Surf Forecasts:
How big are the waves at Waipio Valley today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 13ft (4.0m), 11s period with E swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 16ft (5.0m), 10s period with E swell.
- Evening surf: Evening surf (15 Aug, local time) - 15ft (4.5m), 10s period with E swell.
The current surf forecast for Waipio Valley at 7AM is: 4.0m 11s primary swell from a East direction and 0.2m 11s secondary swell from a West direction (forecast issued at 01:00am August 15). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 13ft (4.0m) | 11s |
| Afternoon (15 Aug) | 16ft (5.0m) | 10s |
| Evening (15 Aug) | 15ft (4.5m) | 10s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 102mm), heaviest during Sat afternoon. Warm (max 28°C on Sun morning, min 25°C on Sat night). Winds decreasing (severe gales from the ENE on Sat afternoon, light winds from the E by Sun night). | ||||||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||||||||||
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) | E 12 | E 12 | E 11 | E 11 | E 10 | E 10 | E 10 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph | ||||||||||||||||||||||||
3826 | 4412 | 4010 | 3723 | 4333 | 6895 | 3933 | 2510 | 1463 | 865 | 659 | 686 | 770 | 636 | 553 | 463 | 385 | 300 | 300 | 266 | 266 | 240 | 210 | 215 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 4:32AM0.66m | 4:38PM0.81m | 5:20AM0.67m | 4:59PM0.72m | 6:13AM0.67m | 5:15PM0.64m | ||||||||||||||||||
Low Tide | 10:18AM0.22m | 11:09PM0.18m | 11:01AM0.32m | 11:37PM0.19m | 11:50AM0.41m | |||||||||||||||||||
— | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | |
— | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:49 | — | — | |
mm | 21 | 7 | 5 | 5 | 11 | 22 | 22 | 19 | 8 | 1 | — | — | 2 | 2 | 3 | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 27 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 25 | 24 | 23 | 22 | 20 | 17 | 23 | 23 | 26 | 28 | 29 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 13 | W 13 | W 13 | E 8 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 |
11 | 10 | 10 | 9 | 9 | 10 | 10 | 13 | 13 | 14 | 659 | 13 | 12 | 26 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 14 | W 14 | — | W 14 | — | N 8 | N 9 | W 13 | NW 9 | N 9 | NW 8 | NNW 8 | NNW 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 |
— | — | — | 4 | 4 | — | 4 | — | 1 | 2 | 13 | 3 | 6 | 3 | 7 | 7 | 5 | 1 | 5 | 1 | 5 | 5 | 1 | 1 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | N 9 | S 16 | — | — | NNW 8 | NNW 8 | N 8 | W 6 | SE 11 | SE 11 | SE 11 | SE 11 | — | SE 11 |
— | — | — | — | — | — | — | — | — | — | 2 | 5 | — | — | 7 | 7 | 5 | 1 | 5 | 5 | 5 | 5 | — | 5 | |
Wind waves Height (m) Direction Period (s) | E 12 | E 12 | E 11 | E 11 | E 10 | E 10 | E 10 | E 9 | E 9 | E 8 | — | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
3826 | 4412 | 4010 | 3723 | 4333 | 6895 | 3933 | 2510 | 1463 | 865 | — | 686 | 770 | 636 | 553 | 463 | 385 | 300 | 300 | 266 | 266 | 240 | 210 | 215 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 59 | 59 | 59 | 59 | 59 | 68 | 467 | 467 | 59 | 68 | 31 | 34 | 107 | 102 | 68 | 68 | 68 | 59 | 68 | 71 | 71 | 104 | 59 | 71 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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