Surf Forecasts:
How big are the waves at Grandma's today (01 Aug):
- Afternoon surf: Afternoon surf (01 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Evening surf: Evening surf (01 Aug, local time) - 2ft (0.6m), 15s period with SSW swell.
The current surf forecast for Grandma's at 12AM is: 0.6m 15s primary swell from a South-southwest direction and 0.5m 12s secondary swell from a South direction (forecast issued at 07:00pm July 31). An open ocean swell of 0.6m 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) | - | - |
| Afternoon (01 Aug) | 1.5ft (0.5m) | 16s |
| Evening (01 Aug) | 2ft (0.6m) | 15s |
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. | |||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | |||||||||||||||||
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) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SW 15 | SW 14 | 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 |
Wave Graph  | |||||||||||||||||||
 kJ | 158 | 150 | 148 | 146 | 106 | 102 | 93 | 91 | 91 | 91 | 93 | 97 | 78 | 74 | 50 | 41 | 40 | 62 | 58 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 5:29PM0.71m | 6:06AM0.41m | 5:59PM0.65m | 6:57AM0.45m | 6:30PM0.58m | ||||||||||||||
Low Tide | 00:05AM0.06m | 11:18AM0.11m | 00:34AM0.05m | 12:12PM0.16m | |||||||||||||||
 |  |  | | | | | |  | | | | | | |  | | | | |
 | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 26 | 26 | 25 | 25 | 26 | 28 | 29 | 28 | 25 | 25 | 25 | 24 | 26 | 28 | 27 | 27 | 25 | 25 |
Feels °C | 29 | 26 | 25 | 24 | 25 | 26 | 29 | 30 | 28 | 24 | 24 | 25 | 24 | 26 | 28 | 27 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SW 15 | SW 14 | 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 |
| kJ | 158 | 150 | 148 | 146 | 106 | 102 | 93 | 91 | 91 | 91 | 93 | 97 | 78 | 74 | 50 | 41 | 40 | 62 | 58 |
Swell 2 Height (m) Direction Period (s) | S 12 | ESE 7 | S 12 | ESE 7 | SSW 12 | ESE 7 | SE 7 | SE 6 | SE 6 | S 11 | S 11 | SE 6 | SE 5 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 |
| kJ | 75 | 30 | 72 | 20 | 47 | 20 | 24 | 19 | 18 | 22 | 23 | 5 | 7 | 9 | 9 | 9 | 9 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | SE 7 | S 12 | N 8 | S 12 | SE 8 | SSW 12 | S 12 | S 11 | S 11 | NNE 6 | ESE 6 | N 7 | NNE 7 | SE 5 | SSW 14 | SSW 14 | S 11 | S 14 | SW 12 |
| kJ | 14 | 73 | 12 | 72 | 15 | 46 | 24 | 22 | 22 | 8 | 3 | 8 | 9 | 4 | 39 | 19 | 9 | 16 | 40 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | ESE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | SE 6 | NE 3 | ENE 3 | E 9 | E 5 | E 8 | E 8 | E 8 | E 8 | E 6 |
| kJ | 315 | 437 | 42 | 385 | 357 | 524 | 479 | 456 | 374 | 9 | 3 | 1 | 326 | 57 | 364 | 320 | 279 | 360 | 72 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 4 | 12 | 12 | 12 | 12 | 12 | 4 | 4 | 4 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 12 |
Best forecast wave conditions in Maui | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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