Surf Forecasts:
How big are the waves at Inside Poipu today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2ft (0.6m), 18s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 2ft (0.6m), 16s period with SSW swell.
The current surf forecast for Inside Poipu at 9AM is: 0.6m 18s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a Southeast direction, 0.9m 7s secondary swell from a East-northeast direction (forecast issued at 01:00am August 20). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 18s |
| Afternoon (20 Aug) | 2ft (0.6m) | 18s |
| Evening (20 Aug) | 2ft (0.6m) | 16s |
Table - waves today at Inside Poipu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Thu afternoon, min 25°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 17 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SW 17 | SW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | E 7 | E 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 132 | 148 | 207 | 209 | 207 | 195 | 179 | 177 | 281 | 295 | 255 | 258 | 240 | 226 | 258 | 258 | 258 | 226 | 229 | 226 | 223 | 217 | 226 | 229 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | on | on | on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross |
High Tide | 11:10AM0.56m | 12:16PM0.59m | 1:03PM0.62m | |||||||||||||||||||||
Low Tide | 1:58AM0.15m | 3:08AM0.15m | 4:36AM0.15m | 9:04PM0.22m | ||||||||||||||||||||
 | |  | |  | | | |  | | | | | | | | | | | | | | | | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 25 | 27 | 28 | 27 | 25 | 25 | 25 | 25 | 26 | 28 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 25 | 25 |
Feels °C | 25 | 26 | 27 | 28 | 30 | 29 | 27 | 28 | 28 | 28 | 30 | 31 | 29 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 17 | SSW 18 | ENE 7 | SSW 18 | ENE 7 | ENE 7 | SSW 16 | SW 17 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | SW 16 | SW 16 | SW 16 | SSW 16 | W 10 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 12 |
| kJ | 132 | 148 | 207 | 84 | 207 | 71 | 78 | 177 | 281 | 78 | 78 | 57 | 55 | 57 | 258 | 258 | 258 | 226 | 100 | 145 | 164 | 121 | 88 | 199 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | SE 9 | SSW 18 | W 10 | SSW 17 | SSW 16 | W 10 | WSW 9 | SW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | ENE 7 | ENE 7 | W 10 | W 10 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 44 | 44 | 23 | 209 | 52 | 195 | 179 | 46 | 27 | 295 | 255 | 258 | 240 | 226 | 40 | 44 | 71 | 77 | 229 | 226 | 223 | 217 | 215 | 215 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | WSW 9 | W 11 | SE 10 | W 10 | W 10 | SE 9 | SE 9 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | SSE 9 | SE 9 | S 14 | S 15 | S 15 | S 15 | WNW 12 | S 14 |
| kJ | 22 | 22 | 27 | 57 | 23 | 49 | 44 | 21 | 21 | 81 | 75 | 49 | 49 | 51 | 51 | 50 | 30 | 19 | 94 | 109 | 109 | 109 | 89 | 107 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | NE 7 | ENE 7 | — | — | ENE 7 | ENE 7 | — | — | — | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | E 7 | E 7 |
| kJ | 75 | 79 | 82 | 54 | 69 | — | — | 97 | 97 | — | — | — | — | — | — | — | 72 | 86 | 96 | 96 | 127 | 134 | 226 | 229 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 1 | 3 | 1 | 1 | 1 | 5 | 1 | 1 | 1 | 1 | 5 | 38 | 38 | 1 | 1 | 1 | 5 | 5 | 22 | 22 | 22 | 5 | 5 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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