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Surf Forecasts:
Inside Poipu surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 1 am Friday 17 Apr 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
24.5° C
(Which is normal for this time of year)How big are the waves at Inside Poipu today?
The current surf forecast for Inside Poipu at 8AM is: 0.6m 12s primary swell from a South direction and 0.9m 4s secondary swell from a East direction (forecast issued at 01:00am April 17). An open ocean swell of 0.5m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 2ft (0.6m) | 12s |
| Afternoon (17 Apr) | 1.5ft (0.5m) | 11s |
| Evening (17 Apr) | 3.5ft (1.1m) | 5s |
Table - waves today at Inside Poipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 11 | 11 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 13 | 6 | 8 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 144 | 104 | 104 | 99 | 94 | 65 | 64 | 65 | 81 | 110 | 121 | 115 | 83 | 71 | 61 | 62 | 79 | 76 | 79 | 51 | 57 | 62 | 39 | 60 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross- on | cross | cross- on | cross- on | cross- on | on | cross- on | cross | cross- on | cross- on | cross- on | glass | cross- on | glass | off | glass | glass |
High Tide / height (m) | 3:00AM 0.45 | 4:12PM 0.75 | 3:32AM 0.40 | 4:56PM 0.77 | 4:05AM 0.34 | 5:45PM 0.77 | ||||||||||||||||||
Low Tide / height (m) | 9:53PM 0.19 | 9:06AM 0.00 | 10:50PM 0.20 | 9:35AM -0.01 | 11:52PM 0.22 | 10:07AM -0.00 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - |
 |  | |  | |  | |  |  | | |  | | | | |  | | |  |  | | |  | |
Rain (mm) | - | - | - | - | - | - | - | 2 | 1 | - | - | - | - | - | - | 1 | - | 1 | 4 | 17 | 3 | 3 | 2 | 3 |
| Temp. °C | 23 | 23 | 22 | 23 | 24 | 25 | 24 | 23 | 23 | 22 | 22 | 23 | 26 | 26 | 25 | 24 | 24 | 24 | 23 | 22 | 22 | 21 | 21 | 21 |
| Feels °C (?) | 24 | 24 | 22 | 23 | 23 | 24 | 23 | 24 | 22 | 21 | 22 | 23 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 23 | 25 | 22 | 24 | 24 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
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