Surf Forecasts:
How big are the waves at Mahai'ula Bay today (27 Oct):
- Morning surf: Morning surf (27 Oct, local time) - 2ft (0.6m), 15s period with NW swell.
- Afternoon surf: Afternoon surf (27 Oct, local time) - 2ft (0.6m), 14s period with NW swell.
- Evening surf: Evening surf (27 Oct, local time) - 2ft (0.6m), 14s period with NW swell.
The current surf forecast for Mahai'ula Bay at 6AM is: 0.6m 15s primary swell from a Northwest direction (forecast issued at 01:00am October 27). An open ocean swell of 0.9m 14s is not directed at the surf break, a second open ocean swell of 0.6m 17s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Oct) | 2ft (0.6m) | 15s |
| Afternoon (27 Oct) | 2ft (0.6m) | 14s |
| Evening (27 Oct) | 2ft (0.6m) | 14s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Tue night. Warm (max 28°C on Thu morning, min 26°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 27 | Wednesday 28 | Thursday 29 | ||||||||||||||||||||||
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) | 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 | S 18 | S 17 | S 17 | S 16 | WNW 14 | NW 11 | NW 11 | S 15 | S 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 112 | 178 | 139 | 169 | 162 | 160 | 160 | 116 | 108 | 108 | 84 | 83 | 83 | 57 | 73 | 0 | 0 | 0 | 0 | 36 | 19 | 19 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | on | on | glassy | glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | glassy | cross-on | cross | cross | cross |
High Tide | 4:34AM0.89m | 4:15PM0.39m | 5:19AM0.88m | 4:57PM0.34m | 6:09AM0.86m | 5:47PM0.30m | ||||||||||||||||||
Low Tide | 11:28AM0.15m | 9:57PM0.00m | 12:28PM0.17m | 10:34PM0.02m | 1:37PM0.19m | |||||||||||||||||||
 | |  | | | |  | |  | |  | | | | | | | | | | | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 1 | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 29 | 30 | 30 | 30 | 30 | 31 | 31 | 30 | 29 | 29 | 28 | 28 | 27 | 28 | 30 | 30 | 30 | 29 | 29 | 33 | 31 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 13 | S 13 | S 16 | S 16 | S 16 | S 16 | S 15 | S 14 |
| kJ | 308 | 322 | 299 | 229 | 330 | 326 | 620 | 581 | 537 | 522 | 522 | 429 | 417 | 388 | 299 | 295 | 290 | 222 | 728 | 858 | 858 | 847 | 674 | 713 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 18 | S 17 | S 16 | SSW 13 | SSW 13 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | N 10 | N 10 | S 18 | S 18 | S 17 | S 17 | SW 5 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 5 |
| kJ | 227 | 216 | 273 | 334 | 229 | 176 | 160 | 116 | 108 | 108 | 84 | 83 | 52 | 51 | 216 | 294 | 376 | 346 | 14 | 217 | 170 | 66 | 65 | 31 |
Swell 3 Height (m) Direction Period (s) | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NW 13 | NW 13 | NW 12 | N 9 | SSW 5 | NNE 8 | NNE 11 | WNW 14 | NW 11 | NW 11 | SW 6 | NNE 11 |
| kJ | 112 | 178 | 139 | 169 | 162 | 160 | 26 | 26 | 26 | 26 | 27 | 28 | 83 | 57 | 73 | 45 | 18 | 44 | 25 | 36 | 19 | 19 | 9 | 88 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SSE 4 | S 4 | S 5 | S 5 | S 5 | SSW 5 | — | — | NNE 7 | — | — | NNE 6 | NNE 5 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 4 | 16 | 65 | 45 | 27 | 17 | — | — | 70 | — | — | 33 | 44 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 0 | 0 | 54 | 99 | 0 | 0 | 24 | 54 | 57 | 97 | 99 | 58 | 58 | 0 | 24 | 11 | 19 | 1 | 1 | 99 | 38 | 18 | 11 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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