Surf Forecasts:
How big are the waves at Mahai'ula Bay today (03 Oct):
- Morning surf: Morning surf (03 Oct, local time) - 1.5ft (0.5m), 8s period with W swell.
- Afternoon surf: Afternoon surf (03 Oct, local time) - 1.5ft (0.4m), 7s period with W swell.
- Evening surf: Evening surf (03 Oct, local time) - 1.5ft (0.4m), 7s period with W swell.
The current surf forecast for Mahai'ula Bay at 7AM is: 0.5m 8s primary swell from a West direction (forecast issued at 01:00am October 03). An open ocean swell of 0.7m 12s is not directed at the surf break, a second open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Oct) | 1.5ft (0.5m) | 8s |
| Afternoon (03 Oct) | 1.5ft (0.4m) | 7s |
| Evening (03 Oct) | 1.5ft (0.4m) | 7s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Warm (max 27°C on Sun morning, min 25°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 3 | Sunday 4 | Monday 5 | ||||||||||||||||||||||
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) | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 7 | SSW 20 | S 20 | S 20 | S 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | WSW 8 | WSW 8 | WSW 7 | W 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 32 | 31 | 28 | 18 | 17 | 17 | 15 | 15 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 11 | 5 | 10 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-on | cross-on | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | glassy | on | cross-on | cross | glassy | glassy |
High Tide | 9:59AM0.71m | 10:47PM0.27m | 11:15AM0.72m | 00:18AM0.34m | 12:16PM0.72m | |||||||||||||||||||
Low Tide | 1:25AM0.15m | 6:19PM0.20m | 3:13AM0.20m | 6:56PM0.16m | 5:03AM0.20m | 7:26PM0.12m | ||||||||||||||||||
 | |  | | |  | |  | | | | | | | | | | | | | | | | | |
 | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 29 | 29 | 29 | 30 | 30 | 29 | 30 | 28 | 26 | 26 | 28 | 30 | 29 | 30 | 28 | 28 | 27 | 27 | 29 | 28 | 28 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 11 | S 12 | S 12 | NE 5 | NE 5 | NNE 5 | NNE 5 | SSW 19 | SSW 19 | NNE 5 | NNE 5 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 155 | 155 | 152 | 150 | 109 | 107 | 94 | 98 | 98 | 24 | 23 | 20 | 21 | 375 | 466 | 34 | 33 | 408 | 505 | 493 | 459 | 354 | 432 | 452 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | W 7 | NNE 5 | NE 5 | NNE 5 | W 7 | S 12 | S 12 | S 12 | S 12 | NNE 5 | NNE 5 | SSW 18 | SSW 18 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 |
| kJ | 32 | 31 | 28 | 18 | 17 | 9 | 13 | 15 | 16 | 99 | 101 | 99 | 99 | 25 | 32 | 432 | 418 | 33 | 40 | 29 | 28 | 28 | 24 | 17 |
Swell 3 Height (m) Direction Period (s) | NE 4 | NE 4 | NE 4 | NE 4 | NNE 4 | W 7 | W 7 | W 7 | SSW 21 | SSW 20 | S 20 | S 20 | S 19 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 |
| kJ | 4 | 4 | 4 | 4 | 3 | 17 | 15 | 15 | 83 | 133 | 198 | 194 | 267 | 98 | 91 | 61 | 61 | 61 | 58 | 59 | 38 | 37 | 36 | 35 |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | S 4 | — | WNW 2 | — | — | — | NE 5 | — | — | — | — | — | — | — | — | — | — | — | WSW 8 | WSW 8 | WSW 7 | W 7 |
| kJ | 1 | 1 | 1 | — | 1 | — | — | — | 25 | — | — | — | — | — | — | — | — | — | — | — | 11 | 11 | 5 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 4 | 26 | 99 | 100 | 23 | 18 | 18 | 11 | 11 | 18 | 100 | 100 | 24 | 11 | 11 | 11 | 11 | 11 | 100 | 100 | 38 | 22 | 11 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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