Surf Forecasts:
How big are the waves at Grandma's today (26 Aug):
- Morning surf: Morning surf (26 Aug, local time) - 2ft (0.6m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (26 Aug, local time) - 2ft (0.6m), 18s period with S swell.
- Evening surf: Evening surf (26 Aug, local time) - 2ft (0.6m), 19s period with S swell.
The current surf forecast for Grandma's at 5PM is: 0.6m 18s primary swell from a South direction and 0.4m 14s secondary swell from a South-southwest direction (forecast issued at 01:00pm August 26). An open ocean swell of 1.6m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Aug) | 2ft (0.6m) | 14s |
| Afternoon (26 Aug) | 2ft (0.6m) | 18s |
| Evening (26 Aug) | 2ft (0.6m) | 19s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Wed afternoon, min 24°C on Wed night). Wind will be generally light. | |||||||||||||||||||||
Wed 26 | Thursday 27 | Friday 28 | |||||||||||||||||||
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 | S 18 | S 18 | S 19 | S 19 | S 19 | S 18 | S 17 | S 17 | S 17 | S 16 | S 15 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 163 | 160 | 227 | 266 | 361 | 177 | 154 | 593 | 481 | 465 | 322 | 161 | 477 | 477 | 367 | 272 | 260 | 257 | 320 | 153 | 126 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | cross-off | off | off | off | off | off | off | off | off | off | cross-off | off | off |
High Tide | 3:22PM0.77m | 3:37AM0.44m | 3:54PM0.74m | 4:15AM0.48m | 4:24PM0.69m | ||||||||||||||||
Low Tide | 8:15AM0.05m | 9:53PM0.10m | 8:58AM0.06m | 10:17PM0.08m | 9:42AM0.08m | 10:41PM0.06m | |||||||||||||||
 | | |  | | | |  | | | | | | | | | | | | |  | |
 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 25 | 25 | 24 | 24 | 25 | 28 | 28 | 27 | 25 | 25 | 24 | 24 | 25 | 27 | 27 | 27 | 25 | 25 |
Feels °C | 27 | 28 | 26 | 24 | 25 | 25 | 25 | 25 | 30 | 30 | 27 | 25 | 25 | 24 | 25 | 25 | 29 | 28 | 27 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | S 18 | S 18 | S 19 | S 19 | S 19 | S 13 | S 17 | S 17 | S 17 | S 16 | S 15 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 |
| kJ | 163 | 160 | 227 | 266 | 361 | 177 | 123 | 593 | 481 | 465 | 322 | 161 | 477 | 477 | 367 | 272 | 260 | 257 | 320 | 126 | 126 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | S 14 | SSW 14 | S 17 | SSW 13 | SSW 13 | S 18 | N 10 | S 12 | S 12 | SSW 12 | S 16 | N 9 | NNW 9 | S 11 | SSW 11 | NE 6 | S 11 | SW 19 | S 14 | S 14 |
| kJ | 107 | 103 | 62 | 140 | 99 | 98 | 154 | 7 | 73 | 73 | 48 | 127 | 14 | 8 | 37 | 22 | 6 | 35 | 14 | 153 | 102 |
Swell 3 Height (m) Direction Period (s) | ESE 5 | SSW 11 | SSW 12 | SSW 13 | SSW 16 | SSW 16 | SSW 16 | W 10 | N 10 | N 10 | N 5 | S 12 | W 9 | SW 21 | NNE 7 | ESE 5 | SSW 11 | NNE 5 | W 10 | NNW 8 | ESE 5 |
| kJ | 4 | 25 | 44 | 59 | 50 | 87 | 86 | 2 | 7 | 16 | 2 | 71 | 2 | 18 | 5 | 2 | 12 | 2 | 2 | 14 | 6 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 6 | E 5 | E 5 | E 7 | E 5 | E 5 | E 5 | E 5 | E 6 | E 5 | E 5 | E 5 | E 5 | E 5 | NNE 6 | E 5 | E 6 |
| kJ | 130 | 124 | 170 | 166 | 108 | 83 | 52 | 106 | 65 | 71 | 90 | 109 | 75 | 54 | 60 | 57 | 50 | 62 | 7 | 94 | 121 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 4 | 12 | 12 | 12 | 4 | 4 | 12 | 4 | 4 | 12 | 12 | 12 | 4 | 4 | 4 | 4 | 4 | 12 | 12 | 12 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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