Surf Forecasts:
How big are the waves at Waipio Valley today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 6ft (1.9m), 8s period with E swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 7ft (2.1m), 8s period with E swell.
- Evening surf: Evening surf (18 Sep, local time) - 6ft (1.9m), 8s period with E swell.
The current surf forecast for Waipio Valley at 9AM is: 1.9m 8s primary swell from a East direction and 0.1m 10s secondary swell from a West direction (forecast issued at 01:00am September 18). An open ocean swell of 0.1m 18s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 6ft (1.9m) | 8s |
| Afternoon (18 Sep) | 7ft (2.1m) | 8s |
| Evening (18 Sep) | 6ft (1.9m) | 8s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Fri morning, min 25°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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 | 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) | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | ENE 8 | E 8 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 8 | ENE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 485 | 476 | 488 | 520 | 565 | 526 | 481 | 493 | 461 | 461 | 472 | 534 | 576 | 576 | 522 | 512 | 476 | 435 | 381 | 442 | 442 | 442 | 385 | 394 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:21AM0.69m | 10:50AM0.71m | 9:14PM0.38m | 11:43AM0.75m | ||||||||||||||||||||
Low Tide | 00:12AM0.24m | 1:37AM0.27m | 7:48PM0.37m | 3:34AM0.27m | 7:09PM0.35m | |||||||||||||||||||
 | |  | |  | |  | | | | | | | | | | | | | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 27 | 29 | 29 | 27 | 26 | 26 | 26 | 26 | 27 | 29 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 28 | 28 | 26 | 26 | 26 |
Feels °C | 28 | 26 | 27 | 29 | 29 | 27 | 27 | 26 | 26 | 26 | 26 | 28 | 27 | 26 | 26 | 27 | 25 | 24 | 25 | 27 | 27 | 25 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | NW 11 | NW 11 | NW 11 | N 11 |
| kJ | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 18 | 13 | 37 | 14 | 5 | 5 | 5 | 2 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 18 | SW 18 | — | N 12 | W 17 | W 17 | W 17 | W 16 | W 16 | N 11 | — | N 11 | — | N 11 | N 11 | W 9 | N 12 | N 12 | N 12 | W 13 | W 13 | W 13 | W 13 |
| kJ | 10 | 12 | 12 | — | 3 | 6 | 6 | 6 | 5 | 5 | 2 | — | 2 | — | 2 | 2 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | N 11 | N 11 | N 10 | — | N 10 | — | — | — | — | — | — | N 12 | W 8 | W 8 | W 8 | N 12 | W 13 | N 8 | N 8 |
| kJ | — | — | — | — | — | 3 | 2 | 2 | — | 2 | — | — | — | — | — | — | 3 | 1 | 1 | 1 | 3 | 3 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | ENE 8 | E 8 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 8 | ENE 9 |
| kJ | 485 | 476 | 488 | 520 | 565 | 526 | 481 | 493 | 461 | 461 | 472 | 534 | 576 | 576 | 522 | 512 | 476 | 435 | 381 | 442 | 442 | 442 | 385 | 394 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 65 | 59 | 104 | 27 | 27 | 59 | 59 | 65 | 67 | 59 | 104 | 104 | 60 | 56 | 56 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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