Surf Forecasts:
How big are the waves at Grandma's today (14 Jul):
- Afternoon surf: Afternoon surf (14 Jul, local time) - 2.5ft (0.7m), 14s period with SW swell.
- Evening surf: Evening surf (14 Jul, local time) - 2.5ft (0.7m), 13s period with SW swell.
The current surf forecast for Grandma's at 10PM is: 0.7m 13s primary swell from a Southwest direction and 0.5m 16s secondary swell from a West direction (forecast issued at 07:00pm July 14). An open ocean swell of 0.5m 4s 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 (14 Jul) | - | - |
| Afternoon (14 Jul) | 2.5ft (0.7m) | 14s |
| Evening (14 Jul) | 2.5ft (0.7m) | 13s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Wed afternoon. Warm (max 27°C on Thu morning, min 24°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 14 | Wednesday 15 | Thursday 16 | Fri 17 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 14 | SW 13 | W 16 | SSW 17 | SSW 17 | SSW 18 | W 15 | W 15 | W 15 | SSW 15 | SSW 15 | SW 16 | W 15 | W 15 | SSW 16 | SSW 17 | SSW 17 | W 14 | SSW 17 | SSW 17 | W 14 | W 14 | W 14 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 186 | 183 | 125 | 195 | 202 | 204 | 168 | 165 | 163 | 188 | 209 | 251 | 159 | 155 | 173 | 188 | 197 | 106 | 264 | 170 | 109 | 104 | 103 | 82 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross-off | glassy | glassy | glassy | glassy | cross-off | off | cross-off | cross-off | cross-off | glassy | glassy |
High Tide | 4:33PM0.89m | 4:46AM0.30m | 5:15PM0.85m | 5:39AM0.34m | 5:56PM0.78m | 6:35AM0.37m | ||||||||||||||||||
Low Tide | 11:34PM0.03m | 9:52AM-0.04m | 00:10AM0.03m | 10:42AM0.01m | 00:44AM0.03m | 11:35AM0.08m | ||||||||||||||||||
 |  |  | | |  |  |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — |
 | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | 7:08 |
mm | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 24 | 24 | 25 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 27 |
Feels °C | 27 | 27 | 28 | 27 | 27 | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 27 | 30 | 30 | 30 | 28 | 28 | 28 | 27 | 27 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 13 | SSW 13 | SSW 17 | SSW 17 | W 15 | SSW 13 | SSW 13 | SSW 14 | SSW 15 | SSW 15 | SW 16 | W 15 | W 15 | W 14 | W 14 | W 14 | W 14 | SSW 17 | SSW 17 | W 14 | W 14 | W 14 | WNW 14 |
| kJ | 186 | 183 | 116 | 195 | 202 | 170 | 109 | 106 | 133 | 188 | 209 | 251 | 159 | 155 | 153 | 150 | 106 | 106 | 264 | 170 | 104 | 104 | 103 | 66 |
Swell 2 Height (m) Direction Period (s) | W 16 | W 16 | W 16 | SW 13 | W 15 | SSW 18 | W 15 | W 15 | W 15 | W 15 | W 15 | W 15 | SSW 13 | SW 13 | SSW 16 | SSW 17 | SSW 17 | SW 13 | W 14 | W 14 | SSW 17 | SW 12 | SW 12 | SSW 16 |
| kJ | 129 | 129 | 125 | 80 | 116 | 204 | 168 | 165 | 163 | 161 | 161 | 159 | 120 | 84 | 173 | 188 | 197 | 82 | 106 | 106 | 109 | 35 | 35 | 82 |
Swell 3 Height (m) Direction Period (s) | NNE 7 | NNE 8 | SW 18 | W 15 | SW 13 | SW 13 | SSW 18 | SSW 18 | SSW 18 | SW 19 | NNE 8 | NNE 8 | SSW 16 | SSW 16 | SW 13 | SW 13 | SSW 13 | SSW 17 | ESE 6 | SE 6 | SW 11 | SSW 16 | SW 16 | SW 12 |
| kJ | 18 | 19 | 78 | 116 | 80 | 79 | 121 | 120 | 121 | 96 | 12 | 12 | 102 | 100 | 82 | 82 | 65 | 58 | 6 | 8 | 33 | 90 | 65 | 35 |
Wind waves Height (m) Direction Period (s) | — | E 4 | E 4 | E 4 | E 4 | ESE 7 | ESE 7 | S 3 | NNE 8 | NNE 3 | E 5 | E 5 | E 5 | E 5 | E 6 | — | E 6 | E 6 | E 6 | E 6 | E 6 | E 5 | E 6 | N 7 |
| kJ | — | 8 | 8 | 28 | 21 | 43 | 41 | 3 | 11 | 1 | 59 | 52 | 32 | 37 | 91 | — | 116 | 166 | 96 | 125 | 60 | 69 | 74 | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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