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Surf Forecasts:
Inside Poipu surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 am Wednesday 17 Sep 2025 HST
How big are the waves at Inside Poipu today?
The current surf forecast for Inside Poipu at 2PM is: 1.4m 6s primary swell from a East direction and 0.5m 9s secondary swell from a Southeast direction, 0.4m 15s secondary swell from a Southwest direction (forecast issued at 07:00am September 17). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 4.5ft (1.4m) | 7s |
| Afternoon (17 Sep) | 4.5ft (1.4m) | 6s |
| Evening (17 Sep) | 4.5ft (1.4m) | 6s |
Table - waves today at Inside Poipu. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 7 | 7 | 6 | 6 | 6 | 6 | 9 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 8 | 8 | 6 | 18 | 18 | 18 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 186 | 168 | 178 | 153 | 141 | 146 | 151 | 106 | 154 | 226 | 226 | 202 | 180 | 161 | 151 | 156 | 132 | 115 | 112 | 108 | 102 | 240 | 318 | 224 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 1:22PM 0.68 | 1:35AM 0.35 | 1:58PM 0.67 | 2:13AM 0.41 | 2:28PM 0.65 | |||||||||||||||||||
Low Tide / height (m) | 5:59AM 0.13 | 8:28PM 0.16 | 6:58AM 0.12 | 8:45PM 0.14 | 7:47AM 0.12 | 9:02PM 0.12 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - |
 |  | |  | |  | | |  | | | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
| Temp. °C | 25 | 25 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 25 | 25 | 25 | 25 | 25 | 27 | 28 | 27 | 25 | 25 | 25 |
| Feels °C (?) | 25 | 24 | 26 | 26 | 25 | 26 | 25 | 25 | 23 | 23 | 25 | 25 | 26 | 24 | 24 | 25 | 25 | 25 | 26 | 27 | 27 | 25 | 25 | 25 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Kaua'i
Cross-shore wind has turned cross-on at Inside Poipu (moderate winds from the ENE at BUOY-NWWH1 13 km from Inside Poipu). 1.3m 6s windswell from the E with a 0.7m 8s swell from the SE and a 0.3m 12s groundswell from the SSW. 3 swells combining to make bigger set waves.
1 h 5 min ago
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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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