Surf Forecasts:
How big are the waves at Waimea Rivermouth today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 5.5ft (1.7m), 8s period with E swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 6ft (1.9m), 7s period with E swell.
- Evening surf: Evening surf (19 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
The current surf forecast for Waimea Rivermouth at 3AM is: 0.9m 16s primary swell from a South-southwest direction and 1.7m 8s secondary swell from a East direction (forecast issued at 07:00pm September 18). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 5.5ft (1.7m) | 8s |
| Afternoon (19 Sep) | 6ft (1.9m) | 7s |
| Evening (19 Sep) | 3ft (0.9m) | 16s |
Table - waves today at Waimea Rivermouth. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sat afternoon, min 25°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | |||||||||||||||||
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 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | E 8 | E 7 | E 7 | E 8 | SSW 16 | E 8 | E 8 | SSW 16 | SSW 16 | E 8 | SSW 15 | S 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 427 | 417 | 407 | 402 | 392 | 377 | 368 | 340 | 366 | 355 | 457 | 417 | 417 | 446 | 406 | 370 | 365 | 447 | 365 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:40AM0.45m | 11:55PM0.17m | 12:34PM0.47m | ||||||||||||||||
Low Tide | 2:19AM0.13m | 8:30PM0.16m | 4:32AM0.13m | 8:25PM0.15m | |||||||||||||||
 |  | | | | | |  | |  | | | | | | | | | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 26 | 25 | 25 | 26 | 27 | 28 | 28 | 26 | 26 | 25 | 25 | 26 | 28 | 28 | 27 | 26 | 25 |
Feels °C | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 29 | 29 | 27 | 27 | 26 | 26 | 27 | 29 | 29 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | S 15 | SSW 15 |
| kJ | 427 | 417 | 407 | 402 | 392 | 377 | 291 | 302 | 306 | 277 | 457 | 341 | 346 | 446 | 406 | 370 | 365 | 447 | 365 |
Swell 2 Height (m) Direction Period (s) | NE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | SE 7 | SE 7 | NNE 6 | NNE 6 | NNE 6 | NNE 7 | NNE 7 | SE 7 | SE 6 | NE 6 | SE 6 | NE 6 |
| kJ | 67 | 51 | 51 | 51 | 47 | 38 | 37 | 32 | 37 | 26 | 22 | 27 | 30 | 31 | 32 | 27 | 21 | 26 | 19 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SE 6 | SE 7 | SE 7 | SE 6 | SE 8 | NNE 6 | NNE 6 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | NE 7 | NE 7 | SE 6 | NE 6 | SE 7 |
| kJ | 9 | 8 | 20 | 32 | 30 | 15 | 38 | 31 | 26 | 38 | 15 | 39 | 42 | 41 | 22 | 21 | 24 | 19 | 28 |
Wind waves Height (m) Direction Period (s) | E 8 | ESE 8 | E 6 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 6 | E 7 | E 7 |
| kJ | 298 | 19 | 261 | 328 | 323 | 323 | 368 | 340 | 366 | 355 | 373 | 417 | 417 | 326 | 363 | 363 | 252 | 302 | 310 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 6 | 149 | 20 | 15 | 6 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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