Surf Forecasts:
How big are the waves at Mahai'ula Bay today (09 Nov):
- Morning surf: Morning surf (09 Nov, local time) - 1.5ft (0.5m), 12s period with NW swell.
- Afternoon surf: Afternoon surf (09 Nov, local time) - 1.5ft (0.5m), 11s period with NW swell.
- Evening surf: Evening surf (09 Nov, local time) - 1.5ft (0.4m), 11s period with NW swell.
The current surf forecast for Mahai'ula Bay at 5PM is: 0.5m 11s primary swell from a Northwest direction (forecast issued at 01:00pm November 09). An open ocean swell of 0.8m 6s is not directed at the surf break, a second open ocean swell of 0.3m 7s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Nov) | 1.5ft (0.5m) | 12s |
| Afternoon (09 Nov) | 1.5ft (0.5m) | 11s |
| Evening (09 Nov) | 1.5ft (0.4m) | 11s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Tue morning, min 24°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Mon 9 | Tuesday 10 | Wednesday 11 | Thu 12 | ||||||||||||||||||||
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 | 2 AM | 5 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 14 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NNW 12 | NW 12 | NW 18 | NNW 17 | NNW 16 | NW 17 | NW 16 | NW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 65 | 63 | 61 | 61 | 31 | 121 | 114 | 113 | 113 | 111 | 109 | 75 | 72 | 69 | 69 | 56 | 39 | 80 | 252 | 339 | 679 | 694 | 567 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | glassy | glassy | glassy | cross-off | cross-off | glassy | cross-on | cross-on | glassy | cross-off | glassy | cross-off | cross-off | cross-off | glassy | cross-on | glassy | cross-off | cross-off | cross-off | glassy |
High Tide | 3:31PM0.38m | 4:21AM0.83m | 4:03PM0.35m | 4:56AM0.81m | 4:36PM0.33m | ||||||||||||||||||
Low Tide | 10:44AM0.17m | 9:05PM0.05m | 11:25AM0.17m | 9:33PM0.06m | 12:08PM0.18m | 10:03PM0.08m | |||||||||||||||||
 |  | |  | | | | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 |
 | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | 5:45 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 25 | 24 | 24 | 24 |
Feels °C | 29 | 28 | 29 | 30 | 28 | 27 | 26 | 26 | 28 | 27 | 29 | 28 | 27 | 26 | 26 | 26 | 30 | 27 | 28 | 26 | 24 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NW 12 | S 15 | S 15 | S 15 | S 15 | NNW 17 | NNE 6 | NNE 6 | NW 16 | NW 16 |
| kJ | 41 | 45 | 44 | 42 | 33 | 33 | 33 | 33 | 32 | 36 | 36 | 40 | 36 | 69 | 119 | 113 | 110 | 68 | 252 | 140 | 103 | 694 | 567 |
Swell 2 Height (m) Direction Period (s) | S 10 | NW 11 | NW 11 | S 13 | S 13 | NNW 14 | S 13 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NW 12 | NW 12 | S 16 | NW 12 | NNW 12 | NW 12 | NW 12 | S 15 | NNW 16 | NW 17 | S 14 | NE 6 |
| kJ | 53 | 63 | 61 | 87 | 85 | 121 | 119 | 113 | 113 | 111 | 109 | 75 | 72 | 129 | 69 | 56 | 39 | 37 | 67 | 339 | 679 | 58 | 83 |
Swell 3 Height (m) Direction Period (s) | NW 12 | S 14 | S 14 | NW 11 | NW 11 | S 13 | NNW 13 | S 13 | S 12 | S 16 | S 12 | S 12 | S 16 | S 12 | S 12 | S 11 | S 11 | NW 18 | NW 12 | SSW 14 | SSW 14 | S 4 | S 14 |
| kJ | 65 | 61 | 58 | 61 | 31 | 84 | 114 | 80 | 73 | 134 | 69 | 44 | 81 | 44 | 42 | 39 | 37 | 80 | 36 | 70 | 66 | 2 | 57 |
Wind waves Height (m) Direction Period (s) | — | W 2 | SSW 7 | — | — | — | — | — | SW 6 | — | SE 8 | — | — | NNE 5 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | SSE 5 | S 3 | NE 6 | — |
| kJ | — | 1 | 10 | — | — | — | — | — | 6 | — | 17 | — | — | 61 | 77 | 111 | 96 | 115 | 136 | 9 | 6 | 83 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1 | 105 | 1 | 1 | 4 | 0 | 0 | 0 | 36 | 36 | 0 | 0 | 0 | 0 | 0 | 18 | 4 | 113 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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