Surf Forecasts:
Kalapaki Beach surf forecast from 18 Jun 2026:
- Most powerful swell: Thursday 18 Jun, 11AM (local time) - 4ft (1.2m), 16s period, S swell with 697 kJ wave energy.
Best Forecast Surf Conditions for Kalapaki Beach this week:
The most powerful waves expected at Kalapaki Beach in the next 16 days are 1.2m 16s and forecast to arrive on Thursday (Jun 18) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 8s period and expected on Sunday (Jun 21) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11AM (Thu 18th Jun) | 4ft (1.2m) 16s |
Table - best surf conditions forecast for Kalapaki Beach over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 26°C on Thu morning, min 23°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Mon night. Warm (max 26°C on Sat afternoon, min 23°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 18 | S 16 | S 16 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 15 | S 15 | S 20 | S 19 | S 18 | S 18 | ENE 11 | S 16 | SE 13 | SSW 15 | SSW 19 | SSW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 295 | 325 | 697 | 503 | 405 | 276 | 276 | 215 | 139 | 357 | 106 | 186 | 184 | 221 | 152 | 238 | 132 | 63 | 83 | 502 | 413 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 6:18PM0.69m | 6:09AM0.18m | 7:02PM0.63m | 7:34AM0.21m | 7:43PM0.56m | 9:10AM0.25m | 8:22PM0.48m | 10:39AM0.33m | 8:59PM0.40m | 11:49AM0.41m | 9:35PM0.32m | 12:41PM0.48m | 10:14PM0.26m | 1:22PM0.55m | |||||||
Low Tide | 1:45AM0.08m | 11:19AM-0.00m | 2:27AM0.07m | 12:15PM0.08m | 3:05AM0.05m | 1:23PM0.17m | 3:41AM0.03m | 2:58PM0.24m | 4:13AM0.02m | 5:17PM0.27m | 4:44AM0.00m | 7:53PM0.25m | 5:15AM-0.01m | ||||||||
 |  |  | | | | | | | | | | | | | |  | | | | | |
 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 |
 | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | 7:23 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 2 | — |
Temp °C | 25 | 24 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 25 | 25 | 24 | 25 |
Feels °C | 26 | 25 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | S 16 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 15 | S 12 | S 14 | S 13 | S 18 | ESE 9 | S 16 | NE 10 | NE 10 | N 8 | SSW 19 | SSW 18 |
| kJ | 295 | 269 | 697 | 503 | 405 | 276 | 276 | 215 | 139 | 357 | 100 | 175 | 167 | 221 | 55 | 129 | 84 | 60 | 31 | 502 | 413 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 16 | ENE 10 | ENE 9 | SE 12 | SE 12 | S 18 | S 17 | S 16 | SE 7 | S 15 | S 20 | S 19 | S 13 | S 12 | S 12 | S 16 | SE 8 | SE 13 | N 8 | N 8 |
| kJ | 294 | 325 | 81 | 73 | 72 | 71 | 155 | 144 | 127 | 19 | 106 | 186 | 184 | 119 | 71 | 69 | 132 | 20 | 62 | 29 | 18 |
Swell 3 Height (m) Direction Period (s) | SE 14 | ENE 5 | SE 13 | SE 13 | SSW 19 | S 19 | SE 12 | NE 6 | SE 7 | SE 11 | SE 11 | NE 8 | NE 8 | NE 12 | S 18 | SE 14 | S 12 | SE 13 | SSW 15 | SE 13 | SE 13 |
| kJ | 91 | 30 | 84 | 80 | 125 | 113 | 69 | 11 | 23 | 19 | 57 | 24 | 30 | 84 | 152 | 74 | 69 | 63 | 73 | 61 | 59 |
Wind waves Height (m) Direction Period (s) | ENE 8 | — | — | — | ENE 9 | ENE 5 | ENE 5 | E 5 | ENE 5 | ENE 6 | ENE 5 | E 5 | ENE 4 | E 4 | NE 11 | ENE 11 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ENE 6 |
| kJ | 75 | — | — | — | 68 | 30 | 29 | 20 | 39 | 31 | 43 | 24 | 12 | 24 | 145 | 238 | 60 | 58 | 83 | 181 | 186 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 31 | 13 | 14 | 14 | 13 | 31 | 14 | 17 | 31 | 16 | 17 | 31 | 31 | 17 | 31 | 31 | 17 | 31 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
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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