Surf Forecasts:
How big are the waves at Mahai'ula Bay today (14 Oct):
- Morning surf: Morning surf (14 Oct, local time) - 1.5ft (0.5m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (14 Oct, local time) - 1.5ft (0.5m), 13s period with NW swell.
The current surf forecast for Mahai'ula Bay at 6AM is: 0.5m 14s primary swell from a Northwest direction (forecast issued at 01:00am October 14). An open ocean swell of 0.7m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Oct) | 1.5ft (0.5m) | 13s |
| Afternoon (14 Oct) | 1.5ft (0.5m) | 13s |
| Evening (14 Oct) | - | - |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Wed morning. Warm (max 27°C on Thu morning, min 25°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 14 | Thursday 15 | Friday 16 | ||||||||||||||||||||||
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 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | S 20 | NW 13 | NW 13 | NW 12 | NW 12 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 15 | S 16 | S 16 | S 15 | S 15 | S 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 97 | 92 | 88 | 87 | 85 | 84 | 0 | 83 | 80 | 75 | 72 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | cross | cross-off | glassy | glassy | cross | cross | cross | cross-on | glassy | cross-off | glassy | glassy | glassy | cross-off | glassy | cross | glassy | glassy | glassy |
High Tide | 5:55AM0.74m | 5:19PM0.34m | 6:39AM0.70m | 5:47PM0.30m | 7:34AM0.66m | 6:31PM0.27m | ||||||||||||||||||
Low Tide | 1:04PM0.23m | 11:00PM0.11m | 2:16PM0.26m | 11:28PM0.14m | 4:08PM0.26m | |||||||||||||||||||
 | |  | |  |  |  |  | | | | | | |  | | | | | | | | | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | 3 | 3 | 3 | 1 | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 26 |
Feels °C | 29 | 28 | 28 | 29 | 29 | 28 | 29 | 30 | 28 | 28 | 27 | 30 | 30 | 30 | 30 | 29 | 28 | 28 | 28 | 30 | 30 | 30 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 19 | S 19 | S 19 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | S 16 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 |
| kJ | 138 | 136 | 134 | 134 | 100 | 136 | 100 | 98 | 358 | 266 | 252 | 24 | 37 | 51 | 46 | 192 | 47 | 49 | 40 | 28 | 29 | 40 | 51 | 41 |
Swell 2 Height (m) Direction Period (s) | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NE 9 | S 20 | S 12 | S 11 | S 11 | S 18 | S 18 | S 18 | S 17 | S 11 | S 16 | S 16 | S 11 | S 16 | S 16 | S 15 | S 15 | S 15 |
| kJ | 97 | 92 | 88 | 87 | 85 | 84 | 38 | 190 | 97 | 84 | 82 | 229 | 224 | 294 | 288 | 57 | 249 | 246 | 55 | 125 | 174 | 161 | 155 | 150 |
Swell 3 Height (m) Direction Period (s) | NNE 4 | SW 16 | NE 9 | S 21 | SSW 19 | S 21 | S 20 | NW 13 | NW 13 | NW 12 | NW 12 | S 11 | S 11 | S 11 | S 11 | SW 18 | S 11 | S 11 | S 15 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 8 | 69 | 21 | 136 | 115 | 218 | 202 | 83 | 80 | 75 | 72 | 57 | 58 | 58 | 57 | 78 | 56 | 55 | 115 | 53 | 33 | 33 | 33 | 33 |
Wind waves Height (m) Direction Period (s) | WNW 7 | — | NW 7 | — | — | — | — | SW 7 | — | — | NNE 4 | — | — | — | — | NNE 5 | — | — | — | — | — | — | SSE 4 | SSE 3 |
| kJ | 5 | — | 2 | — | — | — | — | 2 | — | — | 7 | — | — | — | — | 37 | — | — | — | — | — | — | 4 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 97 | 97 | 99 | 99 | 100 | 22 | 0 | 0 | 19 | 1 | 100 | 100 | 105 | 18 | 11 | 100 | 18 | 18 | 24 | 100 | 100 | 4 | 4 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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