Surf Forecasts:
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | - | - |
| Afternoon (13 Sep) | 0.5ft (0.2m) | 11s |
| Evening (13 Sep) | 1.5ft (0.5m) | 4s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Wed morning, min 25°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||
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) | SW 12 | WNW 11 | SW 15 | WNW 11 | SW 12 | SSW 14 | SSW 14 | SW 14 | SW 14 | NNE 4 | SW 22 | SW 22 | SW 21 | SSW 21 | SSW 21 | SW 20 | SW 20 | SW 20 | SW 19 | SW 19 | SW 19 |
Wave Graph  | |||||||||||||||||||||
 kJ | 23 | 12 | 0 | 11 | 24 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | cross | glassy | glassy | glassy | glassy | on | on | glassy | glassy | cross | glassy | glassy | glassy | cross-on | cross-on | cross-on | glassy | glassy |
High Tide | 4:56PM0.55m | 5:50AM0.70m | 5:21PM0.47m | 6:31AM0.69m | 5:43PM0.41m | ||||||||||||||||
Low Tide | 11:23AM0.19m | 11:04PM0.07m | 12:12PM0.23m | 11:26PM0.09m | 1:09PM0.27m | ||||||||||||||||
 | | |  | | | |  | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 30 | 31 | 29 | 30 | 31 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 4 | NNE 4 | NNE 8 | NNE 8 | SSW 14 | NNE 4 | NNE 5 | NNE 8 | SSW 21 | SW 20 | SW 20 | SW 20 | NNE 5 | SW 19 | NNE 7 |
| kJ | 52 | 68 | 30 | 30 | 29 | 29 | 12 | 7 | 28 | 27 | 75 | 11 | 12 | 58 | 300 | 325 | 309 | 306 | 25 | 384 | 62 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | NNE 5 | SW 15 | SW 12 | SSW 14 | NNE 8 | NNE 8 | NNE 4 | SW 22 | SW 22 | SW 13 | SW 13 | SSW 21 | NNE 5 | NNE 8 | NNE 8 | NNE 5 | SW 19 | NNE 5 | SW 19 |
| kJ | 86 | 84 | 12 | 54 | 24 | 79 | 28 | 28 | 6 | 121 | 118 | 46 | 44 | 180 | 9 | 35 | 35 | 13 | 303 | 16 | 384 |
Swell 3 Height (m) Direction Period (s) | SW 12 | WNW 11 | SW 15 | WNW 11 | SSW 15 | SSW 24 | SSW 14 | SW 14 | SW 14 | SW 14 | NE 8 | SW 22 | SW 21 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SSW 12 | NNE 8 | SW 12 |
| kJ | 23 | 12 | 54 | 11 | 21 | 54 | 78 | 50 | 50 | 50 | 18 | 118 | 117 | 44 | 43 | 42 | 41 | 39 | 58 | 11 | 38 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNE 5 | NNE 4 | NNE 5 | — | — | — | NNE 4 | NNE 4 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 8 | 11 | 19 | — | — | — | 5 | 6 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 99 | 100 | 38 | 38 | 11 | 11 | 11 | 11 | 99 | 99 | 99 | 23 | 99 | 11 | 11 | 1 | 34 | 34 | 34 | 11 | 11 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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