Surf Forecasts:
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | - | - |
| Afternoon (17 Aug) | 1.5ft (0.4m) | 11s |
| Evening (17 Aug) | 1.5ft (0.4m) | 11s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Warm (max 28°C on Mon morning, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||||
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) | NNW 5 | WNW 11 | S 14 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | S 13 | WNW 11 | S 13 | S 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | SW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2 | 43 | 0 | 42 | 42 | 42 | 42 | 43 | 25 | 24 | 0 | 42 | 0 | 0 | 58 | 57 | 54 | 49 | 48 | 48 | 48 | 47 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | cross | cross-on | cross-on | glassy | glassy | cross-off | cross | cross-on | on | cross-on | glassy | cross-off | glassy | glassy | on | glassy | on | on | glassy | cross-off | cross-off |
High Tide | 7:19AM0.61m | 6:25PM0.49m | 8:16AM0.61m | 6:42PM0.41m | 9:26AM0.61m | |||||||||||||||||||
Low Tide | 00:32AM0.09m | 1:18PM0.30m | 00:58AM0.11m | 2:41PM0.35m | 1:28AM0.14m | |||||||||||||||||||
 | |  | | | |  |  | |  |  | | | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:49 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 27 | 28 | 27 | 27 | 26 |
Feels °C | 30 | 32 | 32 | 32 | 30 | 32 | 33 | 31 | 30 | 28 | 30 | 30 | 31 | 31 | 31 | 30 | 30 | 28 | 30 | 30 | 32 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | NNE 6 | NNE 6 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | NNE 5 | NNE 5 | NNE 5 | S 12 | S 12 | S 12 | S 12 | NNE 6 | NNE 6 |
| kJ | 422 | 503 | 333 | 329 | 324 | 320 | 302 | 53 | 49 | 162 | 117 | 119 | 123 | 165 | 165 | 19 | 20 | 13 | 69 | 71 | 71 | 72 | 22 | 25 |
Swell 2 Height (m) Direction Period (s) | SSW 5 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | S 13 | S 13 | NNE 5 | NNE 5 | NNE 6 | NNE 6 | NNE 5 | WNW 13 | S 13 | S 12 | S 12 | NNE 5 | NNE 5 | SW 16 | NNE 6 | S 12 | S 12 |
| kJ | 27 | 36 | 57 | 50 | 35 | 34 | 33 | 225 | 219 | 21 | 19 | 28 | 20 | 17 | 58 | 119 | 69 | 68 | 13 | 9 | 130 | 15 | 72 | 71 |
Swell 3 Height (m) Direction Period (s) | NNE 8 | WNW 11 | SSW 5 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | S 4 | WNW 11 | SW 18 | SW 18 | SW 18 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | SW 16 | SW 16 |
| kJ | 37 | 43 | 8 | 42 | 42 | 42 | 42 | 43 | 25 | 24 | 9 | 42 | 78 | 80 | 80 | 57 | 54 | 49 | 48 | 48 | 48 | 47 | 66 | 129 |
Wind waves Height (m) Direction Period (s) | NNW 5 | — | — | SW 4 | — | N 6 | — | WSW 6 | S 3 | S 4 | — | — | — | — | NNE 5 | — | — | — | — | — | — | — | — | — |
| kJ | 2 | — | — | 3 | — | 18 | — | 8 | 3 | 7 | — | — | — | — | 17 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 1 | 24 | 100 | 100 | 100 | 1 | 1 | 1 | 19 | 97 | 99 | 100 | 15 | 11 | 1 | 1 | 99 | 99 | 99 | 34 | 4 | 14 | 1 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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