Surf Forecasts:
How big are the waves at Waipio Valley today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 7ft (2.1m), 10s period with ENE swell.
- Afternoon surf: Afternoon surf (14 Aug, local time) - 8ft (2.5m), 11s period with E swell.
- Evening surf: Evening surf (14 Aug, local time) - 10ft (3.0m), 11s period with E swell.
The current surf forecast for Waipio Valley at 6AM is: 2.0m 9s primary swell from a East-northeast direction and 0.2m 12s secondary swell from a West direction, 0.2m 8s secondary swell from a North-northwest direction (forecast issued at 01:00am August 14). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 7ft (2.1m) | 10s |
| Afternoon (14 Aug) | 8ft (2.5m) | 11s |
| Evening (14 Aug) | 10ft (3.0m) | 11s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 131mm), heaviest during Sat night. Warm (max 29°C on Sun morning, min 26°C on Fri morning). Winds decreasing (severe gales from the E on Sat night, light winds from the E by Sun night). | ||||||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||||||||||
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 | ENE 9 | ENE 9 | ENE 10 | E 11 | E 11 | E 11 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 470 | 493 | 675 | 1100 | 1304 | 1704 | 2236 | 2725 | 2620 | 2496 | 2944 | 3682 | 3991 | 3448 | 4725 | 6002 | 3100 | 1561 | 1137 | 914 | 805 | 612 | 501 | 523 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 3:46AM0.64m | 4:14PM0.89m | 4:32AM0.66m | 4:38PM0.81m | 5:20AM0.67m | 4:59PM0.72m | ||||||||||||||||||
Low Tide | 9:36AM0.13m | 10:43PM0.19m | 10:18AM0.22m | 11:09PM0.18m | 11:01AM0.32m | |||||||||||||||||||
 | |  | |  |  |  |  | |  |  | | |  |  | | | |  | | | |  | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — | — |
mm | — | — | — | — | 1 | 2 | 2 | 3 | 3 | 6 | 7 | 3 | 8 | 30 | 38 | 10 | 7 | 1 | — | — | 1 | 3 | 3 | 1 |
Temp °C | 25 | 25 | 26 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 29 | 29 | 28 | 27 | 27 |
Feels °C | 25 | 25 | 26 | 27 | 27 | 25 | 26 | 25 | 26 | 25 | 23 | 23 | 21 | 19 | 16 | 26 | 26 | 26 | 30 | 32 | 32 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | W 11 | W 11 | W 11 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 |
| kJ | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 10 | 10 | 13 | 13 | 14 | 13 | 13 | 12 | 26 | 26 | 11 |
Swell 2 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NW 8 | W 12 | W 12 | W 12 | NW 8 | NNW 8 | NW 9 | NW 8 | NNW 9 | — | — | — | — | N 9 | N 9 | N 9 | N 9 | N 8 | NNW 8 |
| kJ | 6 | 6 | 6 | 5 | 5 | 3 | 11 | 11 | 11 | 3 | 6 | 3 | 3 | 7 | — | — | — | — | 6 | 6 | 2 | 1 | 1 | 7 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | — | W 11 | — | — | — | — | — | — | — | — | N 9 | — | — | — | — | — | — | S 16 | — | — | — | — |
| kJ | 11 | 11 | — | 10 | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | 5 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 9 | ENE 9 | ENE 10 | E 11 | E 11 | E 11 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 470 | 493 | 675 | 1100 | 1304 | 1704 | 2236 | 2725 | 2620 | 2496 | 2944 | 3682 | 3991 | 3448 | 4725 | 6002 | 3100 | 1561 | 1137 | 914 | 805 | 612 | 501 | 523 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 54 | 59 | 65 | 104 | 67 | 59 | 59 | 59 | 59 | 68 | 59 | 112 | 59 | 59 | 467 | 467 | 67 | 59 | 34 | 100 | 139 | 27 | 69 | 66 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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