Surf Forecasts:
How big are the waves at Kalapaki Beach today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.7m), 17s period with SW 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 (0.8m), 16s period with SSW swell.
The current surf forecast for Kalapaki Beach at 7AM is: 0.7m 17s primary swell from a Southwest direction and 0.8m 7s secondary swell from a East-northeast direction (forecast issued at 01:00am August 21). An open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| 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 (0.8m) | 16s |
Table - waves today at Kalapaki Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun night. Warm (max 27°C on Fri morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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 | SW 17 | SSW 17 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 16 | ENE 7 | ENE 7 | E 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 278 | 295 | 295 | 255 | 240 | 258 | 322 | 322 | 322 | 326 | 261 | 261 | 223 | 251 | 299 | 270 | 285 | 295 | 303 | 303 | 286 | 247 | 212 | 225 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | glassy | on | on | on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 12:20PM0.56m | 11:30PM0.20m | 1:07PM0.59m | 00:35AM0.22m | 1:46PM0.62m | |||||||||||||||||||
Low Tide | 3:21AM0.10m | 9:24PM0.19m | 4:39AM0.10m | 9:13PM0.18m | 5:45AM0.08m | 9:16PM0.18m | ||||||||||||||||||
 | |  | | | | | | | | | | | |  | | | | | | | |  | | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 25 | 25 |
Feels °C | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 27 | 29 | 28 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 27 | 26 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | NE 7 | ENE 7 | NE 7 | NE 7 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SE 10 | SE 10 | SE 10 |
| kJ | 142 | 122 | 71 | 53 | 47 | 258 | 322 | 322 | 322 | 326 | 261 | 261 | 223 | 251 | 215 | 215 | 212 | 207 | 201 | 196 | 193 | 104 | 108 | 104 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 17 | NE 7 | E 7 | SSW 16 | NE 7 | NE 7 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | WNW 10 | S 14 | WNW 12 | WNW 11 | WNW 11 | S 14 | SE 9 | SE 10 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 278 | 295 | 53 | 52 | 240 | 47 | 51 | 50 | 51 | 51 | 73 | 74 | 56 | 86 | 107 | 109 | 95 | 66 | 96 | 52 | 68 | 188 | 188 | 186 |
Swell 3 Height (m) Direction Period (s) | WSW 9 | W 11 | SW 17 | SSW 17 | ENE 7 | ENE 7 | ENE 7 | SSE 9 | SSE 14 | SE 8 | S 14 | S 15 | SE 8 | SE 8 | W 10 | S 14 | S 14 | S 14 | SE 10 | S 13 | WNW 11 | WNW 11 | S 13 | S 13 |
| kJ | 26 | 57 | 295 | 255 | 43 | 42 | 38 | 29 | 62 | 18 | 94 | 109 | 17 | 17 | 54 | 107 | 107 | 104 | 58 | 92 | 49 | 50 | 89 | 89 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 6 |
| kJ | — | — | — | — | — | — | — | 86 | 117 | 132 | 121 | 121 | 176 | 214 | 299 | 270 | 285 | 295 | 303 | 303 | 286 | 247 | 212 | 225 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 45 | 37 | 17 | 13 | 16 | 17 | 31 | 17 | 31 | 31 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 31 | 39 | 17 | 17 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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