Surf Forecasts:
How big are the waves at Grandma's today (10 Jul):
- Morning surf: Morning surf (10 Jul, local time) - 1.5ft (0.5m), 12s period with S swell.
- Afternoon surf: Afternoon surf (10 Jul, local time) - 1.5ft (0.4m), 12s period with SSW swell.
- Evening surf: Evening surf (10 Jul, local time) - 1.5ft (0.4m), 12s period with SSW swell.
The current surf forecast for Grandma's at 9PM is: 0.4m 12s primary swell from a South-southwest direction (forecast issued at 01:00pm July 10). An open ocean swell of 0.4m 4s is not directed at the surf break, a second open ocean swell of 1.6m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Jul) | 1.5ft (0.5m) | 12s |
| Afternoon (10 Jul) | 1.5ft (0.4m) | 12s |
| Evening (10 Jul) | 1.5ft (0.4m) | 12s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri afternoon, min 24°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 10 | Saturday 11 | Sunday 12 | Mon 13 | |||||||||||||||||||||
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) | S 12 | S 12 | SSW 12 | SSW 12 | SSW 12 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SSW 18 | SSW 18 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 71 | 72 | 48 | 48 | 46 | 96 | 131 | 129 | 162 | 155 | 152 | 204 | 204 | 243 | 241 | 230 | 211 | 206 | 203 | 201 | 201 | 198 | 248 | 242 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | off | off | off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 1:28PM0.79m | 1:02AM0.26m | 2:17PM0.85m | 2:04AM0.25m | 3:04PM0.89m | 3:01AM0.26m | ||||||||||||||||||
Low Tide | 8:38PM0.14m | 6:28AM-0.07m | 9:30PM0.10m | 7:20AM-0.08m | 10:15PM0.06m | |||||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — |
 | — | — | 7:10 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | 7:09 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 25 | 25 | 25 | 24 | 25 | 27 | 28 | 28 | 26 | 25 | 25 | 24 | 26 | 27 | 27 | 27 | 24 | 24 | 24 | 24 | 25 |
Feels °C | 28 | 28 | 27 | 25 | 25 | 26 | 25 | 25 | 28 | 30 | 30 | 27 | 26 | 26 | 25 | 27 | 29 | 28 | 27 | 23 | 24 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | SSW 12 | NNE 4 | NNE 6 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SSW 18 | SSW 18 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 |
| kJ | 71 | 72 | 48 | 6 | 11 | 96 | 131 | 129 | 162 | 155 | 152 | 204 | 204 | 243 | 241 | 230 | 211 | 206 | 203 | 201 | 201 | 198 | 248 | 242 |
Swell 2 Height (m) Direction Period (s) | NNE 6 | ESE 7 | SE 6 | SSW 12 | SE 6 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | SE 6 | SE 6 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 7 |
| kJ | 12 | 5 | 5 | 48 | 10 | 16 | 16 | 16 | 9 | 15 | 15 | 9 | 9 | 8 | 17 | 19 | 20 | 20 | 21 | 21 | 20 | 19 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | W 13 | W 15 | W 14 | SE 6 | SSW 12 | S 12 | S 12 | SE 5 | W 14 | S 12 | S 12 | S 11 | NNE 7 | NNE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | W 12 | W 12 | SE 5 | S 11 |
| kJ | 31 | 17 | 37 | 9 | 46 | 43 | 43 | 5 | 36 | 25 | 24 | 23 | 9 | 9 | 8 | 9 | 9 | 8 | 9 | 8 | 12 | 26 | 4 | 22 |
Wind waves Height (m) Direction Period (s) | E 7 | NNE 6 | NNE 4 | E 6 | E 6 | E 6 | E 6 | E 6 | E 5 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 8 | SE 6 | ESE 6 | E 5 | ESE 5 |
| kJ | 212 | 12 | 14 | 170 | 219 | 170 | 139 | 105 | 97 | 112 | 191 | 144 | 154 | 121 | 121 | 165 | 212 | 190 | 124 | 298 | 9 | 14 | 43 | 43 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 4 | 4 | 4 | 12 | 4 | 12 | 12 | 12 | 4 | 4 | 12 | 12 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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