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Inside Poipu surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 1 am Friday 22 May 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
25.3° 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 9AM is: 2.3m 9s primary swell from a East direction and 0.6m 15s secondary swell from a South direction, 0.4m 12s secondary swell from a Southeast direction (forecast issued at 01:00am May 22). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 7.5ft (2.3m) | 9s |
| Afternoon (22 May) | 7ft (2.2m) | 9s |
| Evening (22 May) | 7.5ft (2.3m) | 9s |
Table - waves today at Inside Poipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Sat night. Warm (max 25°C on Fri afternoon, min 22°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | ||||||||||||||||||||||
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 | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
951 | 899 | 828 | 773 | 708 | 744 | 755 | 754 | 660 | 737 | 721 | 719 | 800 | 838 | 773 | 711 | 719 | 676 | 618 | 644 | 669 | 702 | 603 | 644 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross-on | cross | |
High Tide | 9:27AM0.27m | 9:10PM0.61m | 11:09AM0.35m | 10:01PM0.55m | 12:13PM0.44m | 10:49PM0.50m | ||||||||||||||||||
Low Tide | 4:16AM0.16m | 1:26PM0.22m | 4:54AM0.14m | 3:15PM0.29m | 5:25AM0.12m | 5:10PM0.32m | ||||||||||||||||||
 | |  |  | |  | | | | | | | | | | |  | | | | | |  | | |
 | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | 1 | |
Temp °C | 23 | 22 | 23 | 24 | 25 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 22 | 22 | 22 | 23 | 24 | 24 | 24 | 23 | 22 |
20 | 19 | 20 | 20 | 22 | 20 | 20 | 20 | 21 | 20 | 20 | 20 | 19 | 20 | 20 | 19 | 19 | 19 | 20 | 21 | 21 | 22 | 20 | 19 | |
Swell 1 Height (m) Direction Period (s) | S 15 | S 15 | S 15 | S 15 | S 14 | SSW 14 | S 14 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 |
 kJ | 157 | 110 | 155 | 109 | 103 | 62 | 93 | 147 | 132 | 129 | 127 | 125 | 125 | 161 | 153 | 155 | 109 | 103 | 140 | 89 | 92 | 92 | 88 | 91 |
Swell 2 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 12 | S 18 | S 18 | S 18 | S 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 |
| kJ | 42 | 40 | 39 | 57 | 99 | 98 | 97 | 60 | 59 | 60 | 58 | 57 | 58 | 54 | 51 | 45 | 44 | 42 | 39 | 37 | 36 | 35 | 34 | 33 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SE 10 | SE 10 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SSE 12 | SSE 9 | SSE 9 | S 16 | S 16 | S 16 | S 16 | S 16 |
| kJ | 14 | 15 | 15 | 24 | 36 | 37 | 37 | 37 | 36 | 35 | 36 | 26 | 27 | 15 | 14 | 15 | 13 | 8 | 8 | 47 | 46 | 46 | 46 | 46 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 951 | 899 | 828 | 773 | 708 | 744 | 755 | 754 | 660 | 737 | 721 | 719 | 800 | 838 | 773 | 711 | 719 | 676 | 618 | 644 | 669 | 702 | 603 | 644 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 22 | 22 | 31 | 22 | 22 | 22 | 22 | 40 | 22 | 22 | 22 | 31 | 22 | 22 | 22 | 22 | 31 | 5 | 22 | 25 | 31 | 305 | 131 | 128 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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