Surf Forecasts:
How big are the waves at Mahai'ula Bay today (08 Aug):
The current surf forecast for Mahai'ula Bay at 3AM is: 0.5m 3s primary swell from a North direction (forecast issued at 07:00pm August 07). An open ocean swell of 0.6m 6s is not directed at the surf break, a second open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be glassy.
Short Range ForecastLight rain (total 2mm), mostly falling on Sun afternoon. Warm (max 28°C on Sat morning, min 26°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Fri 7 | Saturday 8 | Sunday 9 | |||||||||||||||||
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) | SSW 14 | SW 19 | W 9 | N 3 | SSW 19 | SW 19 | SW 18 | SW 18 | SSW 18 | SSW 18 | SSW 18 | SW 17 | SW 17 | SW 16 | S 18 | S 17 | S 16 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 0 | 0 | 6 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 104 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | cross-on | glassy | glassy | glassy | on | on | glassy | cross-off | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross | cross |
High Tide | 11:08PM0.28m | 1:05PM0.81m | 00:47AM0.29m | 1:56PM0.86m | |||||||||||||||
Low Tide | 8:07PM0.25m | 5:01AM0.08m | 8:44PM0.19m | 6:14AM0.06m | 9:17PM0.14m | ||||||||||||||
 |  |  | | |  | | | | | | | | | | |  |  | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — |
Temp °C | 28 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 26 |
Feels °C | 30 | 30 | 29 | 30 | 29 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 32 | 31 | 31 | 31 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | NNE 5 | NNE 5 | NNE 5 | NNE 6 | NNE 6 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 |
| kJ | 15 | 18 | 19 | 20 | 20 | 19 | 26 | 26 | 23 | 55 | 51 | 38 | 29 | 21 | 22 | 31 | 46 | 41 | 28 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SW 19 | SW 13 | SW 13 | SSW 19 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 17 | S 16 | SSW 16 | SSW 16 |
| kJ | 71 | 96 | 45 | 45 | 145 | 120 | 118 | 69 | 124 | 99 | 99 | 137 | 98 | 98 | 96 | 153 | 193 | 198 | 198 |
Swell 3 Height (m) Direction Period (s) | S 11 | SW 13 | SW 19 | SW 19 | SW 13 | SW 19 | SW 18 | SW 18 | SW 13 | SSW 18 | SSW 18 | SW 17 | SW 17 | SW 16 | S 18 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
| kJ | 20 | 44 | 96 | 95 | 46 | 88 | 84 | 81 | 43 | 123 | 120 | 148 | 104 | 133 | 158 | 87 | 85 | 83 | 83 |
Wind waves Height (m) Direction Period (s) | SSE 7 | — | W 9 | N 3 | — | — | SSW 10 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 10 | — | 6 | 4 | — | — | 19 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 100 | 100 | 19 | 19 | 11 | 11 | 100 | 100 | 22 | 11 | 11 | 1 | 0 | 1 | 100 | 105 | 101 | 11 | 18 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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