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Surf Forecasts:
Inside Poipu surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 am Saturday 30 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
25.1° C
(Which is slightly cooler than normal)How big are the waves at Inside Poipu today (30 May):
- Morning surf: Morning surf (30 May, local time) - 3ft (0.9m), 17s period with S swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 3ft (0.9m), 16s period with SSW swell.
- Evening surf: Evening surf (30 May, local time) - 3ft (0.9m), 16s period with SSW swell.
The current surf forecast for Inside Poipu at 11AM is: 0.9m 17s primary swell from a South direction and 0.5m 12s secondary swell from a South direction, 1.1m 7s secondary swell from a East direction (forecast issued at 07:00am May 30). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 3ft (0.9m) | 17s |
| Afternoon (30 May) | 3ft (0.9m) | 16s |
| Evening (30 May) | 3ft (0.9m) | 16s |
Table - waves today at Inside Poipu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 26°C on Sat afternoon, min 22°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 | S 18 | S 18 | S 18 | S 18 | SSW 17 | S 16 | |
613 | 487 | 470 | 443 | 437 | 432 | 421 | 416 | 406 | 316 | 287 | 275 | 284 | 280 | 276 | 369 | 365 | 350 | 408 | 639 | 632 | 625 | 487 | 548 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | |
High Tide | 2:13AM0.30m | 3:45PM0.73m | 2:48AM0.29m | 4:20PM0.73m | 3:21AM0.28m | 4:56PM0.72m | ||||||||||||||||||
Low Tide | 8:05AM0.05m | 11:04PM0.22m | 8:36AM0.04m | 11:44PM0.21m | 9:08AM0.05m | 00:28AM0.21m | ||||||||||||||||||
 |  | | |  | |  | | | | |  | | | | | | | | | | | | | |
 | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | 5:54 |
 | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | 7:16 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 23 | 25 | 26 | 25 | 24 | 23 | 23 | 22 | 23 | 25 | 25 | 25 | 24 | 23 | 22 | 22 | 23 | 25 | 26 | 25 | 23 | 23 | 22 |
22 | 23 | 24 | 25 | 25 | 24 | 23 | 24 | 23 | 24 | 25 | 25 | 26 | 24 | 23 | 22 | 23 | 23 | 24 | 26 | 24 | 22 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 14 | SSW 14 | SSW 14 | S 19 | S 18 | S 18 | S 18 | S 18 | SSW 17 | S 16 |
 kJ | 613 | 487 | 470 | 443 | 437 | 432 | 421 | 416 | 406 | 316 | 287 | 275 | 284 | 280 | 276 | 276 | 213 | 350 | 408 | 639 | 632 | 625 | 487 | 548 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | SSE 10 | SSE 10 | S 20 | S 19 | S 19 | SSW 14 | SSW 14 | S 14 | S 13 | S 13 | S 21 | S 21 |
| kJ | 72 | 71 | 69 | 69 | 68 | 66 | 39 | 38 | 37 | 37 | 36 | 35 | 36 | 35 | 276 | 369 | 365 | 213 | 207 | 132 | 87 | 126 | 441 | 436 |
Swell 3 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 10 | SE 8 | NNW 10 | NNW 10 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | S 21 | S 21 | SSW 20 | S 10 | S 10 | S 10 | E 8 | S 10 | S 10 | S 22 | S 22 | S 13 | S 13 |
| kJ | 10 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 16 | 17 | 79 | 79 | 132 | 19 | 8 | 17 | 12 | 7 | 7 | 146 | 227 | 125 | 125 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 4 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 138 | 127 | 131 | 111 | 114 | 114 | 105 | 117 | 97 | 78 | 78 | 75 | 75 | 78 | 91 | 91 | 91 | 55 | 75 | 94 | 52 | 117 | 114 | 111 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 5 | 22 | 22 | 22 | 22 | 5 | 1 | 1 | 1 | 22 | 1 | 1 | 5 | 5 | 5 | 4 | 5 | 22 | 22 | 22 | 5 | 5 | 5 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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