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Surf Forecasts:
Inside Poipu surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 pm Friday 20 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
24.7° C
(Which is slightly warmer than usual)How big are the waves at Inside Poipu today?
The current surf forecast for Inside Poipu at 11PM is: 0.6m 19s primary swell from a South-southwest direction and 0.9m 6s secondary swell from a South-southeast direction, 0.6m 12s secondary swell from a South direction (forecast issued at 07:00pm March 20). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Mar) | - | - |
| Afternoon (20 Mar) | 2.5ft (0.7m) | 13s |
| Evening (20 Mar) | 1.5ft (0.4m) | 19s |
Table - waves today at Inside Poipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 19 | 19 | 12 | 12 | 12 | 18 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 10 | 10 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 116 | 146 | 246 | 109 | 109 | 105 | 211 | 276 | 276 | 273 | 270 | 261 | 240 | 232 | 229 | 226 | 223 | 223 | 220 | 220 | 215 | 231 | 262 | 140 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | cross- off | cross- off | glass | glass | glass | off | glass | glass | cross | cross- on | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 4:34AM 0.46 | 5:56PM 0.68 | 4:58AM 0.39 | 6:52PM 0.67 | 5:15AM 0.33 | |||||||||||||||||||
Low Tide / height (m) | 11:25PM 0.21 | 10:47AM 0.04 | 12:29AM 0.26 | 11:17AM 0.04 | 1:58AM 0.29 | 11:51AM 0.06 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - |
| Sunset | 6:47 | - | - | - | - | - | - | - | 6:49 | - | - | - | - | - | - | - | 6:49 | - | - | - | - | - | - | - |
 |  | |  | |  | |  | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | 1 | 1 | 2 | - | - | 1 | 1 | - | - | 1 | 1 | - | 1 | 1 | - | - | 1 | 1 | - | - | - |
| Temp. °C | 25 | 24 | 24 | 24 | 23 | 23 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 23 | 24 | 24 | 24 | 22 | 22 | 21 | 21 | 22 | 23 | 23 |
| Feels °C (?) | 27 | 27 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 23 | 25 | 26 | 26 | 25 | 22 | 22 | 20 | 20 | 20 | 20 | 20 |
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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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