Surf Forecasts:
How big are the waves at Waimea Rivermouth today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 1.5ft (0.5m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 1.5ft (0.5m), 18s period with SW swell.
- Evening surf: Evening surf (20 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.
The current surf forecast for Waimea Rivermouth at 7PM is: 0.5m 17s primary swell from a Southwest direction and 0.7m 8s secondary swell from a East direction (forecast issued at 01:00pm August 20). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 1.5ft (0.5m) | 18s |
| Afternoon (20 Aug) | 1.5ft (0.5m) | 18s |
| Evening (20 Aug) | 1.5ft (0.5m) | 16s |
Table - waves today at Waimea Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sat morning, min 25°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
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 18 | SW 18 | SW 17 | SW 16 | SSW 16 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | E 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 154 | 152 | 145 | 132 | 177 | 184 | 193 | 195 | 197 | 188 | 171 | 169 | 223 | 226 | 226 | 173 | 173 | 169 | 166 | 164 | 213 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross | glassy | glassy | glassy | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross-off | cross-off |
High Tide | 11:29AM0.45m | 12:34PM0.47m | 11:18PM0.16m | 1:21PM0.50m | |||||||||||||||||
Low Tide | 3:45AM0.10m | 9:51PM0.17m | 5:10AM0.09m | 9:28PM0.16m | |||||||||||||||||
 | | |  | | | |  | | | | | | | | | | | |  | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:04 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 28 | 28 | 27 | 26 | 25 |
Feels °C | 31 | 31 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 28 | 27 | 29 | 30 | 31 | 30 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | NNE 7 | NNE 7 | NNE 7 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | W 10 | W 10 | WNW 11 | WNW 11 | WNW 13 | WNW 12 | WNW 12 |
| kJ | 21 | 21 | 30 | 31 | 31 | 184 | 193 | 195 | 197 | 188 | 171 | 169 | 223 | 226 | 74 | 102 | 164 | 121 | 307 | 350 | 299 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 17 | SW 16 | SSW 16 | NNE 7 | W 11 | NNE 7 | NE 7 | NE 7 | NE 7 | W 10 | W 10 | W 10 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 154 | 152 | 145 | 132 | 177 | 31 | 57 | 33 | 24 | 23 | 23 | 51 | 51 | 75 | 226 | 173 | 173 | 169 | 166 | 164 | 162 |
Swell 3 Height (m) Direction Period (s) | W 11 | W 10 | SSE 11 | S 11 | S 11 | W 11 | NNE 7 | W 10 | W 10 | W 10 | W 10 | NE 7 | NNE 7 | NNE 7 | NE 7 | NE 7 | S 14 | WNW 13 | SSE 13 | SE 8 | ESE 8 |
| kJ | 37 | 31 | 41 | 63 | 63 | 58 | 32 | 50 | 48 | 49 | 53 | 23 | 19 | 18 | 16 | 11 | 103 | 120 | 31 | 31 | 23 |
Wind waves Height (m) Direction Period (s) | — | — | — | E 8 | E 4 | — | — | — | — | — | — | — | — | ENE 7 | ENE 7 | ENE 4 | ENE 7 | E 7 | E 5 | E 6 | E 6 |
| kJ | — | — | — | 57 | 10 | — | — | — | — | — | — | — | — | 41 | 74 | 34 | 75 | 89 | 100 | 171 | 213 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 3 | 18 | 18 | 18 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 |
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)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waimea Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest