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 5PM is: 0.7m 16s primary swell from a South-southwest direction and 0.8m 7s secondary swell from a East-northeast direction (forecast issued at 01:00pm August 21). The wind direction is predicted to be cross-onshore.
| 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 afternoon, min 25°C on Fri night). Winds increasing (calm on Fri afternoon, fresh winds from the ENE by Sun afternoon). | |||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||
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) | SSW 17 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | E 7 | E 7 | E 7 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 258 | 240 | 226 | 258 | 258 | 258 | 226 | 229 | 226 | 223 | 217 | 225 | 250 | 282 | 298 | 357 | 315 | 272 | 264 | 226 | 214 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 12:16PM0.59m | 1:03PM0.62m | 00:18AM0.25m | 1:41PM0.65m | |||||||||||||||||
Low Tide | 4:36AM0.15m | 9:04PM0.22m | 5:46AM0.12m | 9:08PM0.21m | |||||||||||||||||
 | | |  |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 26 | 25 | 26 | 26 | 26 | 28 | 28 | 27 | 25 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 25 | 25 |
Feels °C | 32 | 31 | 32 | 30 | 27 | 28 | 28 | 27 | 29 | 29 | 27 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | WNW 11 | SSW 16 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | SE 10 | SE 11 | SE 11 | SE 11 |
| kJ | 61 | 61 | 61 | 61 | 258 | 258 | 226 | 229 | 226 | 117 | 217 | 206 | 199 | 140 | 133 | 101 | 97 | 79 | 116 | 116 | 110 |
Swell 2 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SW 16 | W 10 | W 10 | W 10 | W 10 | W 10 | SSW 16 | WNW 11 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SE 10 | SSW 15 | WNW 11 | NW 11 | SSW 14 |
| kJ | 258 | 240 | 226 | 258 | 71 | 73 | 74 | 74 | 78 | 223 | 115 | 215 | 215 | 160 | 156 | 201 | 74 | 146 | 82 | 103 | 186 |
Swell 3 Height (m) Direction Period (s) | 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 | S 14 | S 14 | S 14 | SSW 15 | WNW 11 | SSW 15 | SSW 14 | NW 12 |
| kJ | 49 | 49 | 51 | 51 | 30 | 19 | 19 | 94 | 109 | 109 | 49 | 109 | 107 | 107 | 104 | 96 | 196 | 78 | 142 | 140 | 112 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | — | — | — | — | 59 | 111 | 99 | 99 | 118 | 143 | 192 | 225 | 250 | 282 | 298 | 357 | 315 | 272 | 264 | 226 | 214 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 40 | 40 | 4 | 1 | 5 | 5 | 1 | 5 | 22 | 22 | 22 | 22 | 5 | 5 | 5 | 5 | 5 | 22 | 31 | 305 | 22 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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