Surf Forecasts:
Kalapaki Beach surf forecast from 24 Jul 2026:
- Best quality surf: Wednesday 29 Jul, 5PM (local time) - 10ft (3.0m), 11s period, ENE swell with offshore winds.
- Most powerful swell: Wednesday 29 Jul, 2PM (local time) - 10ft (3.0m), 12s period, ENE swell with 2,676 kJ wave energy.
- Next surfable swell (1★+): Wednesday 29 Jul, 5PM (local time) - 10ft (3.0m), 11s period with ENE 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 (Jul 29) at 5PM. The primary swell is predicted to be 3.0m and 11s period with a secondary swell of 0.8m and 14s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Kalapaki Beach in the next 16 days are 3.0m 12s and forecast to arrive on Wednesday (Jul 29) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 10s period and expected on Wednesday (Jul 29) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Wed 29th Jul) | 10ft (3.0m) 11s |
| Best Surf | 5PM (Wed 29th Jul) | 10ft (3.0m) 11s |
| Most Powerful | 2PM (Wed 29th Jul) | 10ft (3.0m) 12s |
Table - best surf conditions forecast for Kalapaki Beach over the next 16 days.
The Lowdown
Howdy, Rusty here again, with the numbers in feet and knots for you.
Alright, let’s break down Kalapaki Beach for the next two weeks. It ain’t pretty to start. Friday morning, 24th July, we’ve got a messy 7ft swell out of the ENE with a fresh 16-knot cross-onshore wind. The combined energy is beefy (1051), but it’s lumpy and poor. Water temp is 27°, dead average for the season, nothing weird.
The weekend of the 25th and 26th stays marginal. We see that long-period groundswell from the SSW running 16 to 19 seconds, but the waves are only 3ft to 3ft, and the wind is cross-shore. That long period for a beach break like this means the waves will break straight and the sets will be spaced out – not great for shape.
Monday the 27th and Tuesday the 28th are more of the same: small E swell, cross-shore wind, and just okay conditions.
The big moment is Wednesday the 29th of July. Morning kicks off with 10ft of ENE swell and a 12-second period, with a light 11-knot cross-offshore wind from the N. The energy hits a massive (4455). But the afternoon is where it’s at: a gentle 8-knot offshore wind from the NNW, the swell holding at 10ft with an 11-second period, and clean conditions. This is expert territory – anything over 8ft is for the experienced crew. Crowds are common, so don’t expect to have it to yourself.
From Thursday the 30th of July onward, it’s a long stretch of poor to marginal surf. We get a bit of a boost on 2nd August with 7ft to 8ft ENE swell, but the wind stays cross-shore and the waves are lumpy. By 7th and 8th August, it’s tiny – 2ft to 3ft from the SSW, and the wind is cross-onshore again. Not worth the effort.
So, the one true call is Wednesday the 29th of July, especially the afternoon. The rest of the forecast is a quiet, frustrating stretch.
Rusty.
Short Range ForecastLight rain (total 7mm), mostly falling on Fri morning. Warm (max 26°C on Fri afternoon, min 23°C on Fri night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Wed night. Warm (max 26°C on Tue morning, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||||
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) | ENE 7 | SSW 17 | ENE 8 | SSW 19 | SSW 18 | SSW 18 | SSW 16 | ENE 8 | E 15 | E 14 | E 14 | E 14 | E 13 | E 13 | ENE 13 | ENE 12 | ENE 11 | ENE 10 | ENE 8 | ENE 8 | ENE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 419 | 428 | 428 | 627 | 731 | 790 | 575 | 452 | 424 | 492 | 439 | 515 | 976 | 1228 | 2304 | 2383 | 2099 | 853 | 521 | 376 | 327 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross-off | cross-off | off | cross-on | on | cross-on | cross-on |
High Tide | 1:36PM0.61m | 00:21AM0.18m | 2:14PM0.63m | 1:16AM0.20m | 2:48PM0.65m | 1:57AM0.21m | 3:20PM0.66m | 2:33AM0.23m | 3:50PM0.67m | 3:10AM0.25m | 4:18PM0.66m | 3:49AM0.27m | 4:44PM0.65m | 4:33AM0.29m | |||||||
Low Tide | 10:06PM0.17m | 6:00AM0.03m | 10:10PM0.16m | 6:48AM0.01m | 10:20PM0.16m | 7:31AM-0.01m | 10:33PM0.16m | 8:11AM-0.02m | 10:50PM0.15m | 8:48AM-0.01m | 11:10PM0.13m | 9:25AM0.00m | 11:32PM0.11m | ||||||||
 | |  | |  |  |  | | | | | |  | |  | | |  | | | | |
 | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — |
 | — | 7:21 | — | — | 7:20 | — | — | 7:20 | — | — | 7:19 | — | — | 7:19 | — | — | 7:17 | — | — | 7:17 | — |
mm | 2 | 1 | 2 | 2 | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | 3 | 1 | — | 1 |
Temp °C | 25 | 26 | 25 | 24 | 25 | 24 | 25 | 26 | 24 | 25 | 25 | 24 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 27 | 25 |
Feels °C | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 25 | 23 | 24 | 24 | 23 | 27 | 26 | 25 | 25 | 28 | 29 | 27 | 27 | 25 |
Swell 1 Height (m) Direction Period (s) | S 12 | SSW 17 | SSW 16 | SSW 19 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | E 15 | E 14 | E 14 | E 14 | E 13 | E 13 | SSW 13 | ENE 12 | ENE 11 | ENE 10 | ENE 8 | S 13 | S 13 |
| kJ | 190 | 428 | 302 | 627 | 731 | 790 | 575 | 452 | 424 | 492 | 439 | 515 | 976 | 1228 | 137 | 2383 | 2099 | 853 | 521 | 219 | 209 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | S 12 | S 20 | SSW 16 | S 11 | E 13 | E 15 | E 15 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | S 16 | S 14 | S 14 | S 14 | S 13 | SSE 5 | SSE 6 |
| kJ | 356 | 138 | 408 | 196 | 61 | 53 | 107 | 294 | 416 | 292 | 284 | 213 | 189 | 141 | 77 | 206 | 264 | 232 | 225 | 17 | 26 |
Swell 3 Height (m) Direction Period (s) | S 22 | S 21 | S 12 | S 12 | E 14 | E 16 | E 12 | S 11 | SSE 11 | S 10 | SE 11 | SE 11 | SE 10 | SE 10 | SE 8 | SSE 10 | SSW 19 | SW 19 | SW 18 | SW 18 | SSW 16 |
| kJ | 86 | 326 | 136 | 95 | 33 | 45 | 47 | 20 | 12 | 8 | 18 | 18 | 15 | 24 | 3 | 9 | 37 | 58 | 154 | 152 | 175 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NNE 9 | NNE 7 | ENE 13 | ENE 12 | — | S 4 | SSE 4 | ENE 8 | ENE 7 |
| kJ | 419 | 426 | 428 | 483 | 519 | 536 | 452 | 408 | 327 | 279 | 282 | 237 | 264 | 145 | 2304 | 1857 | — | 28 | 26 | 376 | 327 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 33 | 33 | 17 | 31 | 31 | 31 | 31 | 31 | 17 | 17 | 31 | 14 | 17 | 31 | 14 | 13 | 0 | 10 | 118 | 118 | 17 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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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