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 1AM is: 0.7m 16s primary swell from a Southwest direction and 1.2m 7s secondary swell from a East-northeast direction (forecast issued at 07:00pm August 20). The wind direction is predicted to be cross-offshore 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 ForecastMostly dry. Warm (max 27°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 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 | SW 16 | ENE 7 | E 7 |
Wave Graph | |||||||||||||||||||
195 | 179 | 234 | 278 | 295 | 295 | 255 | 240 | 258 | 322 | 322 | 322 | 326 | 261 | 261 | 223 | 251 | 307 | 262 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | glassy | glassy | on | on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross |
High Tide | 12:20PM0.56m | 11:30PM0.20m | 1:07PM0.59m | ||||||||||||||||
Low Tide | 3:21AM0.10m | 9:24PM0.19m | 4:39AM0.10m | 9:13PM0.18m | |||||||||||||||
— | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | |
7:04 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 28 | 27 | 28 | 29 | 29 | 30 | 30 | 29 | 30 | 30 | 30 | 27 | 27 | 28 | 28 | 28 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | ENE 7 | NE 7 | ENE 7 | ENE 7 | NE 7 | SW 16 | ENE 7 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 16 | SW 16 | SSW 16 | WNW 12 |
195 | 179 | 234 | 142 | 122 | 71 | 55 | 47 | 258 | 88 | 322 | 322 | 326 | 261 | 261 | 223 | 251 | 215 | 127 | |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | SW 16 | SW 17 | NE 7 | NE 7 | SSW 16 | NE 7 | SSW 16 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 11 | S 14 | SSW 16 |
50 | 46 | 46 | 278 | 295 | 53 | 53 | 240 | 47 | 322 | 50 | 51 | 51 | 73 | 74 | 56 | 57 | 107 | 215 | |
Swell 3 Height (m) Direction Period (s) | E 8 | SE 9 | SE 9 | WSW 9 | W 11 | SW 17 | SSW 17 | ENE 7 | ENE 7 | W 10 | SSE 9 | SSE 14 | SE 8 | S 14 | S 15 | SSE 8 | SE 8 | W 10 | S 14 |
31 | 22 | 21 | 26 | 57 | 295 | 255 | 43 | 42 | 50 | 29 | 62 | 18 | 134 | 109 | 27 | 17 | 56 | 107 | |
Wind waves Height (m) Direction Period (s) | NE 7 | ENE 7 | NE 7 | — | — | — | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | E 7 |
79 | 138 | 151 | — | — | — | — | — | — | — | 86 | 117 | 132 | 121 | 121 | 141 | 201 | 307 | 262 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 10 | 17 | 0 | 0 | 0 | 0 | 45 | 37 | 31 | 13 | 10 | 17 | 17 | 17 | 31 | 31 | 31 | 39 | 17 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)











