Surf Forecasts:
How big are the waves at Grandma's today (17 Oct):
- Afternoon surf: Afternoon surf (17 Oct, local time) - 1.5ft (0.5m), 16s period with S swell.
- Evening surf: Evening surf (17 Oct, local time) - 1.5ft (0.4m), 15s period with S swell.
The current surf forecast for Grandma's at 12AM is: 0.4m 15s primary swell from a South direction (forecast issued at 07:00pm October 16). An open ocean swell of 0.6m 11s is not directed at the surf break, a second open ocean swell of 1.5m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | - | - |
| Afternoon (17 Oct) | 1.5ft (0.5m) | 16s |
| Evening (17 Oct) | 1.5ft (0.4m) | 15s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sun afternoon, min 24°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Fri 16 | Saturday 17 | Sunday 18 | |||||||||||||||||
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) | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | SW 17 | S 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 119 | 72 | 68 | 67 | 66 | 65 | 63 | 60 | 58 | 87 | 85 | 84 | 54 | 84 | 53 | 52 | 28 | 71 | 45 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | cross-off | off | off | off | off | off | off | off | off | off |
High Tide | 8:46PM0.27m | 9:19AM0.67m | 10:14PM0.29m | 10:19AM0.67m | |||||||||||||||
Low Tide | 3:48PM0.20m | 1:16AM0.16m | 4:56PM0.18m | 2:27AM0.18m | 5:41PM0.16m | ||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 25 | 25 | 24 | 25 | 27 | 27 | 27 | 25 | 24 | 24 | 24 | 25 | 27 | 28 | 26 | 25 | 24 |
Feels °C | 28 | 28 | 26 | 26 | 24 | 24 | 26 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 28 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | N 13 | NNW 13 | NNW 11 | NNW 11 | NNW 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 13 | S 13 | N 12 | N 12 | N 11 | N 11 | N 11 |
| kJ | 125 | 92 | 102 | 71 | 70 | 86 | 86 | 85 | 85 | 58 | 58 | 57 | 121 | 84 | 103 | 70 | 66 | 60 | 59 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | N 10 | S 13 | S 13 | S 13 | SW 17 | S 12 |
| kJ | 119 | 72 | 68 | 67 | 66 | 65 | 63 | 60 | 58 | 87 | 85 | 84 | 54 | 33 | 53 | 52 | 28 | 71 | 45 |
Swell 3 Height (m) Direction Period (s) | S 10 | S 10 | SE 6 | SE 6 | SE 6 | SE 5 | S 10 | S 10 | S 10 | SE 6 | SE 6 | SE 6 | SE 6 | NNW 12 | ESE 6 | SE 6 | SE 6 | S 12 | SE 6 |
| kJ | 19 | 19 | 10 | 10 | 9 | 4 | 18 | 18 | 18 | 5 | 5 | 5 | 5 | 52 | 3 | 5 | 5 | 26 | 10 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | 96 | 144 | 170 | 170 | 165 | 112 | 127 | 120 | 158 | 112 | 89 | 121 | 112 | 92 | 112 | 144 | 124 | 176 | 213 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 12 | 4 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 4 | 4 | 12 | 4 | 12 | 4 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Maui | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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