Surf Forecasts:
How big are the waves at Grandma's today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 2ft (0.6m), 13s period with S swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 1.5ft (0.5m), 13s period with S swell.
- Evening surf: Evening surf (29 Aug, local time) - 1.5ft (0.5m), 13s period with S swell.
The current surf forecast for Grandma's at 10PM is: 0.4m 17s primary swell from a South-southwest direction and 0.5m 12s secondary swell from a South direction (forecast issued at 01:00pm August 29). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 2ft (0.6m) | 13s |
| Afternoon (29 Aug) | 1.5ft (0.5m) | 13s |
| Evening (29 Aug) | 1.5ft (0.5m) | 13s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sat afternoon, min 24°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | |||||||||||||||||||
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 13 | SW 18 | SW 17 | SW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SW 15 | SSW 15 | SW 15 | SSW 15 | SW 15 | SSW 15 | SSW 14 | SSW 19 | SSW 19 | SSW 19 |
Wave Graph  | |||||||||||||||||||||
 kJ | 117 | 86 | 75 | 70 | 109 | 111 | 108 | 104 | 100 | 95 | 91 | 68 | 91 | 58 | 158 | 109 | 86 | 82 | 115 | 124 | 125 |
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 | off | off | off | off | off | off | off | off | off | off |
High Tide | 4:54PM0.63m | 5:35AM0.57m | 5:24PM0.57m | 6:23AM0.61m | 5:56PM0.49m | ||||||||||||||||
Low Tide | 10:28AM0.10m | 11:08PM0.05m | 11:18AM0.14m | 11:37PM0.05m | 12:15PM0.19m | ||||||||||||||||
 | |  |  | | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 25 | 25 | 24 | 24 | 25 | 27 | 28 | 28 | 26 | 25 | 24 | 24 | 26 | 27 | 28 | 27 | 25 | 25 |
Feels °C | 30 | 29 | 26 | 24 | 26 | 24 | 25 | 26 | 28 | 29 | 28 | 26 | 26 | 25 | 25 | 26 | 27 | 29 | 28 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 12 | S 13 | S 12 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | S 12 | S 12 | S 11 | S 11 | SSW 15 | S 11 | S 11 | S 11 | SSW 19 | S 10 | SSW 19 |
| kJ | 117 | 86 | 75 | 52 | 73 | 111 | 108 | 104 | 100 | 95 | 69 | 68 | 63 | 58 | 158 | 57 | 57 | 56 | 115 | 35 | 125 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | SSW 12 | SSW 17 | S 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | SSW 15 | SW 15 | SSW 15 | SW 15 | S 11 | SW 15 | SSW 15 | SSW 14 | S 11 | SSW 19 | S 10 |
| kJ | 55 | 84 | 55 | 47 | 109 | 45 | 48 | 47 | 48 | 44 | 91 | 58 | 91 | 56 | 58 | 109 | 86 | 82 | 35 | 124 | 33 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 17 | SW 17 | SE 6 | SE 6 | S 12 | S 12 | S 12 | SSW 12 | NNE 7 | N 7 | SE 6 | SSW 16 | NNE 7 | SSW 15 | NNE 7 | NNE 7 | NNE 7 | SSW 14 | NNE 7 |
| kJ | 80 | 78 | 74 | 70 | 10 | 10 | 44 | 44 | 44 | 29 | 9 | 8 | 5 | 53 | 10 | 22 | 10 | 18 | 18 | 38 | 18 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | NNE 6 | ENE 2 | E 6 | E 6 | E 5 | E 5 | E 5 | E 5 | E 6 | E 6 | E 5 | E 5 | NNE 7 | E 5 | E 6 | E 6 | E 6 | E 6 |
| kJ | 154 | 198 | 232 | 6 | 1 | 181 | 105 | 79 | 54 | 90 | 110 | 89 | 89 | 54 | 34 | 20 | 53 | 180 | 116 | 144 | 72 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 4 | 13 | 12 | 4 | 12 | 4 | 4 | 4 | 4 | 4 | 12 | 4 | 4 | 12 | 12 | 12 | 4 | 4 | 12 | 12 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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