Surf Forecasts:
How big are the waves at Kalapaki Beach today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 6ft (1.9m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 3.5ft (1.0m), 14s period with S swell.
- Evening surf: Evening surf (21 Sep, local time) - 5ft (1.6m), 8s period with ENE swell.
The current surf forecast for Kalapaki Beach at 2AM is: 2.1m 7s primary swell from a East direction and 1.0m 15s secondary swell from a South direction (forecast issued at 07:00pm September 20). An open ocean swell of 0.2m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 6ft (1.9m) | 8s |
| Afternoon (21 Sep) | 3.5ft (1.0m) | 14s |
| Evening (21 Sep) | 5ft (1.6m) | 8s |
Table - waves today at Kalapaki Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Warm (max 27°C on Tue afternoon, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
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 15 | SSW 15 | S 15 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 468 | 468 | 468 | 452 | 459 | 471 | 427 | 394 | 324 | 333 | 333 | 300 | 280 | 302 | 310 | 310 | 273 | 280 | 301 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 00:31AM0.26m | 1:03PM0.59m | 1:07AM0.30m | 1:35PM0.59m | |||||||||||||||
Low Tide | 8:09PM0.18m | 5:23AM0.13m | 8:11PM0.17m | 6:19AM0.11m | 8:19PM0.15m | ||||||||||||||
 |  | |  |  | | |  | | | | | | | | | | |  | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | 6:35 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:32 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 25 |
Feels °C | 26 | 25 | 25 | 24 | 24 | 24 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 28 | 27 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | S 15 | S 14 | S 14 | S 14 | S 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 13 | S 12 | S 12 | S 12 |
| kJ | 468 | 468 | 468 | 435 | 417 | 411 | 411 | 394 | 304 | 299 | 295 | 232 | 229 | 229 | 215 | 212 | 196 | 146 | 144 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 13 | N 13 | NNW 13 | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 |
| kJ | 17 | 16 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 30 | 31 | 55 | 75 | 103 | 99 | 89 | 86 | 61 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | NNW 11 | N 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | N 15 | N 14 | S 16 | W 13 | S 16 | W 12 | SW 19 | SW 19 | SW 17 | SW 17 |
| kJ | 11 | 11 | 11 | 9 | 11 | 10 | 10 | 10 | 9 | 17 | 16 | 19 | 29 | 20 | 25 | 57 | 91 | 72 | 75 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | E 7 | E 7 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 |
| kJ | 327 | 335 | 400 | 452 | 459 | 471 | 427 | 385 | 324 | 333 | 333 | 300 | 280 | 302 | 310 | 310 | 273 | 280 | 301 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 31 | 31 | 47 | 33 | 31 | 33 | 31 | 31 | 31 | 17 | 17 | 17 | 17 | 17 | 17 | 31 | 17 | 17 | 17 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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