Surf Forecasts:
How big are the waves at Mahai'ula Bay today (26 Oct):
- Morning surf: Morning surf (26 Oct, local time) - 1.5ft (0.4m), 10s period with NW swell.
- Afternoon surf: Afternoon surf (26 Oct, local time) - 1.5ft (0.4m), 17s period with NW swell.
- Evening surf: Evening surf (26 Oct, local time) - 1.5ft (0.5m), 16s period with NW swell.
The current surf forecast for Mahai'ula Bay at 9AM is: 0.4m 10s primary swell from a Northwest direction (forecast issued at 01:00am October 26). An open ocean swell of 1.0m 15s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Oct) | 1.5ft (0.4m) | 10s |
| Afternoon (26 Oct) | 1.5ft (0.4m) | 17s |
| Evening (26 Oct) | 1.5ft (0.5m) | 16s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Warm (max 27°C on Tue morning, min 25°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 26 | Tuesday 27 | Wednesday 28 | ||||||||||||||||||||||
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) | SSW 16 | NW 11 | NW 10 | NW 18 | NW 18 | NW 16 | NW 16 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 0 | 29 | 26 | 50 | 79 | 94 | 130 | 127 | 143 | 178 | 139 | 169 | 162 | 160 | 160 | 116 | 108 | 108 | 84 | 106 | 83 | 56 | 50 | 50 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | glassy | on | glassy | cross-on | cross | cross | cross | glassy | glassy | glassy | on | cross-on | cross-on | glassy | cross | glassy | cross | cross-on | on | glassy | glassy | glassy |
High Tide | 3:53AM0.86m | 3:36PM0.44m | 4:34AM0.89m | 4:15PM0.39m | 5:19AM0.88m | 4:57PM0.34m | ||||||||||||||||||
Low Tide | 10:35AM0.15m | 9:24PM-0.00m | 11:28AM0.15m | 9:57PM0.00m | 12:28PM0.17m | 10:34PM0.02m | ||||||||||||||||||
 |  |  | | |  | |  | | | | | | | |  | |  |  |  | | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 26 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 27 | 29 | 30 | 31 | 29 | 29 | 30 | 31 | 29 | 29 | 28 | 30 | 29 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | SSW 13 | SSW 13 |
| kJ | 416 | 296 | 462 | 551 | 551 | 366 | 361 | 341 | 308 | 322 | 317 | 229 | 330 | 326 | 620 | 581 | 537 | 522 | 522 | 429 | 417 | 388 | 299 | 295 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | SSW 11 | NW 10 | NW 10 | NNW 10 | S 17 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | SSW 13 | SSW 13 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NNE 10 | S 18 | S 18 |
| kJ | 70 | 98 | 26 | 25 | 32 | 220 | 225 | 227 | 227 | 216 | 273 | 334 | 229 | 176 | 160 | 116 | 108 | 108 | 84 | 106 | 83 | 33 | 216 | 294 |
Swell 3 Height (m) Direction Period (s) | NNE 4 | NW 11 | NNE 8 | NW 18 | NW 18 | NW 16 | NW 16 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | N 9 | N 9 | N 9 | NNE 9 | NNE 9 | NNE 9 | NNE 10 | NW 13 | NW 12 | NW 12 |
| kJ | 6 | 29 | 6 | 50 | 79 | 94 | 130 | 127 | 143 | 178 | 139 | 169 | 162 | 160 | 40 | 40 | 40 | 26 | 27 | 28 | 34 | 56 | 50 | 50 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 4 | NNE 5 | NNE 5 | NNE 5 | NNE 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 16 | 41 | 42 | 26 | 18 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 4 | 4 | 99 | 0 | 19 | 4 | 4 | 4 | 0 | 0 | 0 | 99 | 54 | 19 | 0 | 38 | 0 | 11 | 100 | 99 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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