Surf Forecasts:
How big are the waves at Mahai'ula Bay today (22 Jul):
- Afternoon surf: Afternoon surf (22 Jul, local time) - 1.5ft (0.5m), 6s period with N swell.
The current surf forecast for Mahai'ula Bay at 3PM is: 0.5m 6s primary swell from a North direction (forecast issued at 07:00am July 22). An open ocean swell of 0.9m 13s is not directed at the surf break, a second open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Jul) | - | - |
| Afternoon (22 Jul) | 1.5ft (0.5m) | 6s |
| Evening (22 Jul) | - | - |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 27°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
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) | S 13 | SSW 24 | S 13 | N 6 | SSW 23 | SSW 22 | SSW 22 | SSW 21 | N 4 | SSW 20 | SSW 20 | SSW 20 | SSW 20 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | N 6 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | S 20 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | on | on | glassy | cross-off | glassy | cross-on | cross-off | glassy | cross-on | cross-on | glassy | cross-off | glassy | on | glassy | glassy | glassy | on | glassy | glassy | glassy |
High Tide | 11:39AM0.63m | 9:15PM0.33m | 12:37PM0.67m | 11:22PM0.29m | 1:25PM0.71m | ||||||||||||||||||
Low Tide | 3:30AM0.14m | 7:54PM0.33m | 4:20AM0.14m | 8:43PM0.28m | 5:20AM0.14m | 9:10PM0.23m | |||||||||||||||||
 |  |  | | |  |  | | | | | | | | | | | | | | | | | |
 | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 29 | 30 | 28 | 29 | 31 | 29 | 30 | 27 | 26 | 28 | 29 | 29 | 30 | 29 | 30 | 28 | 28 | 29 | 30 | 29 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 11 | S 11 | S 13 | S 13 | NNE 6 | S 12 | S 12 | SSW 21 | SSW 20 | SSW 20 | SSW 20 | SSW 20 | SSW 19 | SSW 19 | SSW 18 | S 12 | SSW 18 | NNE 6 | NNE 7 | NNE 7 | NNE 6 | NNE 7 |
| kJ | 171 | 112 | 110 | 260 | 260 | 51 | 190 | 184 | 643 | 584 | 517 | 512 | 671 | 657 | 624 | 464 | 247 | 448 | 58 | 70 | 68 | 80 | 70 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 13 | S 13 | NNE 6 | NNE 6 | S 13 | SSW 22 | SSW 21 | S 12 | S 12 | NNE 6 | S 13 | NNE 6 | NNE 6 | S 13 | S 13 | SSW 18 | S 12 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 |
| kJ | 114 | 168 | 123 | 32 | 51 | 199 | 616 | 611 | 100 | 166 | 49 | 225 | 54 | 49 | 215 | 268 | 459 | 193 | 322 | 443 | 428 | 325 | 306 |
Swell 3 Height (m) Direction Period (s) | NNE 7 | SSW 24 | NNE 6 | SSW 24 | SSW 23 | SSW 22 | NNE 6 | SW 17 | NNE 5 | NNE 6 | S 11 | NNE 7 | S 13 | S 11 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | S 12 | S 12 | S 12 | S 12 | S 20 |
| kJ | 38 | 444 | 35 | 433 | 550 | 634 | 40 | 75 | 26 | 29 | 121 | 50 | 222 | 81 | 49 | 32 | 31 | 31 | 141 | 138 | 136 | 139 | 412 |
Wind waves Height (m) Direction Period (s) | SSE 6 | — | — | N 6 | — | — | — | NNE 6 | N 4 | — | — | — | — | — | — | — | — | N 6 | — | — | — | — | — |
| kJ | 6 | — | — | 19 | — | — | — | 28 | 9 | — | — | — | — | — | — | — | — | 16 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 11 | 100 | 34 | 100 | 24 | 11 | 19 | 11 | 15 | 100 | 113 | 103 | 11 | 11 | 100 | 11 | 11 | 100 | 34 | 1 | 1 | 1 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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