Surf Forecasts:
How big are the waves at Waipio Valley today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 3.5ft (1.1m), 8s period with E swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 4.5ft (1.3m), 7s period with ENE swell.
- Evening surf: Evening surf (20 Jul, local time) - 3.5ft (1.1m), 7s period with E swell.
The current surf forecast for Waipio Valley at 2AM is: 1.1m 8s primary swell from a East direction and 0.7m 8s secondary swell from a North-northeast direction (forecast issued at 07:00pm July 19). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 3.5ft (1.1m) | 8s |
| Afternoon (20 Jul) | 4.5ft (1.3m) | 7s |
| Evening (20 Jul) | 3.5ft (1.1m) | 7s |
Table - waves today at Waipio Valley. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Tue afternoon. Warm (max 27°C on Mon morning, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | |||||||||||||||||
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 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 182 | 182 | 146 | 142 | 138 | 135 | 138 | 193 | 108 | 124 | 100 | 178 | 173 | 198 | 247 | 247 | 197 | 178 | 154 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:20AM0.59m | 6:34PM0.63m | 10:08AM0.64m | 6:37PM0.56m | |||||||||||||||
Low Tide | 1:26AM0.22m | 1:10PM0.48m | 2:08AM0.22m | 3:43PM0.54m | |||||||||||||||
 |  |  | | |  | | | | | | | | | |  | |  | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 |
Temp °C | 26 | 25 | 25 | 25 | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 25 | 25 |
Feels °C | 27 | 27 | 27 | 28 | 26 | 27 | 27 | 28 | 28 | 28 | 26 | 27 | 27 | 27 | 28 | 27 | 28 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | NNE 6 | NNE 8 | E 8 | E 8 | E 8 | NNE 7 | NNE 7 | W 12 | NNE 7 | NE 7 | NE 7 | E 12 | E 12 | E 12 | E 15 | E 14 | E 13 | E 13 | E 12 |
| kJ | 31 | 51 | 146 | 142 | 138 | 62 | 62 | 10 | 59 | 54 | 73 | 25 | 25 | 41 | 38 | 58 | 84 | 117 | 138 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | NNE 8 | NNE 8 | NNE 8 | W 12 | W 12 | E 13 | E 13 | E 12 | E 12 | E 16 | E 15 | E 15 | W 11 | W 11 | W 11 | W 11 | W 11 |
| kJ | 11 | 11 | 51 | 52 | 66 | 11 | 11 | 13 | 13 | 12 | 26 | 19 | 38 | 38 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | S 18 | W 12 | W 12 | W 12 | W 12 | E 14 | E 13 | E 13 | W 11 | W 12 | W 12 | W 12 | W 11 | W 11 | E 15 | E 14 | E 11 | — | — |
| kJ | 6 | 11 | 11 | 11 | 11 | 4 | 3 | 13 | 10 | 10 | 11 | 11 | 10 | 9 | 38 | 57 | 20 | — | — |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | — | — | — | E 8 | E 8 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 182 | 182 | — | — | — | 135 | 138 | 193 | 108 | 124 | 100 | 178 | 173 | 198 | 247 | 247 | 197 | 178 | 154 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 107 | 54 | 54 | 1 | 54 | 65 | 102 | 104 | 72 | 67 | 69 | 66 | 66 | 66 | 71 | 104 | 104 | 71 | 104 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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