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Surf Forecasts:
Inside Poipu surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 pm Wednesday 13 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
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 11PM is: 1.5m 7s primary swell from a East direction and 0.5m 9s secondary swell from a Southeast direction (forecast issued at 07:00pm May 13). An open ocean swell of 0.4m 16s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | - | - |
| Afternoon (13 May) | 5ft (1.5m) | 7s |
| Evening (13 May) | 5ft (1.5m) | 7s |
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 5mm), mostly falling on Fri afternoon. Warm (max 26°C on Sat morning, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
180 | 212 | 214 | 247 | 236 | 233 | 238 | 214 | 186 | 159 | 134 | 138 | 147 | 178 | 178 | 145 | 151 | 173 | 265 | 245 | 232 | 206 | 202 | 202 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | |
High Tide | 1:02AM0.44m | 2:35PM0.73m | 1:44AM0.39m | 3:17PM0.79m | 2:26AM0.34m | |||||||||||||||||||
Low Tide | 8:12PM0.25m | 7:20AM0.02m | 9:14PM0.23m | 7:52AM-0.01m | 10:12PM0.21m | 8:27AM-0.03m | ||||||||||||||||||
 |  |  | | |  | | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — |
 | 7:07 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | 7:09 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 2 | — | — | — | — | — | — | — | |
Temp °C | 25 | 23 | 23 | 23 | 22 | 23 | 25 | 25 | 25 | 23 | 23 | 22 | 22 | 23 | 25 | 25 | 25 | 22 | 22 | 22 | 22 | 24 | 26 | 26 |
23 | 22 | 22 | 22 | 21 | 22 | 24 | 23 | 24 | 22 | 23 | 22 | 22 | 22 | 24 | 26 | 26 | 23 | 23 | 23 | 22 | 24 | 26 | 26 | |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NW 15 | SE 9 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | SE 10 | SE 10 | NW 11 | ENE 8 | SE 7 | SE 6 | SW 14 | SSW 14 |
 kJ | 49 | 64 | 37 | 50 | 67 | 174 | 53 | 155 | 218 | 212 | 171 | 166 | 126 | 118 | 90 | 89 | 59 | 45 | 43 | 245 | 22 | 19 | 103 | 81 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | NW 16 | SSW 14 | NW 15 | SE 9 | NW 14 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | NW 12 | NW 11 | SSW 16 | SE 10 | NW 11 | SW 15 | SE 6 | SSW 16 |
| kJ | 81 | 39 | 67 | 80 | 109 | 54 | 169 | 54 | 45 | 58 | 45 | 46 | 47 | 46 | 47 | 45 | 87 | 64 | 103 | 46 | 42 | 116 | 10 | 90 |
Swell 3 Height (m) Direction Period (s) | NW 9 | NW 9 | SSW 14 | NW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 13 | SSW 14 | SW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SE 10 | NW 11 | SW 14 | NW 11 | NW 11 | SE 6 |
| kJ | 13 | 12 | 37 | 66 | 54 | 33 | 32 | 31 | 34 | 18 | 74 | 104 | 102 | 99 | 99 | 99 | 65 | 65 | 33 | 43 | 51 | 42 | 41 | 10 |
Wind waves Height (m) Direction Period (s) | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | E 8 | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 180 | 212 | 214 | 247 | 236 | 233 | 238 | 214 | 186 | 159 | 134 | 138 | 147 | 178 | 178 | 145 | 151 | 173 | 265 | — | 232 | 206 | 202 | 202 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 22 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 1 | 5 | 22 | 1 | 5 | 5 | 1 | 1 | 3 | 5 | 22 | 22 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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