Surf Forecasts:
How big are the waves at Grandma's today (14 Oct):
- Morning surf: Morning surf (14 Oct, local time) - 2ft (0.6m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (14 Oct, local time) - 1.5ft (0.4m), 21s period with SSW swell.
- Evening surf: Evening surf (14 Oct, local time) - 1.5ft (0.4m), 18s period with SW swell.
The current surf forecast for Grandma's at 10PM is: 0.5m 20s primary swell from a South direction and 0.5m 12s secondary swell from a South direction (forecast issued at 01:00pm October 14). An open ocean swell of 0.6m 13s is not directed at the surf break, a second open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Oct) | 2ft (0.6m) | 13s |
| Afternoon (14 Oct) | 1.5ft (0.4m) | 21s |
| Evening (14 Oct) | 1.5ft (0.4m) | 18s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Thu morning, min 24°C on Wed night). Wind will be generally light. | |||||||||||||||||||||
Wed 14 | Thursday 15 | Friday 16 | |||||||||||||||||||
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 13 | SSW 21 | NW 13 | SW 18 | S 20 | S 19 | S 19 | S 19 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 140 | 146 | 138 | 83 | 194 | 190 | 190 | 181 | 107 | 225 | 158 | 156 | 149 | 132 | 132 | 125 | 129 | 121 | 119 | 72 | 68 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | off | cross-off | off | off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 6:09PM0.31m | 7:18AM0.70m | 7:15PM0.28m | 8:16AM0.69m | 8:46PM0.27m | ||||||||||||||||
Low Tide | 1:18PM0.20m | 11:33PM0.09m | 2:28PM0.21m | 00:19AM0.12m | 3:48PM0.20m | ||||||||||||||||
 | | |  |  | | | | |  | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 28 | 27 | 27 | 25 | 25 | 24 | 24 | 25 | 27 | 27 | 27 | 25 | 25 |
Feels °C | 29 | 28 | 26 | 25 | 27 | 28 | 26 | 26 | 30 | 28 | 27 | 25 | 25 | 25 | 25 | 25 | 27 | 28 | 28 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NW 12 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | NNW 13 | NNW 13 | NNW 11 |
| kJ | 140 | 138 | 138 | 113 | 109 | 101 | 98 | 96 | 69 | 225 | 158 | 156 | 149 | 132 | 132 | 125 | 129 | 121 | 98 | 127 | 102 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 19 | S 11 | S 11 | NW 12 | NNW 12 | NNW 12 | NW 11 | NW 11 | S 11 | NNW 11 | NNW 11 | NNW 13 | S 16 | S 15 | S 15 |
| kJ | 98 | 98 | 68 | 68 | 68 | 68 | 190 | 58 | 57 | 69 | 55 | 53 | 31 | 31 | 36 | 48 | 46 | 60 | 119 | 72 | 68 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SSW 21 | SW 18 | SW 18 | S 20 | S 19 | S 12 | S 19 | S 18 | S 11 | S 11 | S 11 | S 11 | S 11 | NW 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 |
| kJ | 78 | 146 | 82 | 83 | 194 | 190 | 67 | 181 | 107 | 37 | 37 | 37 | 37 | 37 | 31 | 35 | 35 | 19 | 19 | 19 | 19 |
Wind waves Height (m) Direction Period (s) | — | NNE 2 | NNE 4 | NNE 4 | E 4 | ESE 5 | E 5 | E 5 | E 5 | E 6 | E 5 | E 5 | E 6 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | SE 6 | ESE 7 |
| kJ | — | 1 | 11 | 6 | 19 | 37 | 36 | 46 | 54 | 72 | 97 | 99 | 72 | 83 | 89 | 108 | 111 | 139 | 185 | 10 | 25 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 4 | 12 | 12 | 4 | 4 | 4 | 4 | 4 | 12 | 12 | 12 | 12 | 4 | 4 | 12 | 4 | 4 | 12 | 12 | 12 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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