 | 27 | 27 | 25 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 13 | S 14 | S 16 | SE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SSE 6 | S 14 | S 14 |
| kJ | 280 | 222 | 219 | 219 | 166 | 173 | 242 | 117 | 146 | 190 | 989 | 630 | 363 | 247 | 177 | 128 | 99 | 44 | 66 | 329 | 253 |
Swell 2 Height (m) Direction Period (s) | E 12 | S 16 | S 16 | S 16 | S 18 | S 18 | S 18 | S 17 | S 17 | S 13 | S 16 | S 13 | S 13 | S 14 | S 14 | S 15 | S 14 | S 6 | S 13 | SSE 6 | SSE 6 |
| kJ | 104 | 46 | 46 | 84 | 152 | 98 | 98 | 214 | 142 | 85 | 181 | 168 | 212 | 229 | 194 | 267 | 338 | 41 | 155 | 23 | 15 |
Swell 3 Height (m) Direction Period (s) | W 13 | SE 12 | SE 13 | W 13 | W 13 | WNW 12 | WNW 12 | WNW 12 | W 12 | WNW 12 | S 13 | S 16 | S 16 | S 16 | S 16 | S 10 | SE 11 | S 15 | S 15 | S 6 | SSW 6 |
| kJ | 29 | 24 | 27 | 30 | 29 | 29 | 48 | 28 | 25 | 26 | 121 | 183 | 181 | 127 | 131 | 44 | 19 | 150 | 150 | 19 | 11 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 9 | ENE 9 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 887 | 1147 | 1432 | 1998 | 2326 | 2932 | 3301 | 3821 | 4190 | 3566 | 1101 | 878 | 678 | 575 | 463 | 398 | 385 | 375 | 330 | 312 | 276 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 31 | 31 | 31 | 39 | 47 | 39 | 300 | 47 | 231 | 133 | 133 | 126 | 126 | 126 | 126 | 126 | 126 | 126 | 126 | 39 | 47 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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