Surf Forecasts:
How big are the waves at Kalapaki Beach today (08 Sep):
- Morning surf: Morning surf (08 Sep, local time) - 13ft (4.0m), 10s period with SW swell.
- Afternoon surf: Afternoon surf (08 Sep, local time) - 8ft (2.5m), 9s period with SSW swell.
- Evening surf: Evening surf (08 Sep, local time) - 5.5ft (1.7m), 11s period with ENE swell.
The current surf forecast for Kalapaki Beach at 1AM is: 9.5m 14s primary swell from a South-southwest direction and 2.3m 10s secondary swell from a East-northeast direction (forecast issued at 07:00pm September 07). An open ocean swell of 0.2m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Sep) | 13ft (4.0m) | 10s |
| Afternoon (08 Sep) | 8ft (2.5m) | 9s |
| Evening (08 Sep) | 5.5ft (1.7m) | 11s |
Table - waves today at Kalapaki Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Mon night. Warm (max 27°C on Tue morning, min 25°C on Tue night). Winds decreasing (severe gales from the SSE on Mon night, calm by Wed night). | |||||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | |||||||||||||||||
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 15 | SSW 16 | S 15 | SSW 14 | SSW 12 | SW 10 | SSW 9 | SSW 9 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 4394 | 13388 | 41846 | 33043 | 10791 | 3136 | 1848 | 1149 | 737 | 693 | 619 | 531 | 418 | 346 | 336 | 326 | 253 | 249 | 246 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | on | on | glassy | glassy |
High Tide | 1:36AM0.30m | 2:20PM0.68m | 2:21AM0.36m | 2:54PM0.66m | |||||||||||||||
Low Tide | 8:46PM0.13m | 7:02AM0.02m | 9:05PM0.11m | 7:55AM0.03m | 9:25PM0.09m | ||||||||||||||
 |  | | | |  | |  | |  | | | | | | | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | 5 | 12 | 13 | 4 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 26 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 22 | 18 | 16 | 19 | 23 | 24 | 26 | 27 | 28 | 28 | 29 | 28 | 30 | 29 | 30 | 29 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 16 | ENE 10 | ENE 10 | ENE 10 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 |
| kJ | 4394 | 13388 | 473 | 1020 | 778 | 843 | 814 | 679 | 693 | 693 | 619 | 531 | 418 | 346 | 264 | 203 | 165 | 147 | 105 |
Swell 2 Height (m) Direction Period (s) | NNW 13 | NNW 13 | — | NNW 12 | SE 9 | SE 9 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 8 | SSW 8 | S 8 | S 8 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 17 | 17 | — | 14 | 427 | 481 | 494 | 468 | 449 | 443 | 310 | 223 | 145 | 118 | 336 | 326 | 253 | 249 | 246 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SW 20 | SSW 16 | SW 20 | NW 9 | NW 8 | NW 8 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 8 | S 8 | S 7 | E 13 | E 13 |
| kJ | — | — | — | — | 15 | 337 | 15 | 79 | 43 | 32 | 437 | 431 | 351 | 346 | 90 | 72 | 54 | 168 | 166 |
Wind waves Height (m) Direction Period (s) | E 8 | ESE 9 | S 15 | SSW 14 | SSW 12 | SW 10 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | — | — | — | — | — | — | — | — | — |
| kJ | 2319 | 4129 | 41846 | 33043 | 10791 | 3136 | 1848 | 1149 | 737 | 460 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 296 | 296 | 297 | 320 | 33 | 31 | 33 | 22 | 22 | 10 | 10 | 10 | 10 | 10 | 10 | 45 | 32 | 0 | 0 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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