Surf Forecasts:
How big are the waves at Grandma's today (12 Jul):
- Morning surf: Morning surf (12 Jul, local time) - 2ft (0.6m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (12 Jul, local time) - 2ft (0.6m), 16s period with SW swell.
- Evening surf: Evening surf (12 Jul, local time) - 2ft (0.6m), 16s period with SW swell.
The current surf forecast for Grandma's at 10PM is: 0.7m 16s primary swell from a Southwest direction (forecast issued at 01:00pm July 12). An open ocean swell of 0.4m 8s is not directed at the surf break, a second open ocean swell of 1.4m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Jul) | 2ft (0.6m) | 17s |
| Afternoon (12 Jul) | 2ft (0.6m) | 16s |
| Evening (12 Jul) | 2ft (0.6m) | 16s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue afternoon. Warm (max 28°C on Sun afternoon, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 12 | Monday 13 | Tuesday 14 | Wed 15 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | W 16 | SSW 17 | SSW 17 | W 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 211 | 206 | 203 | 201 | 251 | 251 | 248 | 242 | 232 | 223 | 217 | 214 | 167 | 134 | 133 | 129 | 125 | 129 | 129 | 183 | 125 | 195 | 202 | 170 |
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 | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | off | off | off | cross-off | glassy | glassy | glassy |
High Tide | 3:04PM0.89m | 3:01AM0.26m | 3:49PM0.91m | 3:54AM0.28m | 4:33PM0.89m | 4:46AM0.30m | ||||||||||||||||||
Low Tide | 10:15PM0.06m | 8:11AM-0.08m | 10:56PM0.05m | 9:02AM-0.07m | 11:34PM0.03m | |||||||||||||||||||
 | | |  | | | | |  | | | | |  | | | |  |  | | | | | | |
 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — |
 | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | 7:09 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 24 | 24 | 24 | 24 | 25 | 27 | 27 | 27 | 25 | 24 | 24 | 23 | 24 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 |
Feels °C | 28 | 29 | 27 | 23 | 24 | 24 | 24 | 24 | 26 | 27 | 27 | 26 | 25 | 24 | 24 | 25 | 28 | 28 | 27 | 26 | 27 | 26 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SSW 13 | SSW 17 | SSW 17 | W 15 |
| kJ | 211 | 206 | 203 | 201 | 251 | 251 | 248 | 242 | 232 | 223 | 217 | 214 | 167 | 134 | 133 | 129 | 125 | 123 | 123 | 183 | 118 | 195 | 202 | 170 |
Swell 2 Height (m) Direction Period (s) | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | W 18 | W 18 | W 18 | W 18 | W 17 | W 16 | W 16 | W 16 | W 16 | W 16 | W 15 | W 15 | SW 18 |
| kJ | 20 | 20 | 20 | 12 | 20 | 19 | 18 | 18 | 16 | 9 | 9 | 55 | 55 | 97 | 97 | 90 | 83 | 129 | 129 | 129 | 125 | 116 | 116 | 150 |
Swell 3 Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SE 5 | SE 5 | SE 6 | SE 6 | SE 5 | ESE 8 | S 11 | W 19 | N 7 | NNE 7 | N 7 | SW 18 | SW 19 | SW 19 | NNE 7 | NNE 7 | NNE 8 | SW 18 | SW 13 | SW 13 | SW 13 |
| kJ | 5 | 9 | 9 | 4 | 4 | 9 | 8 | 4 | 7 | 9 | 63 | 8 | 9 | 8 | 86 | 94 | 95 | 18 | 18 | 19 | 78 | 82 | 80 | 80 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 8 | E 8 | E 6 | E 6 | E 6 | E 8 | E 8 | E 8 | E 5 | E 8 | E 8 | E 5 | E 4 | E 4 | — | E 8 | E 5 | E 5 | E 5 | E 5 | ESE 5 |
| kJ | 222 | 194 | 151 | 346 | 266 | 164 | 75 | 72 | 298 | 258 | 252 | 67 | 217 | 181 | 21 | 18 | 12 | — | 95 | 60 | 63 | 39 | 51 | 35 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 4 | 4 | 4 | 4 | 12 | 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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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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