Surf Forecasts:
How big are the waves at Grandma's today (13 Nov):
- Morning surf: Morning surf (13 Nov, local time) - 2ft (0.6m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (13 Nov, local time) - 1.5ft (0.5m), 13s period with NW swell.
- Evening surf: Evening surf (13 Nov, local time) - 1.5ft (0.5m), 13s period with NW swell.
The current surf forecast for Grandma's at 12AM is: 0.8m 14s primary swell from a Northwest direction (forecast issued at 07:00pm November 12). An open ocean swell of 0.6m 11s is not directed at the surf break, a second open ocean swell of 1.9m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Nov) | 2ft (0.6m) | 13s |
| Afternoon (13 Nov) | 1.5ft (0.5m) | 13s |
| Evening (13 Nov) | 1.5ft (0.5m) | 13s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sat afternoon, min 23°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Thu 12 | Friday 13 | Saturday 14 | Sun 15 | ||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | NNW 14 | NW 14 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NNW 15 | NNW 17 | E 6 | NNW 16 | NNW 14 | E 6 | E 6 | S 11 | SE 6 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 297 | 241 | 238 | 147 | 138 | 134 | 82 | 82 | 82 | 80 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 6 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | glassy | glassy | off | off | off | off | cross-off | off | glassy | off | off | off | off | off | off |
High Tide | 6:01PM0.26m | 6:45AM0.73m | 7:06PM0.25m | 7:33AM0.71m | 8:25PM0.26m | ||||||||||||||||
Low Tide | 11:00PM0.07m | 2:04PM0.15m | 11:46PM0.11m | 2:58PM0.14m | 00:40AM0.15m | ||||||||||||||||
 |  | | | | | | |  | | |  | | | | | | | | | | |
 | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 |
 | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | 5:45 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 24 | 23 | 23 | 24 | 26 | 26 | 26 | 24 | 24 | 23 | 23 | 24 | 26 | 27 | 26 | 25 | 24 | 24 | 24 |
Feels °C | 23 | 23 | 23 | 22 | 23 | 24 | 28 | 28 | 27 | 24 | 23 | 23 | 23 | 24 | 27 | 27 | 26 | 25 | 23 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | NNW 14 | NW 14 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NNW 15 | NNW 17 | NNW 14 | NNW 16 | NNW 14 | NNW 14 | NNW 13 | NNW 13 | NW 12 | ESE 7 |
| kJ | 357 | 297 | 241 | 238 | 147 | 138 | 134 | 82 | 82 | 82 | 80 | 144 | 414 | 131 | 273 | 186 | 178 | 116 | 98 | 35 | 20 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | NNE 10 | N 10 | NNE 10 | NNW 18 | NNE 10 | NNW 16 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | NNE 6 | NW 12 |
| kJ | 19 | 99 | 89 | 58 | 59 | 59 | 58 | 57 | 34 | 33 | 34 | 180 | 33 | 149 | 9 | 9 | 8 | 9 | 5 | 7 | 34 |
Swell 3 Height (m) Direction Period (s) | N 12 | ESE 8 | ESE 7 | ESE 6 | ESE 8 | S 12 | ESE 6 | SE 6 | SE 6 | NNW 16 | NNW 16 | NNE 10 | SE 6 | NNE 10 | N 10 | N 10 | N 10 | N 8 | S 11 | SE 6 | NNE 8 |
| kJ | 43 | 23 | 21 | 15 | 22 | 12 | 15 | 9 | 9 | 52 | 105 | 33 | 9 | 33 | 30 | 17 | 17 | 10 | 9 | 6 | 19 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 6 | E 6 | E 6 | E 8 | E 8 | E 8 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | NNE 7 | NE 2 | E 7 |
| kJ | 217 | 412 | 374 | 286 | 328 | 24 | 269 | 202 | 290 | 275 | 213 | 139 | 144 | 149 | 160 | 146 | 214 | 165 | 10 | 1 | 328 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 13 | 13 | 12 | 4 | 4 | 12 | 13 | 15 | 15 | 17 | 117 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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