Surf Forecasts:
How big are the waves at Inside Poipu today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.7m), 17s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.7m), 16s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 16s period with SW swell.
The current surf forecast for Inside Poipu at 3AM is: 0.7m 17s primary swell from a Southwest direction and 0.9m 7s secondary swell from a East-northeast direction, 1.1m 7s secondary swell from a Northeast direction (forecast issued at 07:00pm August 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.7m) | 17s |
| Afternoon (21 Aug) | 2.5ft (0.7m) | 16s |
| Evening (21 Aug) | 2.5ft (0.7m) | 16s |
Table - waves today at Inside Poipu. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri morning, min 25°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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) | 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 | ENE 7 | E 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 195 | 179 | 177 | 281 | 295 | 255 | 258 | 240 | 226 | 258 | 258 | 258 | 226 | 229 | 226 | 223 | 217 | 232 | 236 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | 12:16PM0.59m | 1:03PM0.62m | |||||||||||||||||
Low Tide | 3:08AM0.15m | 4:36AM0.15m | 9:04PM0.22m | ||||||||||||||||
 |  | | |  | | | | | | | | |  | | | | | | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 25 | 25 | 25 | 26 | 28 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 25 | 25 |
Feels °C | 30 | 28 | 28 | 28 | 29 | 30 | 31 | 31 | 31 | 30 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | SSW 16 | SSW 16 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | WNW 11 | WNW 12 | WNW 13 | WNW 12 |
| kJ | 76 | 179 | 177 | 97 | 78 | 78 | 61 | 61 | 61 | 61 | 258 | 258 | 226 | 229 | 226 | 119 | 117 | 235 | 226 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | W 10 | W 10 | SW 17 | SW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SW 16 | W 10 | W 10 | W 10 | W 10 | WNW 10 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 195 | 44 | 46 | 281 | 295 | 255 | 258 | 240 | 226 | 258 | 71 | 73 | 74 | 74 | 112 | 223 | 217 | 215 | 215 |
Swell 3 Height (m) Direction Period (s) | W 10 | SSE 9 | SE 9 | WSW 9 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | SSE 9 | SE 9 | SE 9 | S 14 | S 15 | S 15 | W 10 | S 15 | S 14 |
| kJ | 49 | 34 | 22 | 27 | 81 | 75 | 49 | 49 | 51 | 51 | 30 | 19 | 19 | 94 | 109 | 109 | 49 | 109 | 107 |
Wind waves Height (m) Direction Period (s) | NE 7 | ENE 7 | ENE 7 | NE 7 | — | — | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 |
| kJ | 79 | 104 | 125 | 119 | — | — | — | — | — | — | 61 | 91 | 105 | 99 | 96 | 139 | 175 | 232 | 236 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1 | 5 | 1 | 1 | 1 | 1 | 40 | 40 | 25 | 1 | 1 | 5 | 5 | 5 | 22 | 22 | 22 | 31 | 5 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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