Surf Forecasts:
How big are the waves at Grandma's today (22 Oct):
- Morning surf: Morning surf (22 Oct, local time) - 1.5ft (0.4m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (22 Oct, local time) - 1.5ft (0.4m), 14s period with SW swell.
- Evening surf: Evening surf (22 Oct, local time) - 1.5ft (0.4m), 13s period with SW swell.
The current surf forecast for Grandma's at 9PM is: 0.4m 13s primary swell from a Southwest direction (forecast issued at 01:00pm October 22). An open ocean swell of 0.3m 8s is not directed at the surf break, a second open ocean swell of 1.0m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Oct) | 1.5ft (0.4m) | 14s |
| Afternoon (22 Oct) | 1.5ft (0.4m) | 14s |
| Evening (22 Oct) | 1.5ft (0.4m) | 13s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 23°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Thu 22 | Friday 23 | Saturday 24 | |||||||||||||||||||
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) | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 17 | SSW 17 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 52 | 49 | 47 | 46 | 45 | 45 | 44 | 44 | 44 | 45 | 77 | 137 | 142 | 90 | 95 | 101 | 143 | 204 | 218 | 184 | 144 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | off | glassy | glassy | glassy | off | glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | off | cross-off | off |
High Tide | 1:25PM0.60m | 2:13AM0.61m | 2:02PM0.55m | 2:51AM0.69m | 2:40PM0.50m | ||||||||||||||||
Low Tide | 7:34PM0.05m | 7:59AM0.15m | 8:00PM0.02m | 8:53AM0.13m | 8:28PM-0.00m | ||||||||||||||||
 |  | |  | | | | | | | |  | | | | | | | |  | | |
 | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 23 | 24 | 26 | 27 | 25 | 24 | 24 |
Feels °C | 28 | 30 | 28 | 27 | 28 | 28 | 27 | 27 | 28 | 28 | 25 | 24 | 25 | 25 | 24 | 24 | 27 | 28 | 25 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 17 | SSW 17 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 16 |
| kJ | 52 | 49 | 47 | 46 | 45 | 45 | 44 | 44 | 44 | 42 | 77 | 137 | 142 | 90 | 95 | 101 | 143 | 204 | 218 | 184 | 144 |
Swell 2 Height (m) Direction Period (s) | ESE 5 | NNE 6 | NNE 8 | NNE 8 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | SSW 15 | SW 13 | NW 11 | NW 11 | SSW 14 | SSW 13 | SSW 13 | SSW 18 | NW 10 | NNW 14 | S 12 | S 12 |
| kJ | 2 | 3 | 13 | 13 | 22 | 23 | 22 | 22 | 20 | 45 | 25 | 19 | 19 | 37 | 34 | 58 | 63 | 16 | 37 | 73 | 76 |
Swell 3 Height (m) Direction Period (s) | N 6 | S 11 | S 11 | NW 11 | N 8 | N 8 | SSW 16 | SSW 17 | NNE 8 | NW 11 | NW 11 | SSW 12 | SSW 12 | SW 12 | SW 12 | NW 10 | NW 10 | NNW 15 | NW 10 | NNW 13 | NNW 13 |
| kJ | 3 | 9 | 9 | 19 | 5 | 5 | 26 | 29 | 6 | 19 | 19 | 14 | 14 | 24 | 24 | 17 | 17 | 21 | 16 | 59 | 92 |
Wind waves Height (m) Direction Period (s) | E 8 | — | E 8 | E 7 | E 7 | E 4 | E 7 | E 7 | E 8 | — | NNE 3 | NNE 11 | NNE 3 | NNE 3 | NNE 10 | N 3 | NNE 3 | NNE 3 | NNE 4 | NNE 4 | NNE 4 |
| kJ | 133 | — | 89 | 107 | 70 | 20 | 107 | 69 | 71 | — | 2 | 48 | 2 | 2 | 20 | 4 | 3 | 4 | 11 | 13 | 10 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 17 | 16 | 13 | 12 | 12 | 12 | 12 | 12 | 16 | 4 | 12 | 12 | 12 | 12 | 4 | 12 | 4 | 4 | 4 | 12 | 12 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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