Surf Forecasts:
How big are the waves at Mahai'ula Bay today (02 Oct):
- Afternoon surf: Afternoon surf (02 Oct, local time) - 1.5ft (0.5m), 8s period with W swell.
- Evening surf: Evening surf (02 Oct, local time) - 2ft (0.6m), 9s period with W swell.
The current surf forecast for Mahai'ula Bay at 12AM is: 0.6m 8s primary swell from a West direction (forecast issued at 07:00pm October 01). An open ocean swell of 0.5m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Oct) | - | - |
| Afternoon (02 Oct) | 1.5ft (0.5m) | 8s |
| Evening (02 Oct) | 2ft (0.6m) | 9s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Warm (max 27°C on Fri morning, min 25°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Thu 1 | Friday 2 | Saturday 3 | |||||||||||||||||
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) | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 55 | 56 | 51 | 49 | 45 | 28 | 28 | 27 | 17 | 50 | 49 | 32 | 31 | 28 | 18 | 17 | 16 | 15 | 15 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | cross | cross-on | cross-on | glassy | cross-off |
High Tide | 6:23PM0.31m | 8:34AM0.73m | 7:59PM0.26m | 9:59AM0.71m | 10:47PM0.27m | ||||||||||||||
Low Tide | 00:21AM0.11m | 5:07PM0.24m | 1:25AM0.15m | 6:19PM0.20m | |||||||||||||||
 |  | | |  |  |  | | | | | |  | | | | | | | |
 | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | 6:12 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:09 | — | — |
mm | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 30 | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 29 | 29 | 30 | 29 | 29 | 30 | 28 | 28 | 29 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 8 | W 8 | S 14 | S 14 | S 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | S 12 |
| kJ | 55 | 56 | 51 | 49 | 146 | 142 | 126 | 176 | 162 | 157 | 157 | 155 | 155 | 152 | 150 | 109 | 107 | 135 | 98 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | S 15 | S 14 | S 14 | W 8 | W 8 | W 8 | W 7 | W 7 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | NE 5 | W 7 | W 7 |
| kJ | 74 | 109 | 107 | 107 | 45 | 28 | 28 | 27 | 17 | 50 | 49 | 32 | 31 | 28 | 18 | 17 | 14 | 15 | 15 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | NE 5 | NE 5 | NE 4 | NE 4 | SSE 12 | NE 5 | S 4 | S 4 | NE 6 | NE 5 | NE 4 | NE 4 | NE 4 | NNE 5 | W 7 | SSW 18 | SSW 21 |
| kJ | 50 | 49 | 6 | 6 | 5 | 5 | 27 | 5 | 3 | 3 | 8 | 6 | 5 | 5 | 5 | 9 | 16 | 30 | 87 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSE 4 | — | — | — | — | — | — | SSW 6 | SW 2 | WSW 3 | NE 6 | NNE 5 |
| kJ | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | 4 | 1 | 1 | 16 | 14 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 101 | 101 | 34 | 100 | 100 | 19 | 100 | 99 | 99 | 26 | 26 | 11 | 4 | 26 | 99 | 103 | 100 | 11 | 11 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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