Surf spot
Grandma's
Forecast conditions and map view for Grandma's in USA, Hawaii, Maui. Open the interactive surf map to inspect wind, waves, and nearby spots.
- Country
- USA, Hawaii, Maui
- Coordinates
- 20.7890, -156.5570
Sat, Jun 13 11:00
Surf spot
Forecast conditions and map view for Grandma's in USA, Hawaii, Maui. Open the interactive surf map to inspect wind, waves, and nearby spots.
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| 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | 12:00 | 15:00 | 18:00 | 21:00 | 00:00 | 03:00 | 06:00 | 09:00 | |
| Wave height (m) | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 |
| Wave direction | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S |
| Wave period (s) | 10.4 | 10.3 | 10 | 13.4 | 16.2 | 17 | 16.9 | 16.4 | 16.3 | 16.1 | 15.7 | 15.3 | 14.7 | 14.1 | 14 | 13.7 | 13.5 | 13.3 | 13.2 | 13 | 12.8 | 12.7 | 12.5 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.5 | 11.4 | 11.3 | 11.3 | 11.3 | 11.2 | 11.3 | 11.3 | 11.3 | 11.3 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.1 | 11 | 10.9 | 10.8 | 10.5 | 10.5 | 10.5 | 10.4 | 10.3 | 10.1 | 9.8 | 9.8 | 9.8 |
| Wave energy (kJ) | 46 | 41 | 35 | 64 | 102 | 133 | 154 | 170 | 179 | 198 | 213 | 231 | 223 | 242 | 251 | 265 | 270 | 262 | 270 | 262 | 256 | 259 | 253 | 247 | 237 | 219 | 216 | 210 | 205 | 203 | 200 | 198 | 196 | 186 | 196 | 196 | 200 | 200 | 201 | 192 | 191 | 187 | 187 | 174 | 163 | 160 | 151 | 127 | 121 | 121 | 112 | 103 | 88 | 75 | 69 | 65 |
| Wind speed (km/h) | 10.2 | 9.2 | 8.9 | 3.2 | 4.8 | 7.3 | 14.1 | 14.7 | 11.4 | 12.2 | 11.4 | 6.5 | 6.8 | 10.6 | 14.9 | 13.4 | 11.9 | 12.4 | 17 | 9.7 | 7.3 | 10.9 | 19.1 | 12.9 | 12.3 | 12.6 | 11.8 | 5.4 | 5.2 | 7.9 | 15.2 | 10.4 | 8.2 | 9 | 6.8 | 10.2 | 3.7 | 4.6 | 13.3 | 11.7 | 10.8 | 11.7 | 6.9 | 6.2 | 3.3 | 4 | 14 | 13.4 | 11.4 | 12.1 | 12 | 3.3 | 6.1 | 2.9 | 17.2 | 15.4 |
| Wind direction | NNEOffshore | NNEOffshore | NNECross-off | WSWGlassy | SEGlassy | NNEOffshore | NOffshore | NNEOffshore | NNEOffshore | NNEOffshore | NNEOffshore | NOffshore | ECross | NNEOffshore | NOffshore | NNEOffshore | NNEOffshore | NNEOffshore | NNECross-off | NOffshore | NOffshore | NOffshore | NNEOffshore | NNEOffshore | NOffshore | NNEOffshore | NNEOffshore | NWCross-off | ENECross-off | NOffshore | NOffshore | NOffshore | NNWOffshore | NNWOffshore | NOffshore | WSWCross-on | WGlassy | NEGlassy | NOffshore | NOffshore | NOffshore | NOffshore | NOffshore | WCross | NNEGlassy | EGlassy | NOffshore | NNEOffshore | NNEOffshore | NNEOffshore | NNEOffshore | WGlassy | SSEOnshore | EGlassy | NOffshore | NOffshore |