Surf Forecasts:
How big are the waves at Inside Poipu today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 5ft (1.5m), 8s period with E swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 5ft (1.5m), 8s period with ENE swell.
- Evening surf: Evening surf (17 Aug, local time) - 5ft (1.6m), 7s period with ENE swell.
The current surf forecast for Inside Poipu at 12AM is: 2.3m 8s primary swell from a East direction and 0.7m 13s secondary swell from a South direction, 0.7m 6s secondary swell from a South-southwest direction (forecast issued at 07:00pm August 16). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 5ft (1.5m) | 8s |
| Afternoon (17 Aug) | 5ft (1.5m) | 8s |
| Evening (17 Aug) | 5ft (1.6m) | 7s |
Table - waves today at Inside Poipu. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Sun night. Warm (max 27°C on Mon afternoon, min 23°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | |||||||||||||||||
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) | E 10 | E 9 | E 9 | E 8 | E 8 | S 15 | S 14 | ENE 8 | ENE 8 | ENE 7 | S 14 | E 7 | E 7 | S 13 | S 13 | E 7 | ENE 6 | E 6 | E 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 1446 | 1157 | 859 | 675 | 548 | 309 | 264 | 245 | 266 | 259 | 257 | 212 | 202 | 167 | 165 | 152 | 121 | 130 | 135 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross |
High Tide | 7:15AM0.52m | 5:54PM0.44m | 8:21AM0.53m | 5:45PM0.38m | |||||||||||||||
Low Tide | 00:19AM0.11m | 1:01PM0.32m | 00:45AM0.12m | 2:44PM0.36m | |||||||||||||||
 |  | | | | |  | |  |  | | | | | |  | | | | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — |
mm | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 26 | 25 | 25 | 24 | 24 | 24 | 26 | 26 | 25 | 24 | 24 |
Feels °C | 26 | 27 | 27 | 26 | 27 | 28 | 27 | 28 | 27 | 26 | 25 | 24 | 24 | 23 | 26 | 26 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SSW 6 | S 13 | S 14 | S 15 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
| kJ | 719 | 43 | 162 | 229 | 283 | 138 | 91 | 50 | 42 | 35 | 257 | 178 | 167 | 165 | 165 | 121 | 121 | 119 | 83 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | SSW 6 | SSW 6 | SW 6 | S 15 | S 14 | S 14 | S 12 | S 13 | SSE 6 | SW 7 | SE 11 | SE 10 | SE 10 | SE 9 | SE 10 | SE 10 | SE 10 |
| kJ | 161 | 168 | 34 | 24 | 18 | 267 | 264 | 148 | 110 | 116 | 25 | 15 | 40 | 39 | 49 | 43 | 47 | 47 | 44 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 16 | WNW 11 | SW 6 | SW 6 | S 12 | S 15 | S 15 | SW 7 | SSE 6 | SW 6 | SW 17 | WNW 13 | SW 18 | SW 18 | WNW 12 | WNW 12 |
| kJ | 183 | 127 | 181 | 127 | 24 | 18 | 19 | 98 | 104 | 104 | 15 | 14 | 14 | 71 | 58 | 79 | 80 | 48 | 48 |
Wind waves Height (m) Direction Period (s) | E 10 | E 9 | E 9 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | E 7 | E 7 | E 6 | E 6 | E 7 | ENE 6 | E 6 | E 6 |
| kJ | 1446 | 1157 | 859 | 675 | 548 | 309 | 257 | 245 | 266 | 259 | 245 | 212 | 202 | 167 | 141 | 152 | 121 | 130 | 135 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 140 | 131 | 131 | 131 | 131 | 131 | 131 | 131 | 131 | 25 | 131 | 5 | 5 | 25 | 22 | 22 | 22 | 5 | 5 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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