Surf Forecasts:
How big are the waves at Grandma's today (19 Oct):
- Morning surf: Morning surf (19 Oct, local time) - 1ft (0.3m), 12s period with S swell.
- Afternoon surf: Afternoon surf (19 Oct, local time) - 1ft (0.3m), 12s period with S swell.
- Evening surf: Evening surf (19 Oct, local time) - 1ft (0.3m), 12s period with S swell.
The current surf forecast for Grandma's at 11AM is: 0.4m 12s primary swell from a South direction (forecast issued at 07:00am October 19). An open ocean swell of 0.4m 6s is not directed at the surf break, a second open ocean swell of 1.7m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 1ft (0.3m) | 12s |
| Afternoon (19 Oct) | 1ft (0.3m) | 12s |
| Evening (19 Oct) | 1ft (0.3m) | 12s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Mon afternoon, min 23°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | |||||||||||||||||||||
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) | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | S 11 | S 11 | SSW 15 | SSW 15 | SSW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 45 | 25 | 44 | 25 | 25 | 25 | 39 | 39 | 39 | 40 | 25 | 9 | 10 | 21 | 22 | 24 | 39 | 39 | 37 | 57 | 55 | 55 | 54 |
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 | off | off | off | off | off | off | off | cross-off | off | glassy | cross-off | off | off | cross-off |
High Tide | 11:14AM0.66m | 00:14AM0.39m | 12:02PM0.65m | 00:57AM0.46m | 12:45PM0.63m | ||||||||||||||||||
Low Tide | 3:44AM0.20m | 6:15PM0.13m | 4:59AM0.20m | 6:42PM0.10m | 6:05AM0.18m | 7:08PM0.07m | |||||||||||||||||
 |  | | | |  | | | |  | | | | | | | | | | | | | | |
 | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | 5:59 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 27 | 28 | 27 | 25 | 25 | 24 | 23 | 25 | 27 | 27 | 27 | 25 | 24 | 23 | 23 | 24 | 26 | 27 | 26 | 25 | 25 |
Feels °C | 25 | 25 | 27 | 28 | 26 | 25 | 26 | 25 | 23 | 24 | 27 | 26 | 26 | 24 | 24 | 24 | 24 | 25 | 28 | 29 | 26 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | N 11 | NNW 11 | SE 6 | SE 6 | SE 5 | SE 6 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | SE 6 | SE 6 | SE 5 | SE 6 | SSW 15 | SE 6 | SE 6 | SE 6 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 57 | 37 | 10 | 9 | 7 | 9 | 10 | 9 | 10 | 10 | 10 | 9 | 10 | 5 | 22 | 9 | 8 | 5 | 37 | 57 | 55 | 55 | 54 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | N 11 | N 11 | NNE 7 | S 12 | SW 16 | SW 16 | SW 16 | NNE 7 | NNE 7 | NNE 7 | N 7 | N 7 | SSW 16 | NNE 7 | SW 16 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | SE 6 |
| kJ | 45 | 25 | 44 | 21 | 21 | 10 | 25 | 39 | 39 | 40 | 10 | 9 | 9 | 3 | 3 | 24 | 9 | 39 | 9 | 9 | 9 | 8 | 5 |
Swell 3 Height (m) Direction Period (s) | SE 6 | NNE 8 | NNW 11 | S 12 | S 12 | S 12 | SW 16 | S 11 | S 11 | S 11 | SSW 16 | S 11 | S 11 | SSW 15 | S 11 | NNE 7 | SW 16 | NNE 7 | ESE 5 | S 12 | S 12 | SE 5 | NNE 6 |
| kJ | 9 | 11 | 22 | 25 | 25 | 25 | 39 | 23 | 21 | 21 | 25 | 9 | 9 | 21 | 9 | 10 | 39 | 10 | 3 | 11 | 11 | 4 | 8 |
Wind waves Height (m) Direction Period (s) | E 7 | SE 6 | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | ESE 5 | ESE 6 | — | E 6 | E 6 | E 6 | SE 6 | E 6 | E 6 | E 6 | E 8 | E 8 | E 8 | E 5 | E 6 |
| kJ | 205 | 9 | 240 | 200 | 165 | 170 | 15 | 15 | 11 | 13 | — | 226 | 190 | 170 | 8 | 149 | 160 | 111 | 217 | 191 | 163 | 54 | 105 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 4 | 4 | 4 | 12 | 13 | 12 | 4 | 4 |
Best forecast wave conditions in Maui | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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