Surf Forecasts:
How big are the waves at Grandma's today (24 Aug):
- Morning surf: Morning surf (24 Aug, local time) - 1.5ft (0.5m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (24 Aug, local time) - 1.5ft (0.5m), 13s period with SSW swell.
- Evening surf: Evening surf (24 Aug, local time) - 1.5ft (0.5m), 13s period with SSW swell.
The current surf forecast for Grandma's at 4PM is: 0.5m 13s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a South-southeast direction (forecast issued at 07:00am August 24). An open ocean swell of 1.9m 7s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Aug) | 1.5ft (0.5m) | 14s |
| Afternoon (24 Aug) | 1.5ft (0.5m) | 13s |
| Evening (24 Aug) | 1.5ft (0.5m) | 13s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon afternoon. Warm (max 29°C on Mon morning, min 24°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||||||||
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) | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 16 | SSW 16 | SSW 16 | S 16 | SSW 16 | SSW 15 | SSW 15 | SSW 18 | SSW 18 | SSW 14 | SSW 14 | S 18 | S 18 | S 19 | S 19 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 138 | 116 | 107 | 102 | 101 | 99 | 98 | 92 | 102 | 147 | 85 | 129 | 142 | 126 | 121 | 120 | 107 | 165 | 165 | 160 | 227 | 266 | 361 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross-on | cross-off | glassy | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 2:13PM0.77m | 2:20AM0.37m | 2:49PM0.78m | 2:59AM0.40m | 3:22PM0.77m | ||||||||||||||||||
Low Tide | 6:44AM0.07m | 9:06PM0.14m | 7:31AM0.05m | 9:30PM0.12m | 8:15AM0.05m | 9:53PM0.10m | |||||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | | | |
 | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 29 | 29 | 29 | 27 | 26 | 26 | 25 | 26 | 28 | 29 | 28 | 26 | 25 | 25 | 24 | 26 | 27 | 28 | 27 | 25 | 25 |
Feels °C | 29 | 30 | 34 | 32 | 33 | 31 | 28 | 28 | 27 | 27 | 29 | 31 | 29 | 27 | 26 | 26 | 24 | 25 | 27 | 29 | 27 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | S 18 | S 18 | S 19 | S 19 |
| kJ | 138 | 116 | 107 | 102 | 101 | 99 | 98 | 92 | 87 | 85 | 85 | 82 | 142 | 126 | 121 | 120 | 84 | 165 | 165 | 160 | 227 | 266 | 361 |
Swell 2 Height (m) Direction Period (s) | SE 7 | ESE 8 | ESE 8 | SSE 12 | SSE 12 | ESE 7 | ESE 7 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | S 16 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 18 | SSW 18 | SSW 14 | SSW 14 | S 17 | SSW 12 |
| kJ | 13 | 24 | 22 | 48 | 47 | 17 | 10 | 90 | 102 | 147 | 85 | 129 | 82 | 82 | 56 | 55 | 55 | 108 | 108 | 115 | 62 | 140 | 46 |
Swell 3 Height (m) Direction Period (s) | SSE 13 | SSE 12 | SSE 12 | ESE 8 | ESE 7 | SSW 18 | SSW 17 | ESE 7 | SSE 12 | SSE 12 | ESE 6 | SE 6 | SE 7 | SE 6 | SSW 18 | SSW 18 | SSW 18 | ESE 5 | SSE 12 | SSW 11 | SSW 12 | SSW 11 | SSW 13 |
| kJ | 32 | 30 | 49 | 11 | 11 | 61 | 59 | 10 | 26 | 47 | 15 | 10 | 8 | 5 | 109 | 107 | 107 | 2 | 13 | 25 | 44 | 41 | 35 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | N 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 5 | E 5 | NNE 4 | E 5 | E 6 | N 5 | NE 3 | E 5 |
| kJ | 430 | 492 | 408 | 327 | 319 | 6 | 252 | 132 | 66 | 127 | 207 | 187 | 169 | 118 | 114 | 7 | 7 | 2 | 109 | 175 | 4 | 4 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 14 | 4 | 4 | 4 | 4 | 12 | 4 | 4 | 4 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 4 | 12 | 12 | 12 |
Best forecast wave conditions in Maui | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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