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Surf Forecasts:
Inside Poipu surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 pm Thursday 14 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 2AM is: 1.2m 7s primary swell from a East-northeast direction and 0.5m 10s secondary swell from a Southeast direction (forecast issued at 07:00pm May 14). An open ocean swell of 0.7m 13s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 4ft (1.2m) | 8s |
| Afternoon (15 May) | 4ft (1.2m) | 8s |
| Evening (15 May) | 4ft (1.2m) | 8s |
Table - waves today at Inside Poipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Fri morning. Warm (max 26°C on Sat morning, min 22°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 | ENE 7 | ENE 7 | ENE 7 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSW 15 | SSW 15 | |
164 | 172 | 164 | 164 | 163 | 168 | 172 | 168 | 168 | 178 | 178 | 207 | 212 | 192 | 192 | 197 | 167 | 202 | 235 | 202 | 171 | 176 | 249 | 202 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-on | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | |
High Tide | 1:44AM0.39m | 3:17PM0.79m | 2:26AM0.34m | 4:01PM0.83m | 3:08AM0.31m | |||||||||||||||||||
Low Tide | 9:14PM0.23m | 7:52AM-0.01m | 10:12PM0.21m | 8:27AM-0.03m | 11:11PM0.20m | 9:04AM-0.04m | ||||||||||||||||||
 |  | |  |  |  | | | | | | | | | | | | |  | | | | |  | |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — |
 | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | 7:09 |
— | — | — | 1 | 1 | 4 | 2 | — | 1 | — | — | 1 | — | — | — | 1 | 1 | 1 | — | — | — | — | — | 1 | |
Temp °C | 25 | 24 | 23 | 23 | 22 | 23 | 23 | 25 | 24 | 22 | 22 | 23 | 22 | 24 | 26 | 26 | 26 | 24 | 24 | 23 | 23 | 25 | 26 | 26 |
24 | 24 | 22 | 22 | 21 | 23 | 21 | 23 | 23 | 21 | 22 | 24 | 23 | 26 | 27 | 27 | 27 | 25 | 26 | 25 | 25 | 27 | 27 | 27 | |
Swell 1 Height (m) Direction Period (s) | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | E 8 | E 8 | NW 12 | NW 12 | SE 10 | NW 11 | SE 7 | SE 6 | SW 16 | SW 14 | ENE 8 | ENE 8 | SSW 16 | SSW 17 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SE 10 |
 kJ | 218 | 212 | 168 | 163 | 126 | 168 | 172 | 89 | 87 | 59 | 43 | 22 | 19 | 118 | 103 | 197 | 167 | 153 | 96 | 202 | 171 | 176 | 176 | 108 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | NW 12 | NW 12 | SE 10 | SE 10 | NW 11 | SE 7 | NW 11 | NW 11 | SE 6 | SE 7 | SE 7 | SSW 16 | SE 7 | SE 10 | SSW 15 | SSE 11 | SSE 11 | SE 11 | SSW 15 |
| kJ | 57 | 45 | 45 | 47 | 48 | 118 | 116 | 46 | 33 | 64 | 25 | 43 | 42 | 10 | 11 | 23 | 151 | 11 | 25 | 148 | 49 | 81 | 121 | 196 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 14 | SW 17 | SSW 16 | SSW 16 | SE 10 | SE 10 | SSW 16 | SW 16 | SW 16 | SSW 16 | SW 14 | SW 14 | NW 11 | NW 11 | SSW 14 | SE 7 | SE 10 | SE 7 | SSE 12 | SSW 16 | SW 14 | SSW 15 | SSE 11 |
| kJ | 34 | 18 | 73 | 104 | 102 | 47 | 48 | 99 | 65 | 65 | 103 | 49 | 51 | 42 | 30 | 81 | 21 | 25 | 11 | 54 | 147 | 102 | 249 | 48 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 8 | — | — | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | ENE 8 | ENE 8 | ENE 8 | — | — | — | ENE 8 |
| kJ | 164 | 172 | 164 | 164 | 163 | — | — | 168 | 168 | 178 | 178 | 207 | 212 | 192 | 192 | — | — | 202 | 235 | 188 | — | — | — | 202 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 5 | 5 | 5 | 5 | 1 | 5 | 5 | 40 | 25 | 5 | 5 | 1 | 1 | 1 | 1 | 4 | 22 | 1 | 1 | 1 | 1 | 5 | 5 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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