Surf Forecasts:
How big are the waves at Grandma's today (08 Aug):
- Morning surf: Morning surf (08 Aug, local time) - 1.5ft (0.4m), 19s period with SW swell.
- Afternoon surf: Afternoon surf (08 Aug, local time) - 1.5ft (0.4m), 18s period with SW swell.
- Evening surf: Evening surf (08 Aug, local time) - 1.5ft (0.4m), 18s period with SSW swell.
The current surf forecast for Grandma's at 3AM is: 0.4m 19s primary swell from a Southwest direction and 0.4m 13s secondary swell from a Southwest direction (forecast issued at 07:00pm August 07). An open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Aug) | 1.5ft (0.4m) | 19s |
| Afternoon (08 Aug) | 1.5ft (0.4m) | 18s |
| Evening (08 Aug) | 1.5ft (0.4m) | 18s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun afternoon. Warm (max 29°C on Sat morning, min 25°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Fri 7 | Saturday 8 | Sunday 9 | |||||||||||||||||
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) | SW 20 | SW 19 | SW 19 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SW 17 | SW 16 | SSW 18 | SSW 17 | SSW 16 | S 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 99 | 96 | 96 | 96 | 95 | 92 | 85 | 81 | 124 | 123 | 121 | 120 | 170 | 98 | 69 | 102 | 97 | 87 | 131 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | glassy | off | cross-off | cross-off | off |
High Tide | 11:54PM0.27m | 1:09PM0.82m | 1:05AM0.28m | 1:59PM0.86m | |||||||||||||||
Low Tide | 7:41PM0.19m | 5:14AM0.00m | 8:31PM0.14m | 6:15AM-0.01m | 9:11PM0.10m | ||||||||||||||
 |  |  | | |  | | | | | | | | | |  |  |  | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — |
Temp °C | 27 | 27 | 26 | 25 | 25 | 26 | 29 | 29 | 28 | 26 | 26 | 25 | 25 | 26 | 28 | 28 | 28 | 27 | 26 |
Feels °C | 29 | 30 | 29 | 27 | 26 | 27 | 30 | 31 | 28 | 27 | 28 | 27 | 28 | 29 | 31 | 31 | 31 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 19 | SW 18 | SSW 14 | SSW 18 | SSW 18 | SSW 13 | SSW 18 | SSW 17 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 16 | S 16 |
| kJ | 46 | 46 | 46 | 45 | 45 | 92 | 85 | 80 | 124 | 123 | 68 | 120 | 170 | 98 | 67 | 64 | 59 | 87 | 131 |
Swell 2 Height (m) Direction Period (s) | NNE 5 | SW 19 | SW 19 | SW 19 | SW 19 | SW 13 | SW 13 | SW 18 | SW 13 | SW 13 | SSW 18 | SSW 13 | SSW 13 | SW 17 | SW 16 | SW 16 | SSW 17 | SSW 12 | SSW 12 |
| kJ | 4 | 96 | 96 | 96 | 95 | 45 | 44 | 81 | 42 | 42 | 121 | 68 | 98 | 72 | 69 | 67 | 97 | 57 | 57 |
Swell 3 Height (m) Direction Period (s) | SW 20 | N 5 | SE 6 | SE 6 | SE 6 | SSW 15 | SSW 15 | SSW 13 | SSW 14 | SSW 14 | SE 6 | SE 6 | ESE 6 | SSW 18 | SSW 18 | SSW 18 | SE 6 | SW 16 | NNE 5 |
| kJ | 99 | 5 | 9 | 5 | 6 | 42 | 42 | 17 | 40 | 36 | 9 | 10 | 8 | 60 | 60 | 102 | 9 | 40 | 10 |
Wind waves Height (m) Direction Period (s) | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 7 | E 8 | E 8 | E 6 | NNE 6 | NNE 3 | E 6 |
| kJ | 45 | 178 | 98 | 94 | 89 | 74 | 127 | 127 | 110 | 152 | 139 | 120 | 210 | 207 | 212 | 171 | 12 | 3 | 167 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 12 | 12 | 4 | 4 | 4 | 4 | 4 | 4 | 12 | 12 | 4 |
Best forecast wave conditions in Maui | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Grandma's surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest