Surf Forecasts:
How big are the waves at Mahai'ula Bay today (30 Oct):
The current surf forecast for Mahai'ula Bay at 1PM is: 0.5m 4s primary swell from a North-northeast direction (forecast issued at 07:00am October 30). An open ocean swell of 1.2m 14s is not directed at the surf break, a second open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be onshore.
Short Range ForecastLight rain (total 8mm), mostly falling on Fri afternoon. Warm (max 28°C on Fri morning, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Friday 30 | Saturday 31 | Sunday 1 | |||||||||||||||||||||
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) | S 14 | S 14 | WNW 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | SW 7 | S 14 | S 14 | S 13 | S 15 | NW 20 | NW 20 | NW 19 | NW 18 | NW 18 | NW 17 | NW 16 | NW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 0 | 0 | 41 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 206 | 315 | 432 | 388 | 437 | 487 | 443 | 427 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross | cross | glassy | glassy | cross-on | glassy | glassy | cross-off | cross-off | glassy | cross | cross-on | cross-on | cross-off | cross-off | cross-off |
High Tide | 7:06AM0.81m | 7:00PM0.27m | 8:10AM0.76m | 9:00PM0.27m | 9:20AM0.72m | 10:59PM0.34m | |||||||||||||||||
Low Tide | 2:57PM0.19m | 00:06AM0.13m | 4:16PM0.18m | 1:19AM0.20m | 5:14PM0.15m | ||||||||||||||||||
 |  |  |  | | | |  | | | | | | | | |  | | | | |  | | |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | — | — | 1 | 1 | — | — | 1 | 1 | — | — | — | 1 | — | 1 | 1 | 1 | — | — | — | — | — | — |
Temp °C | 27 | 27 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 27 | 26 | 26 | 26 | 25 |
Feels °C | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 30 | 29 | 32 | 31 | 30 | 31 | 30 | 29 | 30 | 29 | 29 | 30 | 30 | 29 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 14 | S 13 | NNE 8 | S 15 | S 16 | S 13 | S 13 | NW 18 | NW 17 | NW 16 | NW 16 |
| kJ | 691 | 703 | 703 | 585 | 541 | 511 | 503 | 345 | 345 | 345 | 423 | 361 | 394 | 206 | 80 | 440 | 482 | 229 | 219 | 437 | 487 | 443 | 427 |
Swell 2 Height (m) Direction Period (s) | NNE 10 | NNE 10 | NNE 10 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | S 12 | NNE 8 | NNE 8 | NW 19 | NW 18 | S 13 | S 13 | S 14 | S 14 |
| kJ | 116 | 88 | 86 | 27 | 36 | 53 | 37 | 130 | 46 | 103 | 90 | 90 | 88 | 84 | 151 | 45 | 59 | 432 | 388 | 219 | 222 | 232 | 253 |
Swell 3 Height (m) Direction Period (s) | SW 6 | NNE 5 | WNW 14 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | S 17 | S 17 | S 17 | SW 7 | SSW 16 | SSW 17 | S 15 | S 15 | NW 20 | NW 20 | NNE 8 | SW 7 | NE 8 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 9 | 9 | 41 | 64 | 83 | 51 | 48 | 142 | 145 | 142 | 12 | 90 | 101 | 165 | 163 | 206 | 315 | 59 | 8 | 17 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | NNE 4 | — | — | — | — | — | NNE 5 | — | — | — | — | — | — | NNE 5 | — | — | NNE 8 | NNE 5 | NNE 6 | NNE 6 | NNE 6 |
| kJ | — | — | 11 | — | — | — | — | — | 30 | — | — | — | — | — | — | 14 | — | — | 103 | 51 | 90 | 108 | 93 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 1 | 11 | 1 | 1 | 19 | 18 | 1 | 1 | 99 | 1 | 1 | 1 | 0 | 0 | 11 | 32 | 36 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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