Surf Forecasts:
How big are the waves at Waimea Rivermouth today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
- Evening surf: Evening surf (18 Aug, local time) - 2ft (0.6m), 13s period with S swell.
The current surf forecast for Waimea Rivermouth at 7PM is: 0.7m 13s primary swell from a South direction and 0.5m 5s secondary swell from a Southeast direction (forecast issued at 01:00pm August 18). An open ocean swell of 1.6m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 2.5ft (0.7m) | 13s |
| Afternoon (18 Aug) | 2.5ft (0.7m) | 13s |
| Evening (18 Aug) | 2ft (0.6m) | 13s |
Table - waves today at Waimea Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri morning, min 24°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||
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) | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | E 9 | S 12 | S 12 | E 8 | E 8 | E 8 | SSW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 165 | 165 | 165 | 121 | 119 | 114 | 103 | 104 | 103 | 186 | 69 | 69 | 105 | 130 | 130 | 120 | 154 | 152 | 145 | 132 | 177 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy |
High Tide | 8:43AM0.42m | 5:44PM0.27m | 10:05AM0.43m | 11:29AM0.45m | |||||||||||||||||
Low Tide | 4:02PM0.29m | 1:38AM0.08m | 2:26AM0.09m | ||||||||||||||||||
 | | |  | | | | | | | | |  | | |  | | | | | | |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:05 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 27 | 26 | 26 | 25 | 25 |
Feels °C | 29 | 27 | 27 | 27 | 26 | 25 | 25 | 27 | 27 | 28 | 29 | 28 | 27 | 26 | 26 | 27 | 30 | 28 | 29 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | NNE 6 | S 12 | S 12 | S 12 | S 12 | S 12 | NNE 6 | SW 18 | SW 18 | SW 17 | SW 16 | SSW 16 |
| kJ | 165 | 165 | 165 | 121 | 119 | 114 | 103 | 104 | 103 | 17 | 69 | 69 | 69 | 69 | 68 | 16 | 154 | 152 | 145 | 132 | 177 |
Swell 2 Height (m) Direction Period (s) | NE 6 | SE 5 | NE 5 | SE 5 | SE 5 | NNE 6 | WNW 12 | NNE 7 | NNE 7 | S 12 | NNE 6 | SE 5 | NNE 6 | NNE 6 | NNE 6 | SSW 18 | NE 6 | NNE 6 | S 11 | NNE 7 | NNE 7 |
| kJ | 18 | 10 | 13 | 13 | 13 | 12 | 28 | 18 | 18 | 44 | 16 | 8 | 15 | 14 | 16 | 120 | 20 | 16 | 63 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | SSE 5 | NNE 6 | SSW 6 | WNW 12 | NNE 6 | SE 5 | NNE 5 | SW 16 | SW 16 | SE 7 | SE 5 | NNE 6 | SW 16 | SW 16 | SW 17 | S 12 | S 11 | S 11 | NNE 7 | S 11 | S 11 |
| kJ | 9 | 14 | 15 | 48 | 12 | 8 | 5 | 66 | 67 | 14 | 8 | 15 | 67 | 68 | 76 | 41 | 39 | 39 | 17 | 63 | 63 |
Wind waves Height (m) Direction Period (s) | E 6 | E 5 | E 5 | E 5 | E 6 | E 6 | E 5 | E 7 | E 7 | E 9 | ESE 5 | E 5 | E 8 | E 8 | E 8 | E 8 | ENE 7 | ENE 7 | ENE 7 | — | — |
| kJ | 92 | 102 | 143 | 149 | 174 | 154 | 74 | 92 | 94 | 186 | 93 | 54 | 105 | 130 | 130 | 103 | 86 | 89 | 71 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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