Surf Forecasts:
How big are the waves at Mahai'ula Bay today (16 Jul):
- Morning surf: Morning surf (16 Jul, local time) - 3ft (0.9m), 15s period with WNW swell.
- Afternoon surf: Afternoon surf (16 Jul, local time) - 3ft (0.9m), 15s period with WNW swell.
- Evening surf: Evening surf (16 Jul, local time) - 2.5ft (0.8m), 14s period with WNW swell.
The current surf forecast for Mahai'ula Bay at 7AM is: 0.9m 15s primary swell from a West-northwest direction (forecast issued at 01:00am July 16). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Jul) | 3ft (0.9m) | 15s |
| Afternoon (16 Jul) | 3ft (0.9m) | 15s |
| Evening (16 Jul) | 2.5ft (0.8m) | 14s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat night. Warm (max 27°C on Thu morning, min 25°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | ||||||||||||||||||||||
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) | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 380 | 380 | 370 | 360 | 355 | 355 | 284 | 280 | 280 | 280 | 268 | 264 | 200 | 198 | 195 | 192 | 187 | 134 | 130 | 126 | 89 | 87 | 87 | 87 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | cross | cross-on | on | glassy | glassy | glassy | glassy | cross | on | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | on | cross-on | cross | cross-on | glassy |
High Tide | 5:19AM0.41m | 5:42PM0.85m | 6:13AM0.45m | 6:17PM0.77m | 7:09AM0.48m | 6:50PM0.67m | ||||||||||||||||||
Low Tide | 00:05AM0.08m | 10:42AM0.06m | 00:39AM0.08m | 11:32AM0.14m | 1:11AM0.09m | 12:27PM0.22m | ||||||||||||||||||
 |  |  | | |  |  | | | | | | | | | | | | | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:05 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 28 | 29 | 29 | 30 | 29 | 29 | 29 | 30 | 29 | 29 | 28 | 30 | 30 | 30 | 31 | 30 | 30 | 30 | 30 | 29 | 30 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | W 14 | W 14 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | SSW 14 | NNE 6 | NNE 6 | NNE 6 | NNE 7 | NNE 7 | NNE 6 | NNE 6 |
| kJ | 380 | 380 | 370 | 360 | 355 | 355 | 284 | 280 | 280 | 280 | 268 | 264 | 68 | 85 | 64 | 50 | 218 | 48 | 53 | 42 | 51 | 53 | 53 | 45 |
Swell 2 Height (m) Direction Period (s) | SW 16 | NNE 7 | NNE 8 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | W 14 | SSW 16 | SSW 16 | SSW 14 | W 14 | W 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | S 12 |
| kJ | 201 | 31 | 32 | 43 | 41 | 41 | 41 | 59 | 51 | 40 | 26 | 31 | 200 | 259 | 344 | 218 | 187 | 134 | 210 | 158 | 160 | 210 | 133 | 75 |
Swell 3 Height (m) Direction Period (s) | NNE 7 | SW 13 | SSW 13 | SW 12 | SSW 13 | SSW 14 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | S 16 | S 16 | S 16 | W 14 | W 14 | W 14 | SSE 9 | S 14 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 |
| kJ | 30 | 84 | 111 | 73 | 109 | 129 | 174 | 240 | 97 | 91 | 132 | 131 | 183 | 198 | 195 | 192 | 26 | 148 | 130 | 126 | 89 | 87 | 87 | 87 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | WSW 6 | SSE 10 | S 7 | — | — | — | — | SSE 9 | S 3 | N 7 | NNE 7 | — | S 4 | WSW 8 | N 7 | — | SSE 4 | S 9 |
| kJ | — | — | — | — | — | — | 4 | 20 | 4 | — | — | — | — | 8 | 3 | 34 | 34 | — | 3 | 22 | 33 | — | 4 | 40 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 0 | 0 | 34 | 34 | 34 | 0 | 0 | 0 | 0 | 19 | 32 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 34 | 34 | 18 | 4 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mahai'ula Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest