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Surf Forecasts:
Inside Poipu surfForecast / HAW – Kaua'i / USA
12 Day Weather and Surf, issued 1 pm Saturday 07 Mar 2026 HSTForecast update in hr min s Forecast update imminent
Inside Poipu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Inside Poipu sea temperature is
24.8° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Inside Poipu this week:
The surf forecast for Inside Poipu over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Mar 09) at 8PM. The primary swell is predicted to be 1.4m and 10s period with a secondary swell of 0.8m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Inside Poipu in the next 12 days are 4.0m 9s and forecast to arrive on Saturday (Mar 14) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Saturday (Mar 14) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Mon 9th Mar) | 4.5ft (1.4m) 10s |
| Best Surf | 8PM (Mon 9th Mar) | 4.5ft (1.4m) 10s |
| Most Powerful | 2AM (Sat 14th Mar) | 13ft (4.0m) 9s |
Table - best surf conditions forecast for Inside Poipu over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 7mm), mostly falling on Mon night. Warm (max 25°C on Sat afternoon, min 22°C on Sat night). Wind will be generally light. | Days 3-6 Weather Summary Heavy rain (total 131mm), heaviest during Fri morning. Warm (max 25°C on Thu morning, min 21°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||
Sat 07 | Sunday 08 | Monday 09 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 6 | 7 | 8 | 7 | 7 | 6 | 6 | 8 | 9 | 9 | 9 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 367 | 476 | 541 | 430 | 397 | 405 | 363 | 300 | 207 | 169 | 293 | 467 | 684 | 569 | 352 | 111 | 260 | 1145 | 1925 | 2194 | 397 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | ||
High Tide / height (m) | 6:41PM 0.57 | 5:16AM 0.39 | 7:34PM 0.55 | 4:51AM 0.35 | 8:50PM 0.54 | 10:28PM 0.54 | 11:47PM 0.57 | 11:12AM 0.23 | 12:39AM 0.60 | 12:34PM 0.26 | 1:16AM 0.64 | 1:17PM 0.31 | |||||||||||
Low Tide / height (m) | 1:01AM 0.31 | 11:51AM 0.12 | 2:43AM 0.34 | 12:16PM 0.13 | 12:51PM 0.15 | 2:03PM 0.17 | 9:09AM 0.22 | 4:06PM 0.18 | 8:34AM 0.20 | 5:32PM 0.16 | 8:36AM 0.18 | ||||||||||||
Sat 07 | Sunday 08 | Monday 09 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | |||||||||||||||||
| Sunrise | - | - | 6:52 | - | - | 6:52 | - | - | 6:50 | - | - | 6:50 | - | - | 6:48 | - | - | 6:48 | - | - | 6:47 | ||
| Sunset | 6:44 | - | - | 6:44 | - | - | 6:44 | - | - | 6:45 | - | - | 6:45 | - | - | 6:45 | - | - | 6:45 | - | - | ||
 |  | |  |  | | | | | | | | | | | | | | | |  | |||
Rain (mm) | - | 2 | - | 1 | - | - | - | 3 | 1 | 4 | 35 | 11 | 11 | 14 | 7 | 8 | 25 | 16 | 31 | 22 | 9 | ||
| Temp. °C | 25 | 23 | 24 | 24 | 23 | 24 | 24 | 23 | 23 | 24 | 23 | 22 | 24 | 23 | 25 | 25 | 22 | 22 | 23 | 24 | 24 | ||
| Feels °C (?) | 25 | 23 | 24 | 24 | 24 | 25 | 24 | 26 | 23 | 23 | 22 | 22 | 23 | 22 | 24 | 25 | 22 | 21 | 20 | 21 | 21 | ||
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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 Inside Poipu 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 Inside Poipu Surf forecast
The above surf forecast table for Inside Poipu provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Inside Poipu can be found by selecting the local surf guide option on the grey menu. Our Inside Poipu 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 (Inside Poipu) 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 Inside Poipu 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 Inside Poipu, camping, hotels and condos and appartments in Kaua'i, consider staying in Nawiliwili which is 14 km (9 miles) away. Alternatively, find information about places to stay and car hire in Lihue - Kauai which is 16 km (10 miles) away
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