Surf Forecasts:
How big are the waves at Mahai'ula Bay today (12 Nov):
- Morning surf: Morning surf (12 Nov, local time) - 3.5ft (1.1m), 16s period with NW swell.
- Afternoon surf: Afternoon surf (12 Nov, local time) - 3.5ft (1.1m), 16s period with NW swell.
- Evening surf: Evening surf (12 Nov, local time) - 3ft (0.9m), 15s period with NW swell.
The current surf forecast for Mahai'ula Bay at 8PM is: 0.9m 15s primary swell from a Northwest direction (forecast issued at 01:00pm November 12). An open ocean swell of 0.3m 13s is not directed at the surf break, a second open ocean swell of 1.3m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Nov) | 3.5ft (1.1m) | 16s |
| Afternoon (12 Nov) | 3.5ft (1.1m) | 16s |
| Evening (12 Nov) | 3ft (0.9m) | 15s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||
Thu 12 | Friday 13 | Saturday 14 | Sun 15 | ||||||||||||||||||||
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 16 | NW 16 | 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 12 | NW 16 | NW 14 | NNW 14 | NW 14 | NW 13 | NW 12 | NW 12 | NW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 619 | 532 | 427 | 355 | 350 | 293 | 289 | 238 | 179 | 140 | 138 | 138 | 108 | 104 | 75 | 73 | 51 | 81 | 99 | 85 | 73 | 52 | 49 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross | cross-off | glassy | cross-off | cross-off | glassy | cross-on | cross-on | glassy | cross-off | glassy | glassy | cross-off | cross-off | glassy | glassy | glassy | cross-off | glassy | glassy | cross-off |
High Tide | 5:11PM0.30m | 6:14AM0.74m | 5:54PM0.28m | 6:58AM0.71m | 7:00PM0.27m | ||||||||||||||||||
Low Tide | 12:57PM0.20m | 10:33PM0.10m | 1:52PM0.21m | 11:05PM0.14m | 2:55PM0.21m | 11:41PM0.19m | |||||||||||||||||
 | | |  | |  | | | | | | | | | | | |  | | | | | | |
 | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 |
 | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | 5:44 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 24 |
Feels °C | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 27 | 28 | 27 | 28 | 27 | 28 | 25 | 24 | 26 | 28 | 29 | 29 | 27 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | NW 16 | NW 16 | NNE 7 | NW 15 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 7 |
| kJ | 619 | 532 | 132 | 355 | 125 | 83 | 70 | 91 | 93 | 93 | 96 | 96 | 88 | 68 | 53 | 50 | 51 | 62 | 57 | 44 | 37 | 75 | 83 |
Swell 2 Height (m) Direction Period (s) | NNE 5 | NNE 6 | NW 15 | S 13 | NW 14 | NW 14 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 14 | NNW 14 | NW 14 | NW 13 | NW 12 | NW 12 | NW 12 |
| kJ | 42 | 78 | 427 | 30 | 350 | 293 | 289 | 238 | 179 | 140 | 138 | 138 | 108 | 104 | 75 | 73 | 51 | 81 | 99 | 85 | 73 | 52 | 49 |
Swell 3 Height (m) Direction Period (s) | S 13 | NNE 8 | S 13 | S 10 | S 13 | S 12 | NNE 8 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | NNE 10 | NNE 10 | NW 16 | NW 12 | NW 12 | S 11 | S 3 | S 4 | S 4 | S 11 |
| kJ | 32 | 14 | 31 | 7 | 28 | 27 | 24 | 27 | 27 | 26 | 26 | 25 | 25 | 18 | 18 | 64 | 37 | 36 | 21 | 1 | 3 | 1 | 21 |
Wind waves Height (m) Direction Period (s) | SSW 10 | SW 10 | W 3 | NNE 7 | S 10 | SW 10 | — | S 10 | SSE 5 | SW 3 | — | — | — | SSE 10 | W 2 | N 7 | — | S 4 | S 2 | SW 3 | WNW 2 | — | — |
| kJ | 19 | 24 | 1 | 158 | 7 | 23 | — | 7 | 5 | 2 | — | — | — | 32 | 1 | 34 | — | 1 | 1 | 2 | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 105 | 105 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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