Surf Forecasts:
How big are the waves at Waimea Rivermouth today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2ft (0.6m), 17s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2ft (0.6m), 16s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 16s period with SSW swell.
The current surf forecast for Waimea Rivermouth at 7PM is: 0.6m 16s primary swell from a South-southwest direction (forecast issued at 01:00pm August 21). An open ocean swell of 0.5m 10s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2ft (0.6m) | 17s |
| Afternoon (21 Aug) | 2ft (0.6m) | 16s |
| Evening (21 Aug) | 2.5ft (0.7m) | 16s |
Table - waves today at Waimea Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri afternoon, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||
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) | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | E 7 | SSW 16 | E 7 | E 7 | E 7 | E 8 | E 8 | E 7 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 197 | 188 | 171 | 169 | 223 | 226 | 226 | 173 | 173 | 169 | 166 | 176 | 162 | 240 | 261 | 269 | 290 | 282 | 275 | 235 | 195 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 12:34PM0.47m | 11:18PM0.16m | 1:21PM0.50m | 00:48AM0.18m | 1:59PM0.52m | ||||||||||||||||
Low Tide | 9:51PM0.17m | 5:10AM0.09m | 9:28PM0.16m | 6:14AM0.07m | 9:32PM0.15m | ||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | 7:05 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 28 | 26 | 26 | 25 | 25 | 26 | 28 | 28 | 28 | 26 | 26 |
Feels °C | 30 | 32 | 31 | 30 | 30 | 28 | 28 | 27 | 31 | 32 | 30 | 28 | 28 | 26 | 26 | 28 | 30 | 30 | 29 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | W 10 | WNW 10 | WNW 11 | WNW 11 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | NW 11 | WNW 11 | NW 11 | NW 12 | NW 12 |
| kJ | 197 | 188 | 171 | 169 | 223 | 226 | 226 | 74 | 115 | 119 | 88 | 274 | 260 | 193 | 151 | 146 | 115 | 151 | 128 | 192 | 169 |
Swell 2 Height (m) Direction Period (s) | NNE 7 | NE 7 | NE 7 | W 10 | W 10 | W 10 | W 10 | SSW 16 | SSW 16 | SSW 16 | WNW 13 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SE 10 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 33 | 23 | 23 | 51 | 51 | 75 | 74 | 173 | 173 | 169 | 106 | 164 | 162 | 162 | 158 | 152 | 150 | 58 | 123 | 142 | 120 |
Swell 3 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | NE 7 | NNE 7 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | SSW 16 | ESE 8 | SSE 14 | S 14 | SE 8 | S 14 | SE 9 | SSW 15 | SE 10 | SE 11 | SE 10 |
| kJ | 48 | 49 | 53 | 23 | 19 | 23 | 23 | 22 | 16 | 17 | 166 | 25 | 70 | 107 | 32 | 100 | 46 | 148 | 49 | 57 | 67 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 7 | ENE 4 | ESE 4 | ENE 7 | E 7 | E 7 | E 6 | E 7 | ESE 6 | E 7 | E 7 | E 7 | E 8 | E 8 | E 7 | E 7 | E 7 |
| kJ | — | — | — | — | 46 | 27 | 2 | 75 | 92 | 117 | 135 | 176 | 13 | 240 | 261 | 269 | 290 | 282 | 275 | 235 | 195 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 18 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 6 | 330 | 3 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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