Surf Forecasts:
How big are the waves at Waipio Bay today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 3.5ft (1.1m), 7s period with E swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 5ft (1.6m), 7s period with E swell.
- Evening surf: Evening surf (21 Jul, local time) - 5ft (1.5m), 7s period with E swell.
The current surf forecast for Waipio Bay at 4AM is: 1.4m 7s primary swell from a East-northeast direction and 0.3m 12s secondary swell from a East direction, 0.3m 15s secondary swell from a East direction (forecast issued at 01:00am July 21). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 3.5ft (1.1m) | 7s |
| Afternoon (21 Jul) | 5ft (1.6m) | 7s |
| Evening (21 Jul) | 5ft (1.5m) | 7s |
Table - waves today at Waipio Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Tue morning, min 24°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
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 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 12 | E 11 | ENE 11 | ENE 12 | ENE 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | ENE 6 | ENE 6 | ENE 7 | ENE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 178 | 149 | 117 | 138 | 214 | 266 | 216 | 192 | 166 | 132 | 154 | 422 | 522 | 531 | 472 | 276 | 369 | 546 | 526 | 451 | 218 | 200 | 171 | 232 |
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-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-on | cross-on | cross-on | cross-on |
High Tide | 10:08AM0.64m | 6:37PM0.56m | 11:34AM0.70m | 12:26PM0.76m | ||||||||||||||||||||
Low Tide | 2:08AM0.22m | 3:43PM0.54m | 2:59AM0.21m | 3:58AM0.20m | ||||||||||||||||||||
 | |  | | | | |  | | |  | | | | | | | | | | | | | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 24 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 28 | 27 | 28 | 28 | 26 | 27 | 26 | 25 | 25 | 24 | 26 | 25 | 25 | 26 | 24 | 24 | 23 | 23 | 24 | 26 | 26 | 24 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | E 12 | E 12 | NE 7 | NE 7 | E 14 | W 11 | NNE 7 | E 12 | E 12 | E 12 | E 11 | W 10 | N 12 | N 12 | NNE 7 | E 12 | NNE 7 | NE 6 | NE 7 | NNE 6 | NNW 10 | NNW 10 | E 10 | NNW 10 |
| kJ | 25 | 25 | 47 | 49 | 58 | 2 | 32 | 138 | 136 | 132 | 154 | 2 | 3 | 3 | 32 | 276 | 31 | 21 | 65 | 51 | 10 | 10 | 54 | 9 |
Swell 2 Height (m) Direction Period (s) | E 16 | E 15 | E 12 | E 11 | W 11 | E 13 | W 11 | W 11 | W 11 | NNE 7 | NNE 7 | N 12 | W 10 | W 10 | N 11 | NNE 7 | N 11 | NNW 11 | NNW 10 | NNW 10 | SE 14 | SE 14 | NNW 10 | SE 14 |
| kJ | 19 | 38 | 41 | 39 | 2 | 84 | 2 | 2 | 2 | 31 | 36 | 3 | 2 | 2 | 3 | 31 | 9 | 11 | 11 | 10 | 8 | 8 | 9 | 8 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 11 | E 15 | E 15 | E 14 | E 11 | — | — | S 16 | W 11 | W 10 | S 16 | S 16 | S 16 | W 10 | N 11 | SE 15 | SE 15 | SE 15 | SE 15 | W 10 | W 10 | SE 14 | E 18 |
| kJ | 11 | 10 | 38 | 38 | 57 | 20 | — | — | 5 | 2 | 2 | 5 | 5 | 5 | 2 | 10 | 8 | 8 | 8 | 8 | 2 | 2 | 8 | 6 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 11 | ENE 12 | ENE 12 | E 12 | E 4 | E 11 | E 11 | E 11 | E 11 | ENE 6 | ENE 6 | ENE 7 | ENE 7 |
| kJ | 178 | 149 | 117 | 138 | 214 | 266 | 216 | 192 | 166 | 120 | 96 | 422 | 522 | 531 | 472 | 16 | 369 | 546 | 526 | 451 | 218 | 200 | 171 | 232 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 68 | 65 | 65 | 65 | 65 | 103 | 105 | 113 | 70 | 70 | 28 | 70 | 70 | 105 | 28 | 73 | 64 | 64 | 105 | 71 | 68 | 105 | 107 | 71 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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