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Surf Forecasts:
Inside Poipu surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 1 pm Friday 29 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
25.2° C
(Which is normal for this time of year)How big are the waves at Inside Poipu today (29 May):
- Morning surf: Morning surf (29 May, local time) - 2.5ft (0.8m), 20s period with S swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 3ft (0.9m), 19s period with S swell.
- Evening surf: Evening surf (29 May, local time) - 3.5ft (1.0m), 19s period with S swell.
The current surf forecast for Inside Poipu at 6PM is: 0.9m 19s primary swell from a South direction and 0.5m 12s secondary swell from a South direction, 1.2m 7s secondary swell from a East-northeast direction (forecast issued at 01:00pm May 29). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 2.5ft (0.8m) | 20s |
| Afternoon (29 May) | 3ft (0.9m) | 19s |
| Evening (29 May) | 3.5ft (1.0m) | 19s |
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 Sat night. Warm (max 26°C on Mon morning, min 22°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 20 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 | S 17 | S 17 | S 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | S 15 | S 15 | SSW 15 | SSW 14 | S 20 | S 19 | S 19 | S 19 | |
624 | 611 | 599 | 700 | 649 | 627 | 613 | 487 | 470 | 443 | 437 | 432 | 421 | 416 | 406 | 316 | 287 | 275 | 284 | 280 | 276 | 369 | 365 | 350 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | |
High Tide | 3:11PM0.72m | 2:13AM0.30m | 3:45PM0.73m | 2:48AM0.29m | 4:20PM0.73m | 3:21AM0.28m | ||||||||||||||||||
Low Tide | 10:23PM0.23m | 8:05AM0.05m | 11:04PM0.22m | 8:36AM0.04m | 11:44PM0.21m | |||||||||||||||||||
 | | |  |  | | | | | | | | |  | |  |  |  | | | | | | | |
 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — |
 | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | 7:16 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 23 | 23 | 23 | 22 | 23 | 25 | 25 | 25 | 23 | 23 | 22 | 22 | 23 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 23 |
23 | 23 | 24 | 22 | 22 | 23 | 22 | 22 | 24 | 24 | 24 | 23 | 24 | 23 | 23 | 24 | 25 | 25 | 26 | 24 | 24 | 24 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | S 20 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 | S 17 | S 17 | S 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | S 15 | S 15 | E 7 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 19 |
 kJ | 624 | 611 | 599 | 700 | 649 | 627 | 613 | 487 | 470 | 443 | 437 | 432 | 421 | 416 | 406 | 316 | 287 | 275 | 88 | 280 | 215 | 276 | 213 | 350 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | SSW 15 | SSW 20 | S 20 | S 19 | S 19 | SSW 14 |
| kJ | 63 | 63 | 40 | 121 | 121 | 119 | 72 | 71 | 69 | 69 | 68 | 66 | 39 | 38 | 37 | 37 | 36 | 35 | 284 | 132 | 276 | 369 | 365 | 213 |
Swell 3 Height (m) Direction Period (s) | NW 11 | S 14 | S 13 | NW 10 | NW 10 | NW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SW 11 | SW 12 | SW 15 | S 21 | S 21 | S 10 | SSE 10 | SSE 10 | E 7 | S 10 | S 10 |
| kJ | 30 | 61 | 56 | 17 | 17 | 16 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 5 | 5 | 33 | 36 | 79 | 34 | 35 | 20 | 40 | 17 | 17 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | E 7 | E 7 | E 7 | E 8 | E 7 | E 7 | E 8 | — | ENE 7 | ENE 7 | E 5 | ENE 8 | ENE 8 |
| kJ | 143 | 166 | 147 | 146 | 142 | 154 | 138 | 127 | 131 | 155 | 156 | 127 | 131 | 112 | 115 | 88 | 88 | 111 | — | 91 | 91 | 22 | 75 | 75 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 22 | 22 | 5 | 5 | 5 | 5 | 5 | 22 | 22 | 22 | 5 | 5 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 5 | 5 | 5 | 5 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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