Surf Forecasts:
Kalapaki Beach surf forecast from 5 Oct 2026:
- Best quality surf: Saturday 10 Oct, 2PM (local time) - 3.5ft (1.0m), 20s period, S swell with cross-offshore winds.
- Most powerful swell: Sunday 11 Oct, 5AM (local time) - 3.5ft (1.1m), 18s period, S swell with 749 kJ wave energy.
- Next surfable swell (1★+): Wednesday 7 Oct, 2AM (local time) - 3.5ft (1.0m), 15s period with S swell.
Best Forecast Surf Conditions for Kalapaki Beach this week:
The surf forecast for Kalapaki Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 07) at 2AM. The primary swell is predicted to be 1.0m and 15s period with a secondary swell of 0.6m and 6s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Kalapaki Beach in the next 16 days are 1.1m 18s and forecast to arrive on Sunday (Oct 11) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 11s period and expected on Saturday (Oct 10) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Wed 7th Oct) | 3.5ft (1.0m) 15s |
| Best Surf | 2PM (Sat 10th Oct) | 3.5ft (1.0m) 20s |
| Most Powerful | 5AM (Sun 11th Oct) | 3.5ft (1.1m) 18s |
Table - best surf conditions forecast for Kalapaki Beach over the next 16 days.
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Warm (max 26°C on Mon morning, min 24°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Thu night. Warm (max 26°C on Thu morning, min 23°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | S 15 | SSW 14 | SSW 14 | SSW 14 | S 18 | S 18 | S 18 | S 17 | S 16 | SSW 16 | S 20 | S 19 | S 18 | S 18 | S 16 | S 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 499 | 465 | 427 | 429 | 392 | 435 | 366 | 281 | 304 | 325 | 232 | 395 | 377 | 628 | 333 | 477 | 738 | 614 | 389 | 252 | 321 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross | glassy | glassy | cross | cross-off | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross |
High Tide | 12:24PM0.63m | 00:55AM0.32m | 1:06PM0.61m | 1:40AM0.40m | 1:41PM0.58m | 2:20AM0.47m | 2:13PM0.53m | 2:58AM0.53m | 2:41PM0.47m | 3:35AM0.58m | 3:06PM0.41m | 4:11AM0.62m | 3:30PM0.36m | 4:47AM0.64m | |||||||
Low Tide | 7:34PM0.12m | 6:03AM0.12m | 7:52PM0.09m | 7:06AM0.12m | 8:10PM0.07m | 8:00AM0.13m | 8:28PM0.05m | 8:51AM0.14m | 8:48PM0.02m | 9:41AM0.16m | 9:08PM0.01m | 10:31AM0.18m | 9:29PM0.01m | ||||||||
 | |  |  | |  | | | | | | |  | | | | |  | | | | |
 | 6:28 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — |
 | — | 6:21 | — | — | 6:20 | — | — | 6:19 | — | — | 6:17 | — | — | 6:16 | — | — | 6:15 | — | — | 6:15 | — |
mm | — | — | 4 | 2 | — | — | — | — | — | — | — | 1 | — | 2 | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 24 |
Feels °C | 25 | 26 | 25 | 26 | 26 | 27 | 29 | 28 | 27 | 28 | 26 | 28 | 29 | 30 | 28 | 26 | 26 | 25 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | S 15 | SSW 14 | SSW 14 | SSW 14 | W 15 | W 14 | S 13 | NNW 10 | S 16 | NNW 11 | N 11 | N 10 | N 10 | S 18 | S 16 | S 16 |
| kJ | 499 | 465 | 427 | 429 | 392 | 435 | 366 | 281 | 304 | 287 | 199 | 206 | 140 | 628 | 314 | 345 | 313 | 192 | 389 | 252 | 321 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | N 6 | N 7 | NNE 6 | NNE 7 | NNW 14 | NNW 13 | W 16 | SSW 13 | SSW 14 | S 18 | S 17 | NNW 10 | SSW 16 | SSW 15 | S 19 | S 18 | S 13 | N 9 | S 13 |
| kJ | 57 | 57 | 24 | 22 | 22 | 27 | 140 | 120 | 245 | 184 | 192 | 395 | 377 | 146 | 333 | 288 | 738 | 614 | 225 | 81 | 117 |
Swell 3 Height (m) Direction Period (s) | NNW 12 | NW 11 | E 13 | E 12 | E 12 | NNW 16 | NNE 7 | W 16 | S 19 | S 18 | S 18 | NNW 10 | S 12 | W 13 | S 21 | S 20 | S 15 | S 14 | N 9 | S 13 | N 9 |
| kJ | 56 | 33 | 54 | 45 | 44 | 100 | 30 | 188 | 266 | 325 | 232 | 116 | 148 | 121 | 323 | 477 | 343 | 136 | 87 | 171 | 55 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 6 | — | — | SE 6 | WSW 7 | SSE 6 | — | — | — | — | ENE 6 | — | — | ENE 7 | ENE 4 | E 4 |
| kJ | 156 | 103 | 64 | 43 | 35 | 28 | — | — | 6 | 5 | 3 | — | — | — | — | 22 | — | — | 30 | 9 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 17 | 17 | 17 | 31 | 13 | 0 | 0 | 10 | 0 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 17 | 14 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kalapaki Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Kalapaki Beach Surf forecast
The above surf forecast table for Kalapaki Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kalapaki Beach can be found by selecting the local surf guide option on the grey menu. Our Kalapaki Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kalapaki Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kalapaki Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a vacation in Kaua'i? If you are looking for accommodation near Kalapaki Beach, camping, hotels and condos and appartments in Kaua'i, consider staying in Nawiliwili which is 1 km (1 miles) away. Alternatively, find information about places to stay and car hire in Lihue - Kauai which is 3 km (2 miles) away
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