Surf Forecasts:
How big are the waves at Grandma's today (27 Jul):
- Morning surf: Morning surf (27 Jul, local time) - 2.5ft (0.7m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (27 Jul, local time) - 2.5ft (0.7m), 15s period with SSW swell.
- Evening surf: Evening surf (27 Jul, local time) - 2ft (0.6m), 14s period with SSW swell.
The current surf forecast for Grandma's at 10AM is: 0.7m 15s primary swell from a South-southwest direction and 0.2m 10s secondary swell from a South-southeast direction (forecast issued at 07:00am July 27). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Jul) | 2.5ft (0.7m) | 15s |
| Afternoon (27 Jul) | 2.5ft (0.7m) | 15s |
| Evening (27 Jul) | 2ft (0.6m) | 14s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Mon afternoon, min 25°C on Mon morning). Wind will be generally light. | |||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | |||||||||||||||||||||
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 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 13 | S 13 | S 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 246 | 231 | 225 | 222 | 222 | 165 | 163 | 160 | 156 | 147 | 143 | 134 | 147 | 147 | 147 | 145 | 143 | 189 | 147 | 87 | 123 | 166 | 178 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy |
High Tide | 2:36AM0.29m | 3:20PM0.80m | 3:19AM0.31m | 3:55PM0.80m | 3:59AM0.33m | 4:28PM0.78m | |||||||||||||||||
Low Tide | 7:44AM0.01m | 10:20PM0.11m | 8:27AM0.01m | 10:47PM0.10m | 9:07AM0.02m | ||||||||||||||||||
 |  | |  | | | | | | | | | | | |  | | | | | | | | |
 | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:05 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 25 | 27 | 28 | 28 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 24 | 25 | 28 | 29 | 28 | 27 | 26 | 27 | 26 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 29 | 29 | 30 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 13 | S 13 | S 13 | SSW 13 |
| kJ | 246 | 231 | 225 | 222 | 222 | 165 | 163 | 160 | 156 | 147 | 143 | 134 | 147 | 147 | 147 | 145 | 143 | 189 | 147 | 87 | 123 | 166 | 178 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | S 10 | S 10 | S 10 | N 4 | S 10 | SSE 10 | E 14 | E 14 | ENE 13 | ENE 12 | ENE 11 | N 6 | N 6 | NNE 7 | N 7 | N 7 | SSW 15 | NNE 7 | N 7 | SW 19 |
| kJ | 9 | 10 | 10 | 8 | 8 | 8 | 7 | 7 | 10 | 15 | 14 | 17 | 14 | 13 | 12 | 12 | 25 | 16 | 16 | 76 | 10 | 9 | 58 |
Swell 3 Height (m) Direction Period (s) | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | S 10 | E 13 | E 12 | S 10 | S 10 | — | — | — | ENE 11 | ENE 11 | S 10 | E 9 | SW 21 | N 7 | S 16 | SSW 19 | N 7 |
| kJ | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 3 | 3 | 8 | 8 | — | — | — | 12 | 12 | 7 | 2 | 17 | 15 | 43 | 37 | 4 |
Wind waves Height (m) Direction Period (s) | NNE 8 | NNE 7 | NNE 7 | N 7 | N 8 | NNE 3 | — | NNE 7 | NNE 7 | NNE 7 | N 7 | N 4 | N 4 | N 4 | NNW 4 | — | — | SSE 3 | SSE 3 | S 3 | — | SSE 4 | E 8 |
| kJ | 23 | 31 | 18 | 28 | 30 | 8 | — | 18 | 16 | 26 | 24 | 12 | 18 | 10 | 5 | — | — | 2 | 3 | 1 | — | 4 | 291 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 4 | 4 | 12 | 4 | 14 | 15 | 15 | 15 | 15 | 15 | 4 | 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)
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