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Surf Forecasts:
Inside Poipu surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 1 am 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 7AM is: 1.5m 7s primary swell from a East direction and 0.4m 8s secondary swell from a Southeast direction, 0.4m 15s secondary swell from a South-southeast direction (forecast issued at 01:00am May 13). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 5ft (1.5m) | 7s |
| 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 3mm), mostly falling on Thu morning. Warm (max 25°C on Wed morning, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | ||||||||||||||||||||||
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 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
171 | 217 | 211 | 211 | 214 | 181 | 208 | 208 | 214 | 233 | 209 | 209 | 203 | 214 | 191 | 164 | 143 | 151 | 183 | 178 | 207 | 183 | 207 | 173 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 00:20AM0.48m | 1:55PM0.64m | 1:02AM0.44m | 2:35PM0.73m | 1:44AM0.39m | 3:17PM0.79m | ||||||||||||||||||
Low Tide | 6:52AM0.05m | 8:12PM0.25m | 7:20AM0.02m | 9:14PM0.23m | 7:52AM-0.01m | 10:12PM0.21m | ||||||||||||||||||
 |  |  |  | | | | | | | |  | | | |  | | | | |  | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — |
— | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 1 | — | — | — | — | 1 | — | — | — | |
Temp °C | 22 | 22 | 23 | 25 | 25 | 24 | 23 | 23 | 23 | 22 | 23 | 24 | 25 | 25 | 23 | 23 | 22 | 22 | 23 | 24 | 24 | 25 | 23 | 23 |
21 | 21 | 22 | 24 | 23 | 22 | 21 | 22 | 22 | 21 | 22 | 22 | 23 | 24 | 22 | 23 | 22 | 22 | 23 | 23 | 23 | 25 | 23 | 24 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 9 | SE 9 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | SE 10 | SE 10 | SE 10 |
 kJ | 42 | 25 | 25 | 25 | 47 | 61 | 64 | 64 | 73 | 86 | 85 | 78 | 155 | 218 | 173 | 171 | 166 | 126 | 120 | 90 | 89 | 46 | 45 | 45 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 15 | SSE 15 | SW 15 | S 14 | SSW 14 | SSW 14 | NW 16 | SSW 14 | NW 15 | NW 15 | NW 14 | SE 9 | SE 10 | SE 10 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | NW 12 | NW 11 | NW 11 |
| kJ | 41 | 71 | 71 | 54 | 64 | 81 | 39 | 67 | 80 | 109 | 174 | 169 | 52 | 58 | 74 | 52 | 59 | 59 | 58 | 46 | 59 | 87 | 64 | 43 |
Swell 3 Height (m) Direction Period (s) | SSE 15 | SSE 15 | SSW 14 | S 15 | SW 15 | NW 9 | NW 9 | SSW 14 | NW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 13 | SSW 14 | SW 17 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 16 |
| kJ | 44 | 42 | 41 | 38 | 55 | 13 | 12 | 37 | 66 | 54 | 54 | 32 | 31 | 34 | 18 | 45 | 68 | 102 | 99 | 100 | 99 | 124 | 65 | 103 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 171 | 217 | 211 | 211 | 214 | 181 | 208 | 208 | 214 | 233 | 209 | 209 | 203 | 214 | 191 | 164 | 143 | 151 | 183 | 178 | 207 | 183 | 207 | 173 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 5 | 5 | 22 | 22 | 5 | 22 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 22 | 5 | 5 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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