Surf Forecasts:
How big are the waves at Grandma's today (01 Aug):
- Morning surf: Morning surf (01 Aug, local time) - 1.5ft (0.5m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (01 Aug, local time) - 1.5ft (0.5m), 14s period with SW swell.
- Evening surf: Evening surf (01 Aug, local time) - 1.5ft (0.5m), 14s period with SW swell.
The current surf forecast for Grandma's at 6PM is: 0.5m 14s primary swell from a Southwest direction and 0.5m 6s secondary swell from a Southeast direction (forecast issued at 01:00pm August 01). An open ocean swell of 2.0m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Aug) | 1.5ft (0.5m) | 14s |
| Afternoon (01 Aug) | 1.5ft (0.5m) | 14s |
| Evening (01 Aug) | 1.5ft (0.5m) | 14s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Sat afternoon, min 24°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Sat 1 | Sunday 2 | Monday 3 | |||||||||||||||||||
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 14 | SW 14 | SSW 14 | SSW 14 | SW 14 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 93 | 91 | 91 | 91 | 93 | 97 | 78 | 74 | 50 | 40 | 40 | 62 | 58 | 58 | 42 | 42 | 53 | 50 | 49 | 49 | 49 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | off | off | off | off | off | cross-off | cross-off | off | off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:59PM0.65m | 6:57AM0.45m | 6:30PM0.58m | 7:54AM0.50m | 7:05PM0.50m | ||||||||||||||||
Low Tide | 11:18AM0.11m | 00:34AM0.05m | 12:12PM0.16m | 1:06AM0.04m | 1:17PM0.22m | ||||||||||||||||
 |  | |  |  | | | | |  | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 29 | 29 | 25 | 25 | 24 | 24 | 26 | 28 | 28 | 27 | 25 | 25 | 24 | 24 | 26 | 27 | 27 | 27 | 26 | 25 |
Feels °C | 29 | 29 | 30 | 24 | 25 | 24 | 24 | 26 | 28 | 29 | 27 | 24 | 25 | 25 | 25 | 28 | 30 | 29 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SE 7 | SE 6 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SW 14 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | N 8 | SW 13 | SSW 13 | SSW 12 | N 6 | SSW 12 | SSW 12 |
| kJ | 93 | 23 | 19 | 91 | 93 | 97 | 78 | 74 | 50 | 40 | 40 | 62 | 58 | 58 | 11 | 42 | 53 | 50 | 15 | 49 | 49 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SW 14 | SW 14 | SE 6 | NNE 7 | NNE 7 | SE 6 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | N 8 | SW 13 | NNE 6 | N 7 | SSW 13 | SSW 12 | NNE 6 | N 6 |
| kJ | 16 | 91 | 91 | 9 | 10 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 12 | 42 | 8 | 9 | 16 | 49 | 10 | 6 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 11 | S 11 | S 11 | SE 6 | SE 6 | NNE 7 | SE 5 | SSW 14 | SSW 14 | S 11 | SE 5 | SW 12 | SW 12 | SSW 13 | SSW 13 | SW 13 | S 13 | SSW 13 | SSW 12 | SSE 5 |
| kJ | 42 | 22 | 22 | 22 | 8 | 5 | 9 | 4 | 39 | 19 | 9 | 4 | 40 | 40 | 34 | 33 | 26 | 13 | 16 | 15 | 2 |
Wind waves Height (m) Direction Period (s) | E 8 | E 7 | E 7 | E 8 | E 6 | ENE 2 | E 8 | E 6 | E 5 | E 8 | E 8 | E 5 | E 8 | E 5 | E 5 | E 8 | — | NNE 6 | E 8 | E 12 | E 5 |
| kJ | 388 | 639 | 366 | 439 | 184 | 1 | 305 | 60 | 43 | 364 | 356 | 168 | 317 | 42 | 29 | 173 | — | 13 | 112 | 547 | 37 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 4 | 4 | 12 | 15 | 15 | 12 | 12 | 4 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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